Tigercat BAR SAW FELLING HEAD OPERATOR & SERVICE MANUAL - PDF DOWNLOAD

BAR SAW FELLING HEAD

OPERATOR AND SERVICE MANUAL SERIAL NUMBER 51850101 to 51850500 SERIAL NUMBER 51950101 to 51950500

FC5185

ISSUE 3.0, MAY, 2017 Tigercat Industries Inc. P.O. Box 637 Brantford, Ontario Canada N3T 5P9 Tel: (519) 753-2000 Fax: (519) 753-8272

Tigercat Bar Saw Felling Head TABLE OF CONTENTS INTRODUCTION ............................................................................................................................. v NON-APPROVED FIELD PRODUCT CHANGES.......................................................................... vi SAFETY........................................................................................................................................... 1 CONTROLS AND OPERATION ...................................................................................................... 2 LUBRICATION, MAINTENANCE AND SERVICE ........................................................................... 3

Bar Saw Felling Head Available Literature Operator and Service Manual (This Manual), English ......................................................... Part No. 38486A Parts Catalog, 5185 ............................................................................................................. Part No. 38208A Parts Catalog, 5195 ............................................................................................................. Part No. 42438A * Printed Parts Catalogs include Safety section.

Introduction

Tigercat Bar Saw Felling Head

iv

Tigercat Bar Saw Tigercat BarFelling SawHead Felling Head INTRODUCTION

Introduction

A Safety, Operating and Service manual and a Parts catalog are provided by Tigercat to assist the dealer, customer and operator in becoming familiar with the features of the Tigercat Bar Saws serial numbers: FC5185 and FW5185: 51850101 to 51850500 FD5195: 51950101 to 51950500 The Bar Saw Felling Head is designed for harvesting trees, selective felling, thinning and final felling applications in plantations and natural stands.

The Operating and Service manual will assist the operator with the techniques of proper and safe operation of the Bar Saw Felling Head. This manual contains important information regarding the safe operation of the saw head, servicing procedures and a preventive maintenance schedule to assist in repair and to ensure optimum machine performance. Also included are disassembly and assembly instructions. For manual part numbers, see the title page in each manual.

Section 1 contains safety information that must be followed. As well, throughout the rest of the manuals WARNING and CAUTION notices are displayed where necessary, drawing attention to possible hazards when performing certain procedures.

The operator of this equipment must be made aware of the fact that; The safety of the people on the ground i.e., workers or bystanders is the responsibility of the machine operator.

Only trained personnel should be allowed to operate or work on the felling head and machine.

The information contained in this manual is current at time of printing. Improvements to the felling head and machine are on-going and may not be covered, therefore in these cases contact your Tigercat dealer for the appropriate information.

The phrase “and up” appearing in this manual after the serial number implies that the related information is current for any felling head or machine serial number HIGHER than the serial number preceding the “and up”.

Tigercat reserves the right to make changes to the felling head or machine after this manual release date that may not immediately appear in this manual.

Every effort is made to send out updates on a regular basis. If the felling head or machine in question was built after the release date of this manual and there is a discrepancy, call Tigercat service department.

The release date appears on the first page.

The Company reserves the right to change information contained herein at any time without prior notice.

All product or company names that may be mentioned in this publication are trade names, trademarks or registered trademarks of their respective owners.

Tigercat Industries Inc.

v

Introduction

Tigercat Bar Saw Felling Head

NON-APPROVED FIELD PRODUCT CHANGES Changes of any kind made to this Tigercat product could affect the product's ability to perform as originally intended. The product's integrity, stability and safety could be at serious risk.

IT IS Tigercat POLICY THAT NO CHANGES ARE TO BE MADE TO ITS PRODUCTS INCLUDING DELETIONS OR ADDITIONS OTHER THAN A Tigercat APPROVED OPTION FITTED IN THE FACTORY APPROVED MANNER. Official approval to make changes or install options is only as follows: i)

The relevant options for that product must be shown or listed on current Tigercat documentation or literature such as a printed specification sheet, price list, parts manual, or product literature issued by Tigercat.

ii)

Approved options or product changes authorized in writing by the Tigercat Engineering Manager.

AUTHORIZATION BY ANY OTHER PERSON IS UNACCEPTABLE. Unauthorized changes made or contributed to by a person or organization may result in creating a dangerous situation and therefore the person or organization will be considered to have assumed the risk involved or be negligent in creating this situation.

Weight is an important factor when considering the addition of options or an attachment, Refer to your Tigercat distributor for information on maximum permissible operating weight and the effect the addition of various options may have on your machine.

Tigercat will not be held responsible for any situation that may arise resulting from Non-approved Field Product Changes to its product.

Should Tigercat become involved in a suit resulting from changes made to the product without proper authorization by Tigercat as stated above, Tigercat will take whatever action is appropriate to protect its interests.

The product warranty policy and the certification on any safety items installed on the modified product will become NULL and VOID if the above policy is not adhered to as specified.

Non-approved product changes also nullify warranties given to Tigercat by its component manufacturers.

Tigercat Industries Inc.

vi

SAFETY ..............................................................................................................................................................1

Tigercat Bar Saw Felling Head SECTION 1 – SAFETY Read and understand this safety section prior to operating any equipment. Read and understand the machine and felling head manuals.

CONTENTS – SECTION 1

ISSUE 3.0, MAY 2017

BATTERY DISCONNECT SWITCH......................................................................................................... 1.22 BATTERY SAFETY.................................................................................................................................... 1.7 BEFORE STARTING.................................................................................................................................. 1.8 CAB EXITS...............................................................................................................................................1.15 CABLE ASSIST........................................................................................................................................ 1.20 CABLE ASSIST MOUNT...................................................................................................................... 1.20 CABLE TENSION................................................................................................................................. 1.21 DAILY CHECKS.................................................................................................................................... 1.20 LOADING DIRECTIONS....................................................................................................................... 1.21 CHAIN SHOT...........................................................................................................................................1.12 COOLING SYSTEM................................................................................................................................. 1.25 DIESEL EXHAUST FLUID (DEF)............................................................................................................. 1.14 EMERGENCY CAB EXITS....................................................................................................................... 1.15 ER BOOM SYSTEM PRECAUTIONS...................................................................................................... 1.26 EXHAUST FUMES................................................................................................................................... 1.15 FELLING HEAD DON'TS......................................................................................................................... 1.57 FELLING TREES......................................................................................................................................1.12 FIRE PREVENTION................................................................................................................................. 1.34 DRY CHEMICAL CLEANUP PROCEDURES....................................................................................... 1.38 FIRE PREVENTION GUIDELINES....................................................................................................... 1.34 WHAT TO DO AFTER A MACHINE FIRE HAS OCCURRED............................................................... 1.37 WHAT TO DO TO PREPARE FOR A MACHINE FIRE......................................................................... 1.35 WHAT TO DO WHEN A MACHINE FIRE OCCURS............................................................................. 1.36 FLUID INJECTION INJURY..................................................................................................................... 1.29 FLUID LEAKS.......................................................................................................................................... 1.25 GENERAL SAFETY PRECAUTIONS........................................................................................................ 1.3 GREASE INJECTION INJURY................................................................................................................. 1.30 HAZARD ZONE..........................................................................................................................................1.4 LIGHTNING SAFETY AWARENESS....................................................................................................... 1.31 LIQUID STARTING AID............................................................................................................................ 1.15 LOOSE CLOTHING HAZARD.................................................................................................................. 1.25 MACHINE STABILITY AND TRACTION WITH LEVELER................................................................................................................................... 1.18 WITHOUT LEVELER............................................................................................................................ 1.17 PARKING THE MACHINE........................................................................................................................ 1.22 PRESSURIZED HYDRAULIC TANK........................................................................................................ 1.30 PROTECTIVE EQUIPMENT...................................................................................................................... 1.3 REFUELLING...........................................................................................................................................1.14

1.1

Safety

Tigercat Bar Saw Felling Head

SAFETY HAZARDS - OPERATING........................................................................................................... 1.6 SAFETY HAZARDS - VITON SEALS......................................................................................................... 1.6 SAFETY INTERLOCK SWITCH ON FRONT CAB DOOR....................................................................... 1.16 SAFETY LABEL LOCATIONS 5185......................................................................................................................................................1.42 5195......................................................................................................................................................1.44 SAFETY LABELS..................................................................................................................................... 1.39 SAFETY PRECAUTIONS, GENERAL....................................................................................................... 1.3 BACKOVER ACCIDENTS...................................................................................................................... 1.7 HAZARD ZONE...................................................................................................................................... 1.4 VITON SEALS........................................................................................................................................ 1.6 SAFETY PRECAUTIONS, OPERATING.................................................................................................... 1.8 FELLING HEAD CONTACT WITH CAB................................................................................................. 1.9 INTERLOCK SWITCH.......................................................................................................................... 1.16 MACHINE STABILITY AND TRACTION............................................................................................... 1.18 PARKING THE MACHINE.................................................................................................................... 1.22 SEAT.....................................................................................................................................................1.15 SAFETY PRECAUTIONS, SERVICING................................................................................................... 1.23 ER BOOM SYSTEM............................................................................................................................. 1.26 FLUID INJECTION INJURY.................................................................................................................. 1.29 GREASE INJECTION INJURY............................................................................................................. 1.30 LEVELING SYSTEM............................................................................................................................ 1.27 PRIOR TO WELDING........................................................................................................................... 1.24 SAFETY SYMBOLS................................................................................................................................... 1.3 SERVICING SAFETY PRECAUTIONS.................................................................................................... 1.23 SIGNAL WORDS........................................................................................................................................ 1.3 WELDING.................................................................................................................................................1.24 WORKING WITH OIL................................................................................................................................. 1.5

1.2

Tigercat Bar Saw Felling Head

Safety

GENERAL SAFETY PRECAUTIONS

SAFETY SYMBOLS

Remember that safety is a prime responsibility of all.

To minimize the risks and promote safety at all times, this section of the operator’s manual details a number of safety rules which should always be followed and obeyed.

This safety alert symbol means ATTENTION! BECOME ALERT! YOUR SAFETY IS INVOLVED! The safety alert symbol identifies important safety messages on machines, safety signs, in manuals, or elsewhere. When you see this symbol, be alert to the possibility of personal injury or death. Follow the instructions in the safety message.

Always read the operator's manual before operating the machine. Pay close attention to WARNINGS and HAZARD identifications.

UNDERSTANDING SIGNAL WORDS DANGER

Follow all instructions from safety inspector and supervisors.

DANGER indicates an imminently hazardous situation which, if not avoided, will result in death or serious injury.

You must be fully trained to operate this piece of equipment. Know the capabilities and the limitations of the equipment. Learn the most efficient operating techniques.

WARNING WARNING indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury.

CAUTION CAUTION indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate injury.

Do not let untrained persons operate the machine.

Use recommended protective clothing and safety devices such as gloves, safety boots, safety hat, goggles, and ear protection when necessary.

These safety rules highlight both general and specific measures that the operator should be familiar with and adhere to. More specific measures are illustrated with pictograms which may also be attached to the machine in locations pertinent to their respective message. Keep safety labels in good condition. Repair or replace damaged labels.

1.3

Safety

Tigercat Bar Saw Felling Head

KEEP BACK 150 m (500 ft)

The following diagram illustrates the HAZARD ZONE. All personnel should be kept clear of this zone while the harvesting equipment is operating.

Wear a suitable hearing protective device such as earmuffs or earplugs to protect against noise.

Prolonged exposure to loud noise can cause impairment or loss of hearing. This machine exceeds 70 dB(A) in the cab and exceeds 85 dB(A) when servicing machine engine.

The HAZARD ZONE should be considered off limits to all individuals.

Always use the handrails and steps provided when mounting and dismounting from the machine.

Do not jump off the machine at any time.

150 m (500 ft)

Do not try to climb onto or off of a moving machine.

Do not use the seat armrest or joystick as handles when entering or leaving the cab.

150 m (500 ft)

150 m (500 ft)

Do not use the machine foot controls as steps.

150 m (500 ft)

860C-039

HAZARD ZONE

DANGER When mounting or dismounting the machine always use the three point technique; use one hand with two feet or two hands with one foot.

The safety of persons outside the cab is the responsibility of the machine operator.

When approaching an operating machine on foot, stay at least 150 m (500 ft) away until the operator recognizes your presence. Make sure that all harvesting equipment is shut down before advancing to the machine.

WARNING

NOTE: Opening the cab front door will stop machine functions. Opening the cab side door will NOT stop machine functions.

Avoid mounting or dismounting the machine in areas with slippery surfaces.

Dry, deice, clean up or cover slippery surfaces with an anti-slip material before mounting or dismounting the machine.

1.4

Tigercat Bar Saw Felling Head

Safety Do not operate the machine with any defective or inoperable components.

WARNING

Check all fluid levels.

Do not walk on machine surfaces with steel cleated foot wear. Steel cleats on steel surfaces are slippery and do not provide a safe foot hold.

Do not operate the machine with any of the exhaust system, safety covers, oil shields, or other devices removed.

WARNING It is not recommended to walk on machine surfaces that are not designated walking areas.

No attempt should be made to walk on angled steel surfaces or surfaces that are irregular in shape.

Keep a first aid kit in an easily accessible location on the vehicle at all times.

WORKING WITH OIL

Walking surfaces on the machine must be covered with anti-slip materials to provide a safe foot hold and prevent slipping.

Direct contact with oil implies a risk of skin complaints (example: eczema). Strict hygiene should always be observed.

These anti-slip surfaces should be maintained on a regular basis. If the surface shows signs of wear, the anti-slip material must be replaced immediately.

Some advice which should be observed: • Oils used in this machine may be hot enough to cause serious burns.

To reduce risk of fire, machines should be completely cleaned of debris at least daily, particularly around the engine exhaust components. Hydraulic oil leaks, excess grease, fuel and oil accumulation (including spillage) should be eliminated immediately, always shut off engine before cleaning machine.

• Avoid contact with oil, particularly heated oil.

• Oil on the skin should be washed off immediately with soap and water.

• Wear protective gloves. Hands should be clean before putting on gloves. Apply protective cream to the hands to make washing easier.

Maintain a clean cab interior, clear away trash or debris.

• Do not put oily rags in your pockets.

Machine should be washed completely at every major service.

• Soiled clothing should be changed as soon as possible.

Inspect the machine daily for signs of damage or unusual wear to structures.

• Always keep an extra overall handy, but not in the machine where it can become dirty.

Check for fluid leaks or faulty operation. Repair or replace malfunctioning parts and systems immediately.

• Cuts and abrasions must be attended to immediately. Clean them and apply first-aid.

• Avoid breathing in oil fumes.

Check windows and door guards for damage.

• Wash hands and arms frequently (example: at each meal break or as often as possible).

Check protective windows for cracks, a damaged window has reduced strength to stop flying objects. All damaged windows must be replaced with original equipment.

• Oily rags and gloves must be safely discarded after use.

Read, understand and follow all general safety precautions specified by the felling head manufacturer.

Check windows for scratching, crazing and clouding that could impair clear visibility all around the machine.

1.5

Safety

Tigercat Bar Saw Felling Head

SAFETY HAZARDS – VITON SEALS

Approach with extreme caution any area where overhanging electrical power lines are present.

Serious injury or death by electrocution can result if the machine or any of its attachments are not kept a safe distance from these lines.

O-rings and other seals manufactured of Viton material (fluorine rubber) produce a highly corrosive acid (Hydrofluoric) when subjected to temperatures above 315°C (600°F).

Maintain a distance of 3 m (10 ft) between the machine or boom and any power line carrying up to 50,000 volts or less plus 10 mm (½ in.) for each additional 1,000 volts above the 50,000 volt level.

This contamination can have extreme consequences on human tissue since it is almost impossible to remove after contact.

The following procedures are recommended when inspecting equipment that has been subjected to high temperatures such as fire: • Visually inspect any seals or gaskets which have suffered from heat; they will appear black and sticky.

• If these are found, Do Not Touch!

• Determine the material composition of any seals or gaskets. If fluoro-elastomer seals (Viton, fluorel, or tecmoflon) have been used, the affected area must be decontaminated before undertaking further work. Natural rubber and nitrile materials are not hazardous.

If State/Provincial, local or job site regulations require even greater safety distances than stated above, adhere strictly to these regulations for your own protection.

If the machine must be transported, make sure that it is adequately secured to the transporting vehicle. Refer to the appropriate machine VEHICLE MOVING INSTRUCTIONS MANUAL. Stopping the engine immediately after it has been working under load can result in overheating and premature wear of the engine components.

Reduce engine speed to LOW IDLE and let run for approximately five minutes to allow gradual dissipation of heat and also to reduce turbo speed.

This will also prevent loss of coolant by after boil and possible hot spot damage to the engine.

• Disposable heavy duty gloves (neoprene) must be worn and the affected area decontaminated by washing thoroughly with limewater (Calcium Hydroxide solution).

• Any soiled rags and gloves must be safely discarded after use.

NOTE: Burning discarded items is not recommended except in an approved incineration process where the dangerous products are treated by alkaline scrubbing.

SAFETY HAZARDS - OPERATING Maintain a charged fire extinguisher on the vehicle at all times and KNOW HOW TO USE IT. Do not carry passengers either in the cab or anywhere else on the machine. The vehicle is provided and approved with seating for the operator only.

Be aware when performing service and maintenance tasks that surfaces and grab handles in and around the engine and cooling system may become very hot when the engine has been running. Contact with hot surfaces may cause injury.

Comply with instructions in this manual and also your company’s regulations for the operation of this machine.

Read, understand and follow all general safety precautions specified by the felling head manufacturer.

Do not allow anyone who may be unfit, physically or mentally or who may be under the influence of alcohol or drugs, to operate the machine.

When moving the machine, watch that enough clearance is available on both sides and above the machine or any of its attachments. Extra clearance may be required particularly where the ground is uneven.

1.6

WARNING Engine exhaust, some of its constituents, and certain vehicle components contain or emit chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.

Tigercat Bar Saw Felling Head

Safety

WARNING

AVOID INJURY FROM BACKOVER ACCIDENTS

Battery posts, terminals and related accessories contain lead and lead compounds, chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.

Wash hands after handling.

Before moving machine, be sure all persons are clear of the area.

Always be alert for bystanders moving into the work area. Use horn to warn bystanders before moving the machine.

If acid is accidentally splashed into your eyes, flush immediately with clean water and get medical attention.

When using a signal person, keep the person in view at all times. Always be sure the signal person is clear before backing up.

Do not attempt to charge a frozen battery; it can explode.

To avoid backover accidents: • Always look around before you back up. Be sure that everyone is clear.

Disconnect battery before working on electrical systems as follows:

• Keep motion warning alarm in working condition. The motion warning alarm must sound when the machine is moving in forward or reverse.

• Turn off battery disconnect switch in the cab • Disconnect negative starter motor cable from both battery posts

• Use a signal person when backing up if view is obstructed. Always keep the signal person in view.

• Disconnect positive solenoid cable from both battery posts Connect ground terminal last when reconnecting.

• Learn the meaning of all flags, signs and markings on the job site and who is responsible for signalling.

Do not short out battery terminals for any reason.

Serious burns or an explosion can result.

• Keep windows, mirrors and lights in good condition.

CAUTION

• Dust, heavy rain, fog, snow etc. can reduce visibility. As visibility decreases, reduce speed and use proper lighting.

Lead-acid batteries contain sulphuric acid which can severely damage eyes or skin on contact. Always wear a safety face shield, rubber gloves and protective clothing to reduce risk of accidents.

Lead-acid batteries produce flammable and explosive gases. Keep arcs, sparks, open flames and lighted tobacco a safe distance from the batteries.

1.7

Safety

Tigercat Bar Saw Felling Head Always rest the felling head on the ground when operation is stopped, regardless if the engine is running or shut off.

OPERATING SAFETY PRECAUTIONS

WARNING

Read, understand and follow all operating and general safety precautions specified in this manual and the machine manual.

When the engine is running, DO NOT allow anyone in areas of the machine where they may be crushed by moving components.

Maintain a safe operating distance between the machine and other personnel.

Flying chips or other debris can cause serious injury. DO NOT APPROACH THE FELLING HEAD UNLESS THE ENGINE IS TURNED OFF, AND HEAD IS PARKED ON FIRM GROUND.

WARNING

BEFORE STARTING Make a safety inspection of the functions. Look for cracks in the structural parts of the felling head and boom sections, loose bolted joints and excessive play in bearings.

•

Ensure all covers are in place.

•

Be particularly observant to ensure that: • • •

Never operate the boom or felling head over the heads of bystanders.

Use only prearranged and approved signalling practices.

The saw bar is intact and secured.

The saw chain is undamaged and correctly tensioned.

Pre-warming by running the machine is only allowed when the operator is in the cab with no tree in the head!

Check that no other personnel have moved into a hazardous area before starting the machine.

Before leaving the operator's cab, apply the parking brake or swing brake and lower the felling head onto the ground.

Watch for ground hazards such as metal debris, wire fencing or rocks.

Never operate on steep slopes.

When working on slopes, travel straight up or down the slope to prevent roll-over.

Never travel across a steep slope or side hill:

Sound the machine horn before starting the machine.

•

Prior to commencing work, check all equipment controls to ensure that the machine responds correctly.

•

During operation of the felling head, all personnel must REMAIN AT LEAST 150m (500 ft) AWAY and stand on the opposite side of the machine to where chips are being directed from the saw opening.

• •

Be aware of hanging load.

Be particularly observant with the zone in line with the chain saw.

Never allow anyone to stand in front of rotating saw chain.

1.8

If you travel across a moderate slope, never make an uphill turn as this could cause a tipover situation.

To avoid a tip over, keep the felling head as low as possible to maintain a low centre of gravity.

Always be prepared to release the load in case of an emergency.

Do not overload the machine as this can create an unstable condition and cause a rollover.

Tigercat Bar Saw Felling Head

Safety Working with the head in close to the machine:

FELLING HEAD CONTACT WITH CAB The boom of this machine is designed to enable the felling head to be tucked in close to the operator’s cab. This ability maximizes the manoeuvrability of the head to work around standing trees and while thinning in dense stands.

See both the upper and lower sections of Figure 1.

800-01A

•

Increases operator visibility, permitting better placement of the head on the tree and improving awareness of saw bar location and penetration, tree species and areas of rot, splits and crooks.

•

Reduces the potential for damage to both the standing trees and the head and stick boom components.

•

Improves the stability of a machine working on uneven ground as the weight of the boom, head and tree need not be extended as far out in front of the machine.

•

Broadens the working area that can be reached by the boom and thereby lessens the need to reposition the machine as frequently during felling operations.

FIGURE 2. HEAD SWINGING

FIGURE 1. HEAD TUCKED IN CLOSE 1.9

Safety

Tigercat Bar Saw Felling Head

However operators of these machines are advised that working with the felling head in close to the machine also increases the chances of the head making contact with the front area of the cab, particularly if the head is swinging backwards as it dangles from the end of the stick boom. See both the upper and lower sections of Figure 2.

For all machines equipped with a felling head, the following procedures must be followed during the operation of the machine to avoid contact of the head with the cab.

Always keep the head in the upright felling position.

•

Do not tilt the head from the upright felling position to horizontal position as the saw housing may contact the cab.

•

Reduce the speed of boom movement.

Rapid movement could cause the base of the head to swing backwards towards the cab.

•

Avoid any sudden movements with the track drive system as this could cause the head to swing backwards into the cab.

1. Inspect the cab, the front door and the front window immediately to determine if any damage has occurred.

2. Be certain to read, understand and follow the sections in the MACHINE OPERATOR’S MANUAL titled CARE OF POLYCARBONATE WINDOWS IN CAB and INSPECTION AND MAINTENANCE.

1. When nearing the boom positions shown in Figure 1: •

Should contact between the head and the cab occur at any time during the operation of the machine, the following procedure must be completed.

2. Never bring the head in close to the machine while the head is swinging on the end of the stick boom. See Figure 2.

3. Do not use the head to pull downed trees directly towards the cab. If the clamping arms slip on the tree, the head may quickly swing towards the cab.

1.10

Tigercat Bar Saw Felling Head

Safety

FELLING TREES

When backing away from a cut, watch out for obstacles in your path.

Pieces of wood, debris from the ground or a broken saw chain become potentially dangerous missiles when thrown from these machines.

Always travel with felling head as close to the ground as possible, never elevate the felling head unless necessary.

Debris shoots away from the chain saw at very high speed.

Never work alone. Regularly inform other crew members of your intentions, location and length of time to perform duties.

Inspect saw chain, saw bar, sprocket and felling head assembly.

Never use this machine to clear a logging deck on a new tract of timber when the rest of the equipment and operator's are also moving in.

Pre-plan to clear decks in advance before other equipment arrives.

Replace saw bar, sprocket or saw chain if worn or stretched.

Inspect saw bar and sprocket for stress cracks, and alignment.

Never run machine with bent saw bar or damaged/ worn sprocket or chain.

Run chain saw only at recommended cutting speed.

Always rest the felling head on the ground when the operation is stopped, regardless if the engine is running or shut off.

Check that the saw housing area is clear and undamaged.

WARNING

Identify your approach to the tree before making it.

Know where your co-workers are. Make sure that they are always out of harm's way before beginning the cut.

When the engine is running, DO NOT allow anyone in areas of the machine where they may be crushed by moving components.

Work within your operating skills, do not attempt to cut down a tree that is too large for the felling head.

Maintain a safe operating distance between the machine and other personnel, at least 150 m (500 ft) away.

Be alert for dead or decaying trees. Tops can break off while cutting.

Operate so that chips and debris are not directed at people, livestock, houses, buildings, roads or other machines.

WARNING

WARNING Avoid the risk of chain shot. Never operate the felling head so that the saw bar is directly in line with the cab or any personnel

Never operate the boom or felling head over the heads of bystanders.

Use only prearranged and approved signalling practices.

Be particularly observant with the zone in line with the chain saw.

Before leaving the operator's cab, apply the parking brake or swing brake and lower the felling head onto the ground.

Never leave the machine unattended while the engine is running.

When parking the machine;

When making the cut, properly position the felling head in front of the tree.

•

Always know and control the direction the tree will fall to prevent injury to co-workers or damage other vehicles.

Park on level ground only and engage the parking brake or swing brake.

•

Lower the felling head onto level ground.

•

Stop the engine and relieve any hydraulic pressure trapped in the system.

1.11

Safety

Tigercat Bar Saw Felling Head

CHAIN SHOT - LOGGING SAFETY

3. At the peak of the whip, chain parts may break loose and be ejected at high speed, especially if the free end of the saw chain strikes the saw box.

Chain Shot is the high-speed ejection of chain parts that can occur in the event of a derailed or broken chain. While the risk of a chain shot event can't be eliminated, it can be minimized by following some simple operational recommendations.

CHAIN TRAVEL

WARNING There is risk of serious injury or death to machine operators and bystanders from chain shot. Follow the manufacturer's application and maintenance instructions and those provided for the equipment on which the saw chain is used.

575-501

FIGURE 3

WARNING

Generally, chain shot originates near the driven end of the saw, but can also originate from the guide bar tip area. In either situation, it poses the same risk of serious injury or death to the machine operator and any ground personnel nearby.

HOW CHAIN SHOT OCCURS 1. After a chain breaks, the free end of the chain begins to whip away from the break.

CHAIN SHOT HAZARD! It is the operator's responsibility to ensure any bystanders and themselves are not in the plane of the cutting chain.

Orient bar and chain so high velocity parts are thrown away from people and equipment.

Refer to applicable manuals for additional safety information

CHAIN TRAVEL

DRIVE SPROCKET

GUIDE BAR TIP

CHAIN BREAK 575-499

FIGURE 1

2. If the chain is not contained by the saw box or by a chain shot guard, the broken saw chain’s free end can speed up rapidly, carrying immense dynamic energy.

CUTTING PLANE

CHAIN TRAVEL 575-502

CHAIN'S FREE END 575-500

Saw chain pieces usually travel in the cutting plane of the guide bar, but can deviate to either side. Although the 'Shot Cone Zone' reflects the most likely chain shot path, deflection can occur, substantially expanding the distance and area chain pieces may travel.

FIGURE 2

1.12

Tigercat Bar Saw Felling Head

Safety The stay back distance will help reduce the risk of a chain shot injury, but not eliminate it.

The following items should be observed in accordance with the saw manufacturer's recommendations:

575-503

•

Cutting system maintenance.

•

Saw chain maintenance.

•

Clean and dress guide bars on a regular basis.

•

Replace worn drive sprockets.

Do not exceed the manufacturer’s recommendations for chain speed. Cutting systems must be inspected frequently. Dull, damaged saw chains should be immediately removed from service for inspection, repair or replacement. Saw chain loops which have broken twice, must be removed from service.

CAN CHAIN SHOT BE ELIMINATED? In simple terms, no, it can’t. Properly designed chain shot guards and shields reduce the danger of a chain shot from the drive sprocket area.

However, there is currently no known way to place similar guards in the guide bar tip area without significant disruption to the cutting operation.

Because no guarding is currently possible in the guide bar tip area, chain shots can be generated and pose the same risk of serious injury or death as those generated at the drive sprocket area.

Drive sprockets must be aligned with the groove of the guide bar. Ensure the saw chain/guide bar lubrication system is functioning properly for a harvesting/processing head: 0.404-pitch cutting systems should use approximately 7.6 L (2 US gal) of guide bar/chain lubricant or more per eight hour shift in harvesting operations - more when used in processing operations. Three-quarter-pitch cutting systems should use approximately 9.5 L (2.5 US gal) or more per eight hour shift in harvesting applications - more when used in processing operations.

Care should be taken to minimize the exposure of the machine operator and ground personnel to the cutting plane of the cutting system and Shot Cone Zone. Ground personnel should stay back at least 150 m (500 ft) away and outside the Shot Cone Zone of a working harvester.

OPERATIONAL RECOMMENDATIONS 15

0

In general: m

(5

00

ft)

HAZARD ZONE 860C-446

Chain shot projectiles travelling at the speed of a bullet can travel far beyond the above recommended stay back distance.

1.13

•

Never begin a cut with the machine operator and ground personnel in the Shot Cone Zone.

•

Always begin a cut as close to the ground as possible.

•

Always use new and approved parts when assembling and repairing the chain.

•

Maintain the saw chain in agreement with the chain manufacturer’s recommendations.

•

Never force a dull chain to cut. A sharp chain places less wear and tear on the cutting system.

•

Chain should be sharpened or replaced with a sharp chain at least once per operational shift, or more often if damaged.

•

Depth gauges (rakers) must be maintained through the life of a chain.

•

Never exceed your chain manufacturer’s operation recommendations.

Safety

Tigercat Bar Saw Felling Head REFUELLING THE MACHINE

In cold cutting conditions: •

Use a lighter weight lubricant, if possible, doubling the flow rate.

•

Periodically cycle the guide bar without cutting (air cuts), this increases lubricant present on the cutting system.

•

Reduce bar feed force.

S≤15 mg/kg

Conduct proper guide bar maintenance: •

Shut off engine when refuelling - DO NOT fuel the machine while smoking or near flame or ULTRA LOWopen SULFUR FUEL ONLY sparks.

Clean the guide bar groove from bar tip to bar tail and keep the oil hole open.

•

Turn the guide bar over on a daily basis to equalize wear.

•

Cycle the guide bar several times to remove moisture from the guide bar tip.

•

Ensure you maintain proper chain tension, checking it often.

•

During work breaks and at the end of each shift, relieve chain tension to prevent damage to the guide bar tip, saw motor and/or the chain as the chain cools and contracts.

•

Reduce chain speed.

36686AUNI R0

Attach a grounding strap to an unpainted metal surface on the machine if the refuelling tank or nozzle is so equipped.

In simple terms, your felling/harvesting head, when operational, should be treated as if it is two loaded guns (the bar tip and the bar tail) that pose a risk of serious injury or death to the machine operator and ground personnel.

The risk of a chain shot event cannot be eliminated, but the risks can be reduced by following the recommendations provided by your cutting system manufacturer, and the operational recommendations presented here.

41581AUNI R0

Diesel Exhaust Fluid (DEF) may irritate eyes or skin. Do not get in eyes. Do not get on skin.

First Aid treatment: DEF Contains Urea. If swallowed call a Poison Control Centre or doctor immediately. Do not induce vomiting. If in eyes rinse with water for 15 minutes. If on skin rinse well with water. If irritation persists seek medical treatment.

WARNING Use only diesel exhaust fluid (DEF) which meets ISO 22241 specifications. Never fill the DEF tank with any other fluid.

DEF fluid is injected into the exhaust gas stream during normal operation of the Selective Catalytic Reduction (SCR) aftertreatment system.

Use of other fluids may cause component damage, or a fire risk which could result in death or serious injury.

1.14

Tigercat Bar Saw Felling Head

Safety Before moving the machine to the work site, check to ensure that all doors, panels, and access covers are installed properly and secured. There are three ways to exit the cab in case of an emergency.

STARTING THE ENGINE Check that no other personnel have moved into a hazardous area before starting the engine.

Sound the machine horn before starting the engine.

FRONT DOOR

The operator’s seat is equipped with lap and shoulder harness belts. Use both of these restraint systems at all times when operating the machine.

Start the engine according to the instructions in MACHINE OPERATOR'S MANUAL. Refer to OPERATING MACHINE in SECTION 2 of the MACHINE OPERATOR'S MANUAL.

This is also the main point of entry and is the only door that should be used under normal operating conditions to enter or leave the cab. This door is also equipped with a SAFETY INTERLOCK SWITCH. See SAFETY INTERLOCK SWITCH ON FRONT DOOR in THIS SECTION.

SIDE DOOR

Should be used for emergency exits only. Do not use this door to routinely enter or leave the cab.

This door is not equipped with a safety interlock switch and therefore when left open will not deactivate the pilot controls in the cab. ALWAYS SHUT OFF engine before using the side door exit.

Never use a liquid starting aid to start an engine.

This machine is equipped with a computer controlled heating element in the engine intake system. Starting fluids will explode on contact with the heating element.

ESCAPE HATCH

WARNING

This is a third cab exit for use if the side exit or front door exit become blocked.

• EXPLOSION HAZARD.

This hatch is not equipped with a safety interlock switch and therefore when left open will not deactivate the pilot controls in the cab. ALWAYS SHUT OFF engine before using the escape hatch exit.

• DO NOT USE ETHER. • ENGINE EQUIPPED WITH HEATER STARTING AID. • USE OF ETHER COULD RESULT IN DEATH OR SERIOUS INJURY.

It is important that the operator of the machine be familiar with these emergency exits and how to use them.

36782BENG R0

If the engine is running inside a building, ensure that sufficient ventilation is available to prevent a build-up of toxic exhaust fumes. Run the engine only when it is necessary for testing or adjustments.

All operators should practice using all the cab exits to become familiar with escape procedures should they need to perform them in the dark, when the machine is in a rolled position, or other possible adverse conditions.

All three exits should be checked to make sure that they are operational and will function in an emergency. The safety interlock mechanism on the front door or the side door and escape hatch retaining mechanisms must not be tampered with or defeated.

IMPORTANT! Unlock both doors before operating machine to allow opening from the outside in case of an emergency. Make sure that the doors are operational, open the doors twice, once using the exterior latch handle and once using the interior handle.

Work in a ventilated area. If it is necessary to run an engine in an enclosed area, use an exhaust pipe extension to remove toxic exhaust fumes.

If you don't have an exhaust pipe extension, either work outside, or open the shop doors

For additional information, refer to EMERGENCY EXITS in SECTION 2 of the MACHINE OPERATOR'S MANUAL.

1.15

Safety

Tigercat Bar Saw Felling Head

SAFETY INTERLOCK SWITCH ON FRONT DOOR

To operate:

The front door is equipped with a safety interlock switch to prevent the machine from being operated while the front door is open (pilot system is shut off).

INTERLOCK SWITCH

822C-251

ACTUATOR ON DOOR

Close the front door and press the green pilot ON reset switch . The pilot ON icon will be activated (green) on the MD3 display.

Once the safety interlock system has been activated, the safety of both the operator and all persons outside the cab becomes the responsibility of the operator.

WARNING

INTERLOCK SWITCH (FRONT DOOR)

and confirm Push the red PILOT OFF switch the PILOT OFF Icon is activated (yellow) on the computer display before removing seat belt. DO NOT use the front door interlock switch to turn pilot OFF. NOTE: Engine can be started but the machine functions cannot be operated with the door open.

1. When the engine is running, DO NOT allow anyone in areas of the machine where they may be crushed by moving components.

2. Maintain a safe operating distance between the machine and other personnel. Never operate the boom or felling head over the heads of bystanders.

WARNING

3. Never travel near coworkers or other pieces of equipment with the felling head running.

The door safety interlock switch and the pilot reset switch are a safety feature and their function must not be compromised in any way.

4. Do not allow people or other pieces of equipment near the harvesting operation.

5. Do not turn on the felling head until machine is at the harvesting site.

6. Use only prearranged and approved signalling practices.

WARNING

DO NOT open an escape hatch or the cab doors to increase ventilation when operating the machine.

1.16

Tigercat Bar Saw Felling Head

Safety

Keep the cab doors closed when driving or steering the machine to prevent accidental entry of branches and debris into the cab.

Keep the cab doors closed and use the seat belt when driving or steering the machine to prevent being thrown from the operator's cab.

MACHINE STABILITY AND TRACTION MACHINES WITHOUT LEVELER

When working on slopes, travel straight up or down the slope to prevent roll-over.

Never travel across a steep slope or side hill: 1. As a load is added to the felling head the handling and the stability of the machine will change.

Secure loose items in the cab.

Prior to commencing work, check all equipment controls to ensure that the machine responds correctly.

2. To avoid tip over, keep the felling head as low as possible to maintain a low centre of gravity.

Make sure that all safety screens and guards including the skylight are installed and properly secured.

3. Always be prepared to release the load in case of an emergency.

4. Do not overload the machine as this can create an unstable condition and cause a rollover.

Always rest the felling head on the ground when the operation is stopped, regardless if the engine is running or shut off.

Operate the machine only from a seated position in the operator’s seat.

Watch for ground hazards such as metal debris, wire fencing or rocks.

When travelling, position felling head and boom so as not to impair vision.

If vision is limited by dust, smoke, fog, rain or snow, stop the machine until visibility is restored.

If a saw guard has been installed, DO NOT REMOVE until at the cutting site. Remove the guard before starting the engine.

CAUTION Do not open cab doors or window screens when cab is on a slope. The doors and screens are heavy and could swing out with considerable force. Anyone in the path of swing could be injured. Anyone opening the door or screen and holding on to it could be pulled out of the cab and injured.

1.17

Safety

Tigercat Bar Saw Felling Head

MACHINES WITH LEVELER

This machine is designed to operate on rough terrain and slopes commonly found in forestry applications. However, ground conditions vary greatly with changing soil types, slope angles, moisture, snow and ice, rocks, boulders and stumps, and fallen trees. All of these factors affect the machine’s stability against tip-over and traction to resist slipping. This machine may not be capable of operating on some ground conditions, and must be used with caution.

Whenever possible work within the normal working range of the boom system as shown in FIG. 1.

20°

NOTE: In any boom position, both inside and outside of the normal operating range, there is a risk of instability and tipping.

When it is necessary to work outside of the normal working range, be aware that the stability of the machine is reduced. The risk of tipping is increased while operating in the reduced stability working range.

Be aware that the machine is in its least stable position on a slope with the boom to the rear.

16° NORMAL WORKING RANGE OF BOOM SYSTEM

845C-005 845C-004

UPHILL

To minimize the risk of tipping observe the following:

REDUCED STABILITY WORKING RANGE

• Do not attempt to operate this machine on slopes without first receiving proper training.

• Learn the stability limits or “feel” of the machine by first working on gentle slopes and by positioning the boom to reduce the risk of tipping. Gain experience over time by gradually increasing the angle of the slopes on which you are working.

TRACK GEAR BOX AT REAR OF UNDERCARRIAGE 860C-030

FIG. 2 - UNDERCARRIAGE LEVELING ANGLES

• Keep the felling head as close to the ground as possible to increase machine stability, and to allow the boom to be quickly lowered to the ground should the machine begin to tip.

FIG. 1 - WORKING RANGES

All efforts have been made in the design of the machine to reduce the risk of tipping, however it is not possible to eliminate the risk of tipping.

• Always use the low speed setting for the track drives when on slopes.

• Travelling at an angle to the slope other than straight up and down decreases the traction of the tracks. Increasing the angle to the slope away from straight up and down can cause the machine to slide sideways downhill and/or possibly tip over.

1.18

Tigercat Bar Saw Felling Head

Safety

Never travel across a steep slope or side hill.

BOOM TO FRONT

• Always carry any load on the uphill side of the machine.

• Do not lift or move objects that exceed machine stability.

• Always be prepared to release the load in case it causes the machine to tip.

• Always position the cab so that you have a clear view in the direction of travel. Be aware of ground conditions and obstacles in the machine’s path before moving the machine.

KEEP FELLING HEAD CLOSE TO GRADE

• When crossing obstacles (boulders, stumps, ditches etc.) the machine can shift rapidly, greatly affecting the stability of the machine.

Move slowly over obstacles, and position the boom against the ground to reduce the risk of the machine shifting rapidly.

TRACK GEAR BOX AT REAR OF UNDERCARRIAGE 845C-007

FIG. 3 CLIMBING SLOPE

• Backing over obstacles unexpectedly while travelling down a slope poses a tipping risk.

Know the path of the tracks whenever the machine is moved.

• When climbing a slope the boom should face uphill and the felling head should be kept close to the ground (FIG. 3). When descending a slope the boom should face down hill and the felling head should be kept close to the ground (FIG. 4). Be particularly aware of machine stability when changing directions on, or travelling back down a slope.

• As you gain experience, recognize that the maximum slope on which the machine can operate cannot be defined simply by an angle value. Variables in surface terrain, soil types, rocks, boulders, stumps, and fallen trees, changing weather conditions, and first and foremost the operator’s experience and skill levels greatly affect the maximum slope limitations. Be aware that these factors can result in a shallow slope posing greater risk than a relatively steeper slope. DO NOT attempt to work on slopes beyond your personal capability level.

KEEP FELLING HEAD CLOSE TO GROUND

845C-006

1.19

FIG. 4 DESCENDING SLOPE

Safety

Tigercat Bar Saw Felling Head

CABLE ASSIST

CABLE ASSIST MOUNT

The leveler cable assist mount may improve machine maneuverability on steep slopes when attached to a suitable winching device.

Factors that will affect the safety of the machine as it works on steep slopes are:

The cable assist mount can be used with a single or double shackle configuration depending on the winch system. Use only shackles with a pin diameter of 21⁄2 in. and rated for 55,000 KGF (121,000 lbf).

• Direction of machine travel • Limitations of machine tractive effort and soil conditions • Experience of the operator • Weather • Load sizes (boom position and load) • Poor visibility/lighting conditions

DAILY CHECKS

B A

On a daily basis prior to operating the equipment check:

855D-036

Single Shackle Configuration

• All equipment fluid levels.

A Shackle B Cable Assist Mount

• Maintain a clean cab interior, clear away trash or debris.

• Secure loose items in the cab.

• Do not store tools, oil containers or other equipment in the cab.

• Functional check of all escape hatches.

• All covers, roof and doors are closed and latched.

• The cable assist mount for structural cracks and loose or missing bolts.

On a weekly basis check the torque tightening points on the cable assist mount. Make sure the M24 bolts have a torque value of 915 Nm (675 lbf-ft).

855D-037

A

B

Double Shackle Configuration

A Shackle B Cable Assist Mount

For additional information refer to MACHINE STABILITY AND TRACTION – MACHINES WITH LEVELER in THIS SECTION.

WARNING

CAUTION Do not open cab doors or window screens when cab is on a slope. The doors and screens are heavy and could swing out with considerable force. Anyone in the path of swing could be injured. Anyone opening the door or screen and holding on to it could be pulled out of the cab and injured.

The lifting bail on the cable assist mount is for installation of the cable assist mount only. Do not use the lifting bail for anything other than its intended use.

1.20

Tigercat Bar Saw Felling Head

Safety

CABLE TENSION

WARNING

To prevent damaging the cable assist mount and undercarriage the following acceptable maximum continuous cable tensions must not be exceeded.

Always use the proper equipment.

Always inspect the cable and cable assist mount for damage before using. Never use equipment that shows signs of poor maintenance or damage. Repairs should only be made by qualified personnel.

• Maximum continuous cable tension for a single shackle configuration is 18,000 KGF (40,000 lbf).

• Maximum continuous cable tension for a double shackle configuration is 9,000 KGF (20,000 lbf) for each cable.

LOADING DIRECTIONS

To prevent damaging the cable assist mount and undercarriage the following acceptable loading directions must not be exceeded.

855D-038

1.21

Safety

Tigercat Bar Saw Felling Head

WHEN PARKING THE MACHINE Park machine at least 15 m (50 ft) away from other equipment and in a cleared area. In the event of a fire, this distance will minimize the chance of the fire spreading to other equipment.

Before leaving operator's cab, lower the felling head onto the ground.

If out of the operator's cab for an extended period, turn off the engine.

1. Park on level ground only and engage the swing brake.

2. Do not park on a hillside or incline.

3. Lower felling head onto level ground.

4. Turn off the engine.

5. Turn the battery disconnect switch off if the vehicle is to be parked for an extended period of time (example - overnight).

OFF 24863A

ON 24863A R0

NOTE: This machine is equipped with an After Run/Accessory Relay which delays by 90 seconds, the power disconnect to engine related fuses and relays (ECU/ATS relay, NOx Sensor relay, NOx Sensor fuse, ECU Power fuse, DCU fuse). Whenever the engine is stopped all DEF solution is pumped back to tank before the engine power system is turned off. This process takes approximately 90 seconds. Refer to SELECTIVE CATALYTIC REDUCTION SYSTEM in SECTION 3 of the MACHINE MANUAL for more information.

Before transporting the machine check to ensure that all doors, panels and access covers are installed properly and secured. Improperly secured doors or panels pose a serious danger to pedestrians and other vehicles.

During transportation of the machine, ensure there is enough clearance on both sides and above the machine or any of its attachments to avoid contact with power or telephone lines, bridge structures, etc.

1.22

Tigercat Bar Saw Felling Head

Safety It is strictly forbidden to be in front of the saw bar while the engine is running.

SERVICING SAFETY PRECAUTIONS

Changing the saw bar, saw chain, cleaning or lubrication must never be done while the engine is running.

Always use protective gloves when working with saw chain and hydraulic oil.

Carefully inspect condition of the chain saw (bar, sprocket and chain) at the start of every shift and immediately following contact with a rock or other foreign material.

Check for fatigue cracks in the saw bar, sprocket and chain and replace or repair any defective saw components.

Conduct maintenance inspections at least as frequently as recommended in the preventive maintenance schedule in THIS MANUAL.

If a chain repeatedly jumps the guide bar, shut down machine and inspect saw unit and chain tensioning device(s). Repair any problems immediately.

24863A

When servicing or repairing equipment, turn off the engine and remove the ignition key. Turn battery disconnect switch off and lock out the switch in accordance with local regulations. Some machines are equipped with a remotely operated battery disconnect relay. Some wiring on the machine is live even when the battery disconnect switch is off.

When servicing the electrical system, remove the battery cables from the batteries disconnecting the negative cables first.

Follow applicable lock-out procedures. Install a 'DO NOT OPERATE' tag on the cab rear door and in the engine compartment when making repairs to the machine.

Before performing maintenance or repair work on any equipment, consult the manufacturer’s instruction manual and follow recommended procedures.

1.23

Safety

Tigercat Bar Saw Felling Head

Prior to welding on any part of the machine, the machine should be cleaned and a fire extinguisher must be made available at the welding location.

DISCONNECT THE MULTI-PIN PLUG FROM THE XS2 MODULE

Care must be taken in attaching the welding machine grounding clamp so current does not pass through bearings, especially the swing bearing.

Turn off the battery disconnect switch before removing the battery compartment cover.

Remove the negative (–) and positive (+) battery cables from the batteries disconnecting the negative (–) cables first.

Disconnect the ECU (Engine Control Unit).

Due to the sensitive electronics on some machines the following additional precautions must be taken: DISCONNECT THE TWO MULTI-PIN PLUGS FROM THE ENGINE ECU DISCONNECT THE TWO MULTI-PIN CONNECTORS IN THE HARNESS

H845D-018

DISCONNECT 4 PIN ENGINE POWER CONNECTOR H845C-001

CAB FUSE AND RELAY PANEL

Disconnect the multi-pin connector from the XS2 computer module in the cab electrical compartment.

ENGINE ECU DISCONNECT

Disconnect the ECU (Engine Control Unit) by unplugging the four pin engine power connector and the two multi-pin connectors from the left side of the engine.

855D-025

DISCONNECT THE MULTI-PIN PLUGS FROM THE XA2 MODULES

Disconnect the multi-pin connectors from the XA2 computer modules in the battery compartment.

1.24

Tigercat Bar Saw Felling Head

Safety

Never use your bare hand to check for fluid leaks.

WARNING

Diesel fuel or hydraulic oil under pressure can penetrate the skin and cause serious personal injury, blindness, or death. If any oil is injected into the skin, it must be surgically removed within a few hours by a doctor familiar with treating this type of injury.

Explosive release of fluids from pressurized cooling system can cause serious burns.

Shut off the engine. Only remove the coolant filler cap when cool enough to touch with bare hands.

Slowly loosen the cap to the first stop to relieve pressure before removing completely.

Fluid leaks under pressure may not be visible.

When searching for leaks, wear work gloves and use a wrench or piece of wood to move hydraulic hoses. Do not grab hold of hydraulic hoses. Wear safety goggles for eye protection.

Do not change any pressure or relief setting unless Tigercat authorized instruction have been obtained.

Use the proper tool for the job. Repair or replace worn or damaged tools including lifting equipment immediately.

Pressure can be maintained in a hydraulic system long after the power source and pump have been shut down. Lower the felling head to the ground, stop the engine and relieve trapped pressure before performing work on components, or disconnecting any hoses. Accumulators will self drain within two minutes of stopping the engine.

Keep your hands, feet, head, and loose clothing away from power driven parts. Tie long hair behind your head. Remove rings and other jewellery to prevent electrical shorts and entanglement in moving parts.

Always be aware of machine pinch points that could cause injury. Never place body parts within the range of motion of the working parts of the machine.

Never stand under an object supported with hydraulics. Always use safety stands or a locking device.

Dispose of fluids properly. Do not pour fluids into the ground, stream, pond or lake.

Before draining any fluids, know the proper way to dispose of them.

Never stand on the felling head either with the clamping arms open or closed.

1.25

Safety

Tigercat Bar Saw Felling Head

MACHINE MODELS EQUIPPED WITH AN ER BOOM SYSTEM

SWITCHABLE ER BOOM FUNCTION Some machines are equipped with a switchable ER valve to provide ER boom function or non-ER boom function. This function is switched on or off by a button switch and the Computer Controller.

For complete details refer to ER BOOM SYSTEM, SPECIAL OPERATING INSTRUCTIONS in section 2 of the MACHINE OPERATOR'S manual.

WARNING Some machines are equipped with an ER boom system. Because of this, it may behave in an unexpected manner compared to a conventional boom system.

Pay attention to the following when servicing the ER Boom System. Certain hydraulic circuits are inter-connected in order to provide level headtravel and to recirculate hydraulic oil to reduce heat generation and fuel consumption. As a result, disconnecting hydraulic lines from one cylinder may release pressure in a different cylinder at the same time. Before attempting to disconnect hydraulic hoses or perform work on the boom system, ensure that: 1. The machine is parked on level ground with the felling head on the ground (FIG. 1).

2. The stick cylinders are fully extended (FIG. 1) or the hoist cylinder fully retracted (FIG. 2).

3. If the felling head has been removed make sure the tip of the stick boom is supported.

55987BUNI R0

STICK CYLINDERS FULLY EXTENDED

TIP OF STICK BOOM FULLY SUPPORTED 845C-002

FIG.1 - PARKING BOOM

HOIST CYLINDER FULLY RETRACTED

TIP OF STICK BOOM FULLY SUPPORTED 845C-003

FIG.2 - ER BOOM SYSTEM

1.26

Tigercat Bar Saw Felling Head

Safety

Before performing work under the boom system ensure it is firmly supported.

When opening or closing power operated engine door, watch for personnel in door areas.

MACHINE MODELS EQUIPPED WITH A LEVELING SYSTEM

CAUTION Do not open cab doors or window screens when cab is on a slope. The doors and screens are heavy and could swing out with considerable force. Anyone in the path of swing could be injured.

Anyone opening the door or screen and holding on to it could be pulled out of the cab and injured.

Always install support braces in the leveling mechanism while performing service and maintenance tasks. This area is a crush zone.

Keep clear to avoid personal injury or death.

FOR WHEEL FELLER BUNCHERS WARNING

Always install boom lift lock before working on or around machine with boom raised.

•

Always install 'T' handle retainer bolt.

•

Use only to support boom and felling head.

•

Do not use to set hydraulics pressures.

WARNING Always follow felling head manufacturer's instructions and safety warnings before approaching the felling head to make adjustments.

WARNING DO NOT work below or behind a machine that is parked on a grade.

WARNING Failure to follow all of the above instructions could result in serious injury or death from crushing.

1.27

Safety

Tigercat Bar Saw Felling Head

PARKING MACHINE

LOCK BOLT

Before beginning any service work on the felling head, place the machine on level ground, place the felling head on the ground in the position required for the work being done and properly support the boom.

STICK CYLINDERS FULLY EXTENDED

TIP OF STICK BOOM FULLY SUPPORTED

845C-020

PARKING BOOM FIG.5

FD5195-027

LEFT SIDE TILT FRAME UPRIGHT LOCKED POSITION

Always install the tilt lock bolts when servicing the head in an upright position. Tilt locks are also used to position felling head properly for shipping.

Refer to SHIPPING FD5195 USING SHIPPING SUPPORT, RIGGING AND STRAP in SECTION 2 of THIS MANUAL.

FD5195-001

FD5195 SERVICE POSITION

1.28

Tigercat Bar Saw Felling Head

Safety

FLUID INJECTION INJURY

As always the best defence against suffering the effects of fluid injection is to prevent the accident from occurring in the first place.

WARNING

When searching for possible fluid leaks:

Diesel fuel or hydraulic fluid under pressure can penetrate the skin and could result in death or serious injury. If any fluid is injected under the skin, a medical doctor familiar with the treatment of this type of injury must surgically remove it within a few hours.

• Never search for leaks with your bare hands.

Always wear thick protective gloves.

Hydraulic and diesel fuel systems on forestry machines operate at very high pressures, often 207 bar (3000 psi) and above. If a loose connection or a defect in a hose should occur, a fine, high velocity stream of fluid will result. Even for systems pressurized to as little as 7 bar (100 psi), this fluid stream can penetrate human skin as if it were a hypodermic needle.

Initially, an accidental fluid injection beneath the skin may only produce a slight stinging sensation.

There is a danger that you will tend to ignore this, thinking that it will get better with time. Most often, it does not. Within a very short time the wound may begin to throb painfully, indicating that tissue damage has already begun.

Similarly fluid injected directly into a blood vessel can spread rapidly through your circulatory system. The human body has little ability to purge injected fluid.

• Be sure to wear safety goggles for eye protection.

• Keep all body parts well away from the area being investigated for leaks.

• Use the end of a long piece of wood to move hoses or other obstacles.

• Place the end of a long piece of wood in the suspected path of any fluid stream. Never use any part of your body.

Time becomes critical as tissue damage progresses rapidly. The longer you delay getting professional medical attention, the more damage can occur.

• Recognize that the source of the leak and the fluid streaming from it may be very small and not easily visible. You may only be able to see the fluid that accumulates as a result of the fluid stream.

Although fluid injection accidents are rare, the resulting injury has on occasion required the amputation of a finger, a hand or in some cases the entire limb. The longer the delay in getting professional medical aid, the further up the limb the tissue damage can spread. An injury of this type can become very serious or even fatal if not dealt with promptly and properly.

When performing any service work: • Stop the engine and relieve all diesel fuel or hydraulic pressure before disconnecting any lines or otherwise working on the system.

• Never grab any hydraulic or diesel fuel connectors or hoses when they are subjected to pressure.

In the event of any suspected fluid injection injury: • Report the injury to your supervisor immediately.

• Always ensure that hoses are rated for the pressures to which they will be subjected.

• Seek professional medical attention immediately.

• Never use any hoses that you suspect could be defective.

1.29

Safety

Tigercat Bar Saw Felling Head

GREASE INJECTION INJURY WHEN USING PNEUMATIC GREASE GUNS

The radiator and the engine cooling system should be cleaned and serviced daily to maintain moderate engine temperatures.

Pneumatic grease guns can deliver grease at pressures from 17 – 400 bar (246 – 5801 psi).

It takes less than 7 bar (100 psi) to inject a substance through human skin.

WARNING

ALWAYS get professional medical treatment immediately after any type of injection injury.

Provide the physician with information on the type of grease, the pressure setting of the gun, and similar details.

The amount of fluid injected, type of fluid (or material), pressure at which it was injected and the elapsed time between injection and seeking medical attention all influence the chances of successful treatment for this type of serious injury.

Hot fluids and hot machine surfaces can cause serious burns!

• Before servicing the machine, allow the engine cooling system, fuel system, exhaust system, hydraulic system and machine surfaces to cool down.

Prior to using a high pressure pneumatic grease gun perform the following: • All operators of high pressure pneumatic grease guns MUST be trained in the hazards of its operations and the treatment for such injuries.

• Use a thermometer to check surface and system temperatures to ensure it is safe to begin service work.

• Do not begin service work until the surface or system temperature has cooled down to below 38°C (100°F)!

• DO NOT OPERATE a high pressure pneumatic grease gun unless you have been trained in the proper operation and are aware of all safety precautions of such a tool.

IMPORTANT!

PRESSURIZED HYDRAULIC TANK

• Wear protective clothing such as gloves, safety hat and safety glasses.

34.5 kPa (5 psi) MAXIMUM. Before servicing hydraulic system, wearing eye protection, release air pressure from tank using air vent valve.

• Inspect all parts of the grease gun for wear and tear and replace all worn or damaged parts.

• Ensure that protective shrouds are installed on all grease gun nozzles as safety devices.

• Remove dirt and grease from grease fittings prior to greasing.

• Replace any defective grease fittings on equipment with new fittings immediately.

• When badly positioned fittings are identified, replace them with angled or swivel fittings for easier access.

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After service is completed, close air vent valve and add air pressure from a clean air source to the hydraulic tank via the Schrader valve. Do not exceed 34.5 kPa (5 psi). Refer to HYDRAULIC TANK PRESSURIZATION INSTRUCTIONS in the MACHINE MANUAL for details.

Tigercat Bar Saw Felling Head

Safety LIGHTNING SAFETY

LIGHTNING SAFETY AWARENESS WHAT IS A LIGHTNING STRIKE? Lightning is a discharge of the electricity produced by a thunderstorm. As the thunderstorm develops, many small particles of ice within the storm clouds bump together. These collisions create a positive charge at the top of a cloud and a negative charge at the bottom. As this continues a second positive charge builds up on the ground beneath the cloud, concentrated around high objects such as hills, trees, buildings, equipment and even people.

When the difference between the electrical charge in the cloud and on the ground becomes great enough to overcome the resistance of the insulating air between them, an electrical current flows instantly. This is a lightning strike.

In spite of the popular myth that being struck by lightning is an unlikely event, the facts show that lightning strikes occur frequently. As a result loggers are at high risk because their work is outdoors and close to known strike points such as tall trees and heavy equipment.

Loggers can increase their chances of avoiding a lightning strike by following a few simple safety practices.

1. Designate a member of your crew to: ▪▪ Monitor daily weather forecasts ▪▪ Observe local weather conditions ▪▪ Alert all other members of the crew when a possible lightning threat develops 2. Don’t start or continue any work that cannot be stopped immediately, when a storm moves nearby.

The electrical potential in a lightning strike can be as much as 100 million volts. Lightning strikes can occur over very large distances, even as much as 60 km (37 miles). Lightning travels both in front of and behind a thunderstorm and so strikes happen even when rain has not started or has stopped.

Lightning can hit in the same place, many times and often spreads out over 18 m (60 feet) within the soil around the strike point.

3. Anticipate a high-risk situation and take action early by moving to a low-risk location. Do not hesitate. If there is lightning, you are in danger.

4. Obey the rule - If you see lightning, Flee. If you hear thunder, Clear.

Thunder always accompanies lightning. When lightning occurs, the air through which it travels is instantaneously heated to a temperature more than 28,000°C (50,000°F). The air expands rapidly due to this heating, then quickly contracts as it cools. It is this contracting shock wave that we hear as thunder.

In many areas of the world, lightning strikes are second only to flooding as the greatest cause of storm related deaths and injuries. Although only 10% of lightning strike victims are killed, virtually all from cardiac or respiratory arrest, over 70% of those that survive suffer severe, life-long injury and disability. The symptoms of a lightning strike include memory loss, fatigue, chronic pain, dizziness, sleeping difficulty and the inability to complete several tasks at one time.

5. Do not follow the now obsolete guideline to take shelter when the time between seeing lightning and hearing thunder is 30 seconds or less. This does not provide sufficient time to ensure safety. Always follow step 4.

6. Remain in your safe location for 30 minutes after the last sight of lightning or the last sound of thunder.

The safest location during lightning activity is inside a fully enclosed, substantially constructed building, a house, office, school, shopping area, etc. These are the safest because of the electrical wiring and plumbing that they contain. Should lightning strike, the electrical current will travel through the wiring or plumbing into the ground.

When such a building is nearby, always seek shelter there first.

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Tigercat Bar Saw Felling Head

Unfortunately loggers do not often work close to buildings and therefore other alternatives need to be considered.

WHAT TO DO IF YOU ARE OUTSIDE AND SEE LIGHTNING OR HEAR THUNDER

Sheds, weather shelters, hunting blinds, tents and other partially open or small structures are not safe against lightning strikes as they lack the electrically grounded components of larger buildings. They are intended for sun or rain protection only. Do not seek shelter from lightning strikes inside these structures.

If you can, get inside: Run to the nearest building, motor vehicle or fully enclosed ROPS equipment cab immediately.

Being anywhere outside is not safe.

The second safest location during lightning activity is inside a fully enclosed car, van, truck or bus with a metal roof and metal sides. The electrical energy of a lightning strike to these vehicles is carried to ground by the conducting outer metal surfaces.

This is called the skin effect.

Do not seek safety from lightning strikes in vehicles with fiberglass or plastic body shells or in convertible top vehicles. None of these are safe, as they do not offer skin effect lightning protection.

Heavy forestry equipment such as a skidder, loader, feller buncher, forwarder, etc. with a fully enclosed rollover protective structure (ROPS) cab take advantage of the skin effect and are therefore safe in electrical storms.

However machines with a rollover canopy only are not safe against lightning strikes as they are open to electrically conductive rainwater and do not benefit from the skin effect. Operators of this equipment must abandon their machines and get to a safer location before lightning strikes.

If inside a building: • Don’t watch the lightning storm from open windows or doorways. Stay in inner rooms.

• Stay well away from corded telephones, electrical appliances, lighting fixtures, radio microphones, electrical sockets and plumbing pipes and fixtures.

If inside a motor vehicle or fully enclosed ROPS equipment cab: • Under no circumstances whatsoever step outside of the vehicle or off the equipment to move to another shelter. Very dangerous electrical pathways to ground may go through you.

• Shut down all operation, turn off the engine, close all doors and raise all windows.

• Sit squarely in the seat with your hands in your lap and your feet flat on the floor mat.

• Do not touch any metallic objects referenced to the outside of the vehicle. Do not touch any door and window handles, control levers, foot pedals, steering wheels, cab interior walls and any other inside to outside metal objects.

Note that the rubber tires on motor vehicles and heavy equipment do not increase safety from lightning strikes. Lightning has already travelled a great distance through the air to strike the vehicle.

In comparison a few inches of rubber in a tire offers absolutely no additional insulation.

• Do not touch any radio or telephone connected to an outside antenna.

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Tigercat Bar Saw Felling Head

Safety WHAT TO DO IF YOU FEEL YOUR SKIN TINGLING, YOUR HAIR STANDS ON END, LIGHT METAL OBJECTS VIBRATE OR YOU HEAR A CRACKLING SOUND:

If you are caught outside and have nowhere to go: • Avoid wide-open areas where you project above the surrounding landscape.

• Seek shelter in a low place, such as a ditch, ravine, valley, canyon or cave.

• Lightning is probably about to strike. You only have a few seconds to act.

• Get away from open water such as ponds or streams.

• Put your feet together. Crouch down like in a baseball catcher’s position. Hold your head down. Cover your ears to protect them against the noise of the thunder.

• Do not take shelter under any isolated tall trees or small groups of trees.

• Seek shelter amongst the dense, thick growth of the shortest trees.

• Do not lie flat on the ground. By touching as little of the ground as possible, the lightning may not move across the ground to you.

• Avoid entering any small enclosures or shelters.

WHAT TO DO IF A CO-WORKER HAS BEEN STRUCK BY LIGHTNING:

• Do not seek shelter under any motor vehicle or heavy equipment.

• The victim does not carry any electrical charge. There is no danger to anyone helping this person. You can touch him or her immediately.

• Keep clear of any materials that can conduct electricity such as wire fences and gates, metal pipes, poles, rails and tools.

• Stay at least 15m (50 feet) away from metal objects such as a fuel tank, a vehicle or machinery without a cab, motorcycle, ATV, etc.

• Stay at least 5m (16 feet) apart from any other members of a group so that lightning won’t travel between you.

• Do not use the telephone except for emergencies.

• Call your local emergency response telephone number immediately.

• If the victim has no pulse, their heart has stopped or they have stopped breathing, start cardiopulmonary resuscitation (CPR) or mouth –to-mouth resuscitation immediately. Use a portable defibrillator if one is available.

• Be careful about staying in the storm to take care of the victim. You can get hit by lightning too. If you can, move the victim to a building as soon as possible.

• To further increase your awareness about lightning safety, see the following web sites: ▪▪ National Weather Service Lightning Safety http://www.lightningsafety.noaa.gov ▪▪ National Lightning Safety Institute http://www.lightningsafety.com

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Safety

Tigercat Bar Saw Felling Head 3. Blow off all forest debris and fine organic material accumulated near hot engine exhaust components (turbocharger and exhaust manifold as well as exhaust pipes and muffler) at the completion of each work shift or more frequently when working in logging conditions where large amounts of combustible forest debris are present.

Visual inspection after blow off to ensure thorough cleanliness is vital. Engine exhaust systems provide numerous small pockets where saw dust, small wood chips and other flammable forest debris can gather. Even small accumulations close to hot exhaust components can ignite and smoulder. If dislodged this smouldering debris can fall into other areas of the machine and thereby spread a fire.

FIRE PREVENTION

When working in a forest environment, it is impossible to prevent combustible debris from collecting in tight corners of the machine. This debris, in itself, may cause a fire; however, when mixed with fuel, oil or grease in a hot or confined place, the danger of fire is greatly increased.

4. Clean out all accumulated forest debris (twigs, pine needles, branches, bark, leaves, saw dust, small wood chips) and any other combustible materials from inside the machine belly pans or lower machine structures as well as from areas in proximity to the engine, fuel and hydraulic oil systems no less frequently than at the completion of each work shift.

The following fire prevention guidelines should be used to supplement the operator’s fire prevention efforts. In no case should the guidelines be used, or assumed, as replacements for diligent operator efforts at preventing fires.

The following guidelines will help to keep your equipment up and running efficiently and keep the risk of fire to a minimum.

1. Maintain a CHARGED fire extinguisher on the machine at all times and KNOW HOW TO USE IT. 2. Remove debris and blow out dust regularly from the air intake doors, engine radiator and charge air cooler, hydraulic oil cooler, diesel fuel cooler and air conditioning condenser core to prevent overheating of the engine and hydraulics and to maintain efficient operation of the machine. Refer to CLEANING A/C CONDENSER, OIL COOLER AND RADIATOR in SECTION 2 of the MACHINE OPERATOR’S MANUAL.

5. Inspect the machine regularly for any signs of diesel fuel or hydraulic system leakage.

Check for worn or eroded fuel or hydraulic lines before starting up any equipment.

6. Clean up any grease, diesel fuel, hydraulic and lubricating oil accumulation and spillage immediately.

7. Steam clean the engine, hydraulic pumps, transmission, brake, fuel and hydraulic tank compartments and all machine belly pans at least once a month or more frequently when working in logging conditions where large amounts of combustible forest debris are present.

8. Use only non-flammable solutions for cleaning the machine and components.

9. Inspect the exhaust system daily for any signs of leakage. Check for worn, cracked, broken or damaged pipes or muffler. Also check for missing or damaged bolts or clamps.

Should any exhaust leaks or defective parts be found, repairs must be made immediately.

Engine exhaust leaks can cause fires. Do not operate the machine until the exhaust leak is repaired.

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10. During daily operation of the machine, the occurrence of exhaust leaks are usually accompanied by a change or increase in engine exhaust noise levels. These audible warnings cannot be ignored. Should any exhaust leaks occur during operation, the machine must be shut down immediately and not put back to work until the necessary repairs have been completed.

17. AFTER transporting (trucking) a machine from one job site to the next, open all doors and access panels and blow off any debris that may have repositioned itself onto the engine and exhaust parts due to wind turbulence caused by the journey.

18. Before starting repair work, such as welding, the surrounding area should be cleaned and a fire extinguisher should be close by.

11. Park the machine at least 15 METERS (50 feet) away from other equipment at the end of each shift.

19. Store rags and other combustible materials in a safe, fireproof location.

20. Do not use the machine on top of or to push piles of burning timber. A machine fire will most probably result.

12. Never leave the machine parked with boom, arch or blade suspended off the ground. Should their supporting hydraulic hoses burn through during a fire, pressurized hydraulic oil may be injected into the fire and the boom, arch or blade will fall rapidly to the ground.

EQUIPMENT FIRES ADVERSELY EFFECT YOUR ABILITY TO LOG, MAY INCREASE YOUR INSURANCE PREMIUMS DRAMATICALLY OR PREVENT YOU FROM OBTAINING INSURANCE COVERAGE AT ALL.

13. Turn the battery disconnect switch to OFF at shut down to de-energize all electrical circuits.

WHAT TO DO TO PREPARE FOR A MACHINE FIRE • Prevent the fire from happening in the first place by ensuring that all machine systems are frequently inspected and always well maintained.

14. Remain with the machine for at least 45 minutes at the end of operations while the machine cools.

• Ensure that any hand held fire extinguishers are charged and in working order. Fire extinguishers require routine care. Follow the manufacturer’s instructions for inspection and maintenance shown on the label of the fire extinguisher and in the extinguisher manufacturer's manual.

• Ensure that any pressurized water systems on the machine (if applicable) are charged and in working order. Refer to PRESSURIZED WATER SYSTEM MAINTENANCE in SECTION 3 of the MACHINE MANUAL. • Ensure that you have the proper fire extinguishers on site. Most fires involving mobile forestry equipment will be Class A or B. 15. Remove all keys, lock equipment and fuel cap at the end of operations to reduce the risk of vandalism.

16. Be cautious when smoking. An open flame, a lighted cigarette, etc., should not be permitted around any vehicle, especially during refuelling operations or when the fuel system is open to the atmosphere or when servicing batteries.

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Dry chemical extinguishers should be rated ABC and pressurized water extinguishers should be rated A.

• Ensure that after you have received the training as outlined above, that you know how to use the fire extinguisher, the pressurized water system (if applicable) and the fire suppression system** on your machine.

There is not enough time available to read instructions during a fire emergency.

Class A fires involve ordinary combustibles such as wood, cloth, paper, rubber and many plastics, Class B fires occur with flammable liquids such as diesel fuel, oil and grease and Class C fires apply to energized electrical equipment.

• Ensure that all information necessary for you to immediately contact all sources of help (local fire department, etc) in the event of a fire emergency is recorded and readily available at all times.

• Ensure that the nozzle of any hand held extinguisher and pressurized water system available on the machine and at the work site fits within the fire extinguisher access holes in the doors of the machine.

WHAT TO DO WHEN A MACHINE FIRE OCCURS

• Ensure that your fire detection system* is in working order. Refer to FIRE DETECTION SYSTEM in SECTION 2 of the MACHINE OPERATOR’S MANUAL.

If operating the machine when a fire occurs:

• Ensure that your fire suppression system** is charged and in working order. Refer to FIRE SUPPRESSION SYSTEM in SECTION 2 of the MACHINE OPERATOR’S MANUAL.

3. Activate the fire suppression system**.

1. Lower all working attachments to the ground.

2. Turn OFF the engine.

4. Radio or call for help. Be certain to report a fire immediately.

5. Exit the machine taking fire extinguisher and pressurized water system hose (if applicable) with you.

• Ensure that you are familiar with the recommended procedures for fire contained in the emergency action plan of your company.

6. At all times ensure your own personal safety and the safety of anyone that may be in the area. Approach any fire with extreme caution.

All fires can be very dangerous and life threatening.

• Ensure that you follow all national, state/ provincial and local regulations dealing with fire fighting in effect in your specific geographic region. Regulations will vary from region to region but most will usually require that:

7. Only if you can safely do so, turn OFF the battery disconnect switch.

1. Workers assigned to fire fighting duties must be physically capable of performing them safely and effectively.

Before deciding to fight the fire, be certain that: 1. The fire is small and not rapidly spreading.

2. Workers designated to use fire fighting equipment as part of an emergency action plan must receive full and proper training from a qualified instructor.

3. Whenever portable fire extinguishers are provided for use in the workplace, training must be provided to familiarize workers with the general principles of fire extinguisher use and the hazards involved with fire fighting.

4. Training must be provided upon initial employment and at least annually thereafter.

2. There is always a clear, safe escape route to your back.

3. You have received training in the use of the available fire extinguishing systems and are confident that you can operate them effectively.

4. If in any doubt about whether or not to fight the fire – DON’T. Instead stand well clear of the fire and wait for help to arrive.

5. Be aware that engine coolant, diesel fuel or hydraulic hoses could fail during a fire. If this happens, hot coolant, fuel or oil could possibly be ignited by the fire.

6. If possible a dry chemical fire extinguisher or fire suppression system** should be used first to fight a machine fire. Then immediately afterwards use the pressurized water hose supplied with the machine (if applicable) or a

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Tigercat Bar Saw Felling Head

Safety

pressurized water extinguisher (if available). A fire suppressed by dry chemical may re-ignite from the heat retained by any debris or hot machine components in the area. The water will cool the area, reducing the chances of re-ignition.

▪▪ Failing all attempts to access the machine compartment, discharge the extinguisher through the mesh or any available openings on the machine.

▪▪ Ensure that the machine and all components have cooled down sufficiently after a fire so that re-ignition does not occur.

▪▪ Use the PASS method. This is the most effective use of a fire extinguisher.

▪▪ Remain with the machine until help arrives.

▫▫ Pull the pin at the top of the extinguisher that keeps the handle from being pressed. Break the plastic seal as the pin is pulled. ▫▫ Aim the nozzle at the base of the fire.

Do not aim the nozzle at the flames.

In order to put out the fire, you must extinguish the fuel, not the flames.

Hose nozzles are often clipped to the extinguisher body. Release the hose before taking aim.

WHAT TO DO AFTER A MACHINE FIRE HAS OCCURRED • Before returning the machine to work.

1. Ensure that the cause of the fire is determined and all appropriate repairs are completed.

2. Ensure that the fire detection system* or the fire suppression system** is properly serviced and in working order (if applicable).

3. Ensure that all extinguishers used in fighting the fire are replaced or recharged.

▫▫ Squeeze the handle to release the pressurized extinguishing agent. The handle can be released at any time to stop the discharge.

• Notify your equipment dealer and/or Tigercat Industries Inc. by completing an incident report, Tigercat form number 5101.

▫▫ Sweep from side to side at the base of the fire until the fire is completely out or the fire extinguisher is empty

*NOTE: Fire detection systems are offered by Tigercat as an optional installation on some Tigercat product lines. Please disregard any references made to fire detection systems if not installed on your machine. **NOTE: Dry chemical fire suppression systems are offered by Tigercat as an optional installation on some Tigercat product lines. Please disregard any references made to fire suppression systems if not installed on your machine.

822C-190

TYPICAL FIRE EXTINGUISHER ACCESS HOLE

▪▪ Place the nozzle of the fire extinguisher into the appropriate fire extinguisher access hole and discharge the extinguisher.

▪▪ Only if you can safely do so, open the access panels to the machine in the area of the fire.

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DRY CHEMICAL CLEANUP PROCEDURES Both ABC dry chemical fire extinguishers and fire suppression systems discharge a chemical powder to extinguish the fire. The chemical makeup and the small particle size of the powder as well as the force of the discharge all contribute to the fire fighting capability. These same characteristics also permit the powder to penetrate into and fully cover all components in the vicinity of the discharge.

The following are recommendations for the cleanup and neutralizing of areas exposed to dry chemical powder.

Workers performing this work should wear protective clothing, safety goggles and a fine particle dust mask to minimize their personal exposure to the dry chemical powder.

Ensure that all electrical systems have been completely de-energized prior to any cleanup.

1. In areas of the machine that remained cool and dry during the fire, the dry chemical will stay in powder form.

Be certain to clean these areas immediately to prevent any settled residual powder from coming into contact with moisture whether through direct contact or humidity in the air.

Remove the powder residue by blowing off with air, sweeping, dusting or vacuuming using a HEPA filter capable of trapping the small dry chemical particles. Then wipe all surfaces with a damp cloth.

2. In areas exposed to moisture, the dry chemical powder will combine with water to form a paste that is mildly acidic. Note that all surfaces covered by this dry chemical paste including electrical contacts are vulnerable to corrosive attack.

To neutralize the acidic paste on large surfaces, spray or wash these areas with a mixture of 3 parts hot water to 1 part baking soda. Allow this mixture to stand for several minutes before rinsing with warm water. Wash the area with a mild soap and water solution.

Rinse thoroughly with water. Blow-dry to remove all residual water.

Cleaning of electrical contacts should be done using an electrical contact cleaner that has no flash or fire point and is non-corrosive and non-conductive such as CRC Contact Cleaner 2000.

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3. In areas exposed to heat during the fire, the dry chemical powder will melt forming a coating that cakes or crusts on all surfaces.

To break down the caked dry chemical, spray or wash these areas with a 50/50 mixture of hot water and isopropyl alcohol. Allow this mixture to stand in place for several minutes.

The caked dry chemical when exposed to moisture is also mildly acidic. Therefore when the break down procedure has been completed, follow this immediately with the neutralizing procedure as described in step 2.

Tigercat Bar Saw Felling Head

Safety READ OPERATOR'S MANUAL AND USE THE SEAT BELT AT ALL TIMES! READ MANUAL

SAFETY LABELS SAFETY LABELS The following safety labels must be periodically cleaned and inspected to ensure legibility is maintained. Replace any label that becomes illegible, damaged or removed.

OPERATOR'S MANUAL LOCATION

This label indicates the storage location of the operator's manual. This label is located on the outside of the operator's manual case inside the cab.

55737BUNI R0

Always read the operator’s manual before operating the machine. Pay close attention to WARNINGS and HAZARD identifications.

Study all the safety messages in this manual and on the labels on the machine carefully.

USE SEAT BELT The operator's seat is equipped with lap and shoulder harness belts. Use both of these restraint systems at all times when operating the machine.

DO NOT ATTEMPT TO MOVE OR OPERATE the machine until the seat belt is fastened properly.

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Tigercat Bar Saw Felling Head

TILT FRAME LOCK BOLTS (FD5195) Two tilt frame lock bolts are provided. There is one located on either side of the head. The locking bolts are used to lock the head in an upright (vertical) position for lubrication and service.

LOCK BOLT, STORAGE LOCATION

WARNING, CUTTING HAZARD This label informs you of the storage location for the tilt frame lock bolt. Always store the tilt frame lock bolts in their storage locations while operating the felling head for easy access when they are required.

LOCK BOLT, LOCK LOCATION

There are two of these labels located on the felling head, one on each side of the saw housing.

TILT FRAME LOCK BOLT LOCK POSITION

29903A R1

This label informs you of the lock location for the tilt frame lock bolt. Always install the tilt frame lock bolts in their lock positions when the head is not operating.

LOCK BOLT

FD5195-027

This label informs you of the cutting hazard that exists when operating the chain saws on this felling head. KEEP CLEAR of the chain saw to avoid serious injury or death. NEVER stand or work in the cutting direction of the chain saw unless the engine is turned off. Ensure all personnel are at least 150 m (500 ft) away while the engine is running.

LEFT SIDE TILT FRAME UPRIGHT LOCKED POSITION

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WARNING

• THROWN OBJECTS HAZARD.

WARNING, CRUSH HAZARD (FD5195) This label informs you of the crush hazard posed by the tilt frame. The tilt frame is a potential crush hazard with the machine on or off, as well as when the head is not pinned to a machine at all. NEVER stand in front of the head or have any part of your body between the tilt frame and main frame unless the engine and head computer are turned off, head is parked on firm ground with the boom fully extended and the tilt frame lock bolts are installed in their lock position. There are two of these labels located on the felling head, one on each leg of the tilt frame.

• KEEP CLEAR AS HIGH SPEED EJECTION OF CHAIN SAW PARTS CAN CAUSE SERIOUS INJURY OR DEATH. • NEVER POSITION HEAD SO THAT CHAIN SAW BARS ARE IN LINE WITH ANY BYSTANDERS, OTHER MACHINES OR CAB. 29921A R1

WARNING, THROWN OBJECTS HAZARD This label informs you of the thrown objects hazard that exists when operating this felling head.

Warn all personnel to stay 150 m (500 ft) away when operating the machine and head. During operation objects can be thrown or ejected at high speed and can travel long distances. Ejection of chain saw parts or other objects can cause serious injury or death.

NEVER operate or position the head with the chain saw bar in line with any bystanders, other machines or facing towards the operator’s cab.

Orient the bar and chain so high velocity parts are thrown away from any bystanders and equipment.

ALWAYS follow chain manufacturer’s guidelines for proper use and maintenance.

ALWAYS be aware of the location of other machines and personnel who are working in the harvesting area and be prepared to stop operations if they enter your working area without warning. Be prepared for this potential and take appropriate action if required!

This label is located inside the cab in full view of the operator. In the case that this felling head is purchased “loose” without a machine, one of these labels will be sent along with the head to be affixed to the inside of the cab at a future date.

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SAFETY LABEL LOCATIONS Safety labels are installed on the left side of the felling head in the locations shown.

WARNING

• THROWN OBJECTS HAZARD. • KEEP CLEAR AS HIGH SPEED EJECTION OF CHAIN SAW PARTS CAN CAUSE SERIOUS INJURY OR DEATH.

LABEL LOCATED IN CAB

• NEVER POSITION HEAD SO THAT CHAIN SAW BARS ARE IN LINE WITH ANY BYSTANDERS, OTHER MACHINES OR CAB. 29921A R1

5185-003

SAFETY LABEL LOCATIONS 5185 1.42

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SAFETY LABEL LOCATIONS Safety labels are installed on the right side of the felling head in the locations shown.

5185-002

SAFETY LABEL LOCATIONS 5185 1.43

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Tigercat Bar Saw Felling Head

SAFETY LABEL LOCATIONS Safety labels are installed on the left side of the felling head in the locations shown.

WARNING

LABEL LOCATED IN CAB

• THROWN OBJECTS HAZARD. • KEEP CLEAR AS HIGH SPEED EJECTION OF CHAIN SAW PARTS CAN CAUSE SERIOUS INJURY OR DEATH. • NEVER POSITION HEAD SO THAT CHAIN SAW BARS ARE IN LINE WITH ANY BYSTANDERS, OTHER MACHINES OR CAB. 29921A R1

TILT FRAME LOCK BOLT LOCK POSITION

29903A R1

WARNING

• THROWN OBJECTS HAZARD. • KEEP CLEAR AS HIGH SPEED EJECTION OF CHAIN SAW PARTS CAN CAUSE SERIOUS INJURY OR DEATH. • NEVER POSITION HEAD SO THAT CHAIN SAW BARS ARE IN LINE WITH ANY BYSTANDERS, OTHER MACHINES OR CAB. 29921A R1

5195-004

SAFETY LABEL LOCATIONS 5195 1.44

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SAFETY LABEL LOCATIONS Safety labels are installed on the right side of the felling head in the locations shown.

TILT FRAME LOCK BOLT LOCK POSITION

29903A R1

5195-004

SAFETY LABEL LOCATIONS 5195 1.45

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Tigercat Bar Saw Felling Head

REMOVE IGNITION KEY BEFORE SERVICING THE MACHINE!

CRUSH HAZARD

This label warns of a downward force crush zone caused by swinging or falling logs.

Prior to performing any service work or maintenance on the machine, stop the engine, REMOVE THE IGNITION KEY and store it in a safe place.

Approaching personnel are subject to crush injuries by falling or swinging logs which could result in death or serious injury.

Do Not start the machine until other personnel are a safe distance away from the machine.

When the engine is running, DO NOT allow anyone in areas of the machine where they may be crushed by moving components.

Maintain a safe operating distance between the machine and other personnel. It is the duty of the operator to ensure that no person approaches the operating machine within the 150 m (500 ft) Hazard Zone.

Do Not attempt to service or work on the machine until the load is removed from the felling head, the vehicle is in the parked position, and the engine is shut off.

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CRUSH HAZARD

CRUSH HAZARD

This label warns of the CRUSH HAZARD caused by the engine enclosure door.

Be sure that all personnel are clear when opening and closing the engine enclosure door. Operating the engine enclosure door with personnel in the crush zone COULD RESULT IN DEATH OR SERIOUS INJURY! Keep all personnel clear of the machine before operating the engine enclosure door.

This label warns of the CRUSH HAZARD caused by the cab tilting.

Be sure that all personnel are clear when tilting the cab. Operating the cab tilt function with personnel in the crush zone COULD RESULT IN DEATH OR SERIOUS INJURY!

CRUSH HAZARD, LEVELER

Keep all personnel clear of the machine before operating the cab tilt function.

This label warns of the CRUSH HAZARD caused by movement of the leveling frames and cylinders when not properly supported.

Never work under the machine or near the leveler area when it is unsupported. Contact with moving frames and cylinders COULD RESULT IN DEATH OR SERIOUS INJURY! Properly support and brace the leveler cylinders and shut off engine before performing service work in this area.

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CUTTING HAZARD

ENTANGLEMENT HAZARD

36779BUNI R0

This label informs you of the cutting hazards of the cooling fan blade when the engine is running.

This label warns of an ENTANGLEMENT HAZARD (rotating parts) zone.

KEEP CLEAR of cutting hazards caused by rotating components.

DO NOT PLACE HANDS OR FINGERS IN THIS AREA. Rotating parts such as pulleys, belts and drives can cause entanglement of body parts resulting in serious injury.

DO NOT PLACE HANDS OR FINGERS IN THIS AREA. Rotating parts such as cooling fan blades can cause entanglement of body parts resulting in serious injury.

KEEP HANDS AND FINGERS CLEAR OF ROTATING BELT, DRIVE OR PULLEY Before performing any service work on these parts or in this area, shut engine off and wait for rotating parts to come to a complete stop.

KEEP HANDS AND FINGERS CLEAR OF ROTATING FAN BLADES Before performing any service work on these parts or in this area, shut engine off and wait for rotating parts to come to a complete stop.

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ER BOOM WARNING

ER BOOM WARNING

55987BUNI R0

This label warns that the machine is equipped with an ER boom system.

Read the machine Operator's Manual to become familiar with the operation and movement of the ER boom system.

This label warns that the machine is equipped with an ER boom system. Because of this it may behave in an unexpected manner. Ensure no persons are near the machine during operation.

Read and understand the servicing procedures in the machine Service Manual and make sure the boom and felling head are securely braced and supported before attempting to adjust pressures or disconnect hydraulic lines. SERIOUS INJURY OR DEATH COULD RESULT FROM CRUSHING.

Never permit persons to stand under the boom or the felling head. Contact COULD RESULT IN DEATH OR SERIOUS INJURY. Always ensure the felling head is resting securely on the ground before performing any of the following functions: • Turn off the engine.

• De-energizing pilot circuit • Opening front door.

1.49

Safety

Tigercat Bar Saw Felling Head

HOT SURFACES

STORED ENERGY HAZARD

This label warns of hot machine and machine component surfaces. Be aware when performing service and maintenance tasks that surfaces and grab handles in and around the engine hydraulic tank and cooling system may become very hot when the machine has been running. DO NOT TOUCH these hot surfaces, contact with hot surfaces may cause injury.

• Before servicing the machine, allow the engine cooling system, fuel system, exhaust system, hydraulic system and machine surfaces to cool down.

• Use a thermometer to check surface and system temperatures to ensure it is safe to begin service work.

• DO NOT begin service work until the surface or system temperature has cooled to below 38°C (100°F).

This label warns of a STORED ENERGY HAZARD. The machine is equipped with an accumulator.

The accumulator has stored energy in the form of hydraulic pressure. Servicing the accumulator, hydraulic tank or any hydraulic components before releasing pressure could result in death or serious injury.

DO NOT SERVICE ACCUMULATOR OR ANY HYDRAULIC COMPONENTS before releasing pressure.

1.50

Tigercat Bar Saw Felling Head

Safety

ELECTROCUTION HAZARD!

ELECTRICAL SHOCK HAZARD

This label warns of a potential ELECTROCUTION HAZARD. Contact with electric lines WILL RESULT IN DEATH OR SERIOUS INJURY!

This label warns of the potential of a severe shock hazard.

55992BUNI R0

TURN OFF Battery Disconnect Switch BEFORE removing the battery compartment cover.

Before beginning work in any area study the area thoroughly and become familiar with any potential hazards especially electrocution hazards from electric lines.

Ensure the positive battery cables are disconnected before performing any service.

DO NOT MOVE ANY PART OF THE MACHINE OR LOAD WITHIN 3 m (10 ft) PLUS TWO TIMES LINE INSULATOR LENGTH OF ANY ELECTRIC LINES!

DO NOT short out battery terminals for any reason. Serious burns and/or an explosion can result.

Refer to GENERAL SAFETY PRECAUTIONS in THIS SECTION.

KEEP BACK

When approaching an operating machine on foot, stay at least 150 m (500 ft) away until the operator recognizes your presence. Make sure that all equipment has been shut down before advancing to the machine.

This label warns personnel to KEEP BACK 150 m (500 ft) due to flying projectiles and falling trees.

Danger exists predominantly around the felling head.

1.51

Safety

Tigercat Bar Saw Felling Head

NO RIDERS

EXPLOSIVE RELEASE OF HOT COOLING SYSTEM PRESSURIZED FLUID

NO RIDERS INSIDE OR OUTSIDE OF THE MACHINE. Do not carry passengers either in the cab or anywhere else on the machine. The vehicle seating accommodation is for one operator only.

Persons riding on the outside of the machine are subject to hazards such as falling off the machine, crush hazards, thrown object hazards and many other hazards WHICH COULD RESULT IN DEATH OR SERIOUS INJURY. If any person attempts to climb onto the machine during operation, STOP THE MACHINE IMMEDIATELY. DO NOT Operate the machine until other personnel are a safe distance away from the machine.

1.52

33952AUNI R0

This label warns of a PRESSURE AND FLUID SPRAY HAZARD when the coolant in the radiator is hot.

DO NOT LOOSEN CAP UNTIL COOL, explosive release of fluids from pressurized cooling system can cause serious burns.

Shut off engine. Only remove coolant filler cap when cool enough to touch with bare hands.

Slowly loosen cap to first stop to relieve pressure before removing completely.

Tigercat Bar Saw Felling Head

Safety

EXPLOSION HAZARD

PORTABLE FIRE EXTINGUISHER

WARNING • EXPLOSION HAZARD. • DO NOT USE ETHER. • ENGINE EQUIPPED WITH HEATER STARTING AID. • USE OF ETHER COULD RESULT IN DEATH OR SERIOUS INJURY. 36782BENG R0

This label warns of an EXPLOSION HAZARD. The engine is equipped with a heater starting aid, DO NOT USE ETHER to assist in starting the engine.

USING ETHER COULD CAUSE AN EXPLOSION WHICH COULD RESULT IN DEATH OR SERIOUS INJURY. This label indicates PORTABLE FIRE EXTINGUISHER LOCATION.

1.53

Safety

Tigercat Bar Saw Felling Head

FIRE PREVENTION!

CHECK DAILY

This label advises operators of the following:

In addition to the previous label it is a reminder to check the machine daily for the possibility of debris build-up, leaks, damaged wires and hoses and take the necessary action required to clean up any debris accumulation, repair any leaks, damaged wires or hoses.

READ, UNDERSTAND AND FOLLOW THE FIRE PREVENTION GUIDELINES IN THIS MANUAL. These guidelines provide all the necessary action required to preventing fires on this machine. DO NOT OPERATE THIS MACHINE until you have read these instructions and have performed any necessary maintenance required that will prevent the potential of a fire from starting on this machine.

It is also important to note that fire prevention inspections and maintenance MUST BE PERFORMED FREQUENTLY (several times per day). A clean combustible free machine as well as frequent inspections of the exhaust components, hydraulic hoses and electrical cables and performing any necessary repairs immediately will help prevent fires.

Maintain a CHARGED fire extinguisher on the machine at all times, know where it is and KNOW HOW TO USE IT!

1.54

The label also advises to check and ensure that all fire fighting devices are in good working order.

Tigercat Bar Saw Felling Head

Safety

FIRE EXTINGUISHER ACCESS HOLE

This label indicates the location of each FIRE EXTINGUISHER ACCESS HOLE.

1.55

Safety

Tigercat Bar Saw Felling Head

EMERGENCY EXIT, CAB, LEFT-HAND SIDE DOOR

EMERGENCY EXIT, HAND TIGHTEN ONLY

The label indicates that the escape hatch knobs should be hand tightened only to allow for easy exit.

Ensure all exit locations are functioning properly.

Refer to ESCAPE HATCH EMERGENCY EXIT in SECTION 2 of the MACHINE OPERATOR'S MANUAL.

This label alerts the operator that, in the event of an emergency this door can be used as an emergency exit.

This label is also located just below the bottom of the left hand emergency exit doorway, on the outside of the cab frame. The label reminds the operator that this door should not be used as a point of entry into the cab, except in the case of an emergency where emergency personnel need to gain access to the operator.

This label reminds the operator that this door should not be used as a point of entry into the cab, except in the case of an emergency where emergency personnel need to gain access to the operator.

Ensure all exit doors and exit hatch are functioning properly at all times.

Refer to SIDE DOOR AND ESCAPE HATCH EMERGENCY EXIT MAINTENANCE GUIDE in THIS SECTION.

1.56

Refer to SIDE DOOR AND ESCAPE HATCH EMERGENCY EXIT MAINTENANCE GUIDE in THIS SECTION.

Tigercat Bar Saw Felling Head

Safety

The following are some “FELLING HEAD DO NOTS” Do not allow anyone in areas of the felling head or machine where they may be crushed by moving components. All personnel MUST REMAIN AT LEAST 150m (500 ft) AWAY Do not operate or position the head with the chain saw bars in line with any bystanders, other machines or facing towards the operator’s cab.

Do not operate a felling head in a populated area.

Do not allow anyone to be in line with a rotating saw chain.

Do not change any pressure or relief setting unless authorized instruction has been obtained.

Do not operate the head with any of the saw chain guards removed.

Do not use your bare hand to check for fluid leaks.

Do not operate the felling head with any defective or inoperable components.

Do not stand, sit or climb on any part of the felling head, either with the clamping arms open or closed.

Do not stand under the felling head.

Do not remove or alter any part of the head or control system.

Do not exceed the capacity of the head or machine.

Do not neglect saw chain inspection, maintenance and replacement.

Do not neglect to repair worn or damaged components.

Do not neglect to replace any covers removed for service or clean out.

Do not exit the machine or perform any maintenance or service unless the head is placed in the park position and the engine is turned off.

Do not assume that visitors and other workers are aware of felling head dangers.

Do not assume that the operator will spare you, a visitor, from danger.

Do not leave the machine unattended while the engine is running.

Do not work alone. Regularly inform other crew members of your intentions, location and length of time to perform duties.

Do not allow anyone who may be unfit, physically or mentally or who may be under the influence of alcohol or drugs, to operate the machine.

Do not neglect to read and follow all instructions provided by the felling head and machine manufacturer.

1.57

Safety

Tigercat Bar Saw Felling Head

1.58

Tigercat Bar Saw Felling Head SECTION 2 - CONTROLS AND OPERATION CONTENTS - SECTION 2

ISSUE 3.0, MAY 2017

BAR SAW COMPONENTS........................................................................................................................ 2.3 BAR SAW CONTROLS FC5185 (822C)....................................................................................................................................... 2.6 FC5185 (L855C)..................................................................................................................................... 2.8 FD5195...................................................................................................................................................2.4 FW5185................................................................................................................................................2.10 BAR SAW OPERATION........................................................................................................................... 2.11 PREPARATION..................................................................................................................................... 2.11 USING THE SAW UNIT........................................................................................................................ 2.11 PARKING THE HEAD FD5195................................................................................................................. 2.12 PICTOGRAM DESCRIPTIONS.................................................................................................................. 2.2 SHIPPING FD5195.................................................................................................................................. 2.14 TILT FRAME FD5195............................................................................................................................... 2.13 TILT FRAME LOCK BOLTS FD5195........................................................................................................ 2.13

Controls and Operation

PICTOGRAM DESCRIPTIONS

Tigercat Bar Saw Felling Head

Diagrams in pictorial form are used to represent machine function operation. Some of the symbols are signs, characters, figures, or any components related to the operation of the machine. They are a simple universal language of symbols or pictograms that illustrate a function or component without the use of words. Pictograms are installed on or in close proximity to the switch or device used to activate or deactivate the machine function or they may be a sign used on a warning or indicator light of a function that is operating or advising of an alarm condition.

Examples of these pictograms are the turtle speed such as SLOW =

or FAST =

and the rabbit

that are often used to describe

.

The pictograms used on this machine are as follows: = Attachment Rotate CCW

= Saw With Clamp and Retract

= Attachment Rotate CW

= Saw With Clamp and Retract (FW5185 only)

= Bar Extend

= Saw With Retract (later labels)

= Bar Extend (FW5185 only)

= Saw With Retract (earlier labels)

= Bar Retract

= Saw With Retract (FW5185 only)

= Bar Retract (FW5185 only)

= Saw without Retract

= Clamp Arm Close

= Clamp Arm Open

= Directional Head Tilt UP

2.2

Tigercat Bar Saw Felling Head

Controls and Operation

FRAME

LEFT CLAMP ARM

RIGHT CLAMP ARM

BAR SAW SAW MANIFOLD

YOKE

ROTATOR TILT FRAME

FRAME

SAW MOTOR FD5195-020

TILT LOCK LEFT CLAMP ARM (GRAPPLE ARM)

RIGHT CLAMP ARM (GRAPPLE ARM)

BAR SAW

FC5185 FD5195

BAR SAW COMPONENTS 2.3

Controls and Operation

Tigercat Bar Saw Felling Head

IMPORTANT !

This manual is applicable to factory installed machine functions and controls. It does not take into account any changes or modifications made after shipment. Verify all functions before operating this machine.

2

60143BUNI R0

FELLER DIRECTIONAL BAR SAW CONTROLS (FD5195 - LS855C/LS855D SHOWN)

Saw with Clamp and Retract Thumb switch, centre right * Press and hold to operate the saw with clamp and retract function. Clamp close, saw motor and bar extend*** active when button pressed.

Saw bar will retract fully and saw motor turns off (or ramps off**) when button is released.

Bar retract is maintained for an adjustable time, this function is adjustable in the machine computer (Return Time Limit). Tilt float is activated and maintained.

NOTE: The machine pilot system and saw switch must be ON to operate all saw active functions.

LEFT JOYSTICK CONTROLS Boom, In/Out Move the joystick back to move the boom IN toward the machine.

Move joystick forward to move boom OUT away from the machine.

Saw with Retract Thumb switch, bottom left * Press and hold to operate the saw with retract function. Saw motor and bar extend*** active when button is pressed. Saw bar will retract fully and saw motor turns off (or ramps off**) when button is released. Tilt float is activated and maintained.

Swing Move the joystick left to swing the upper structure to the LEFT (COUNTERCLOCKWISE).

Move the joystick right to swing the upper structure to the RIGHT (CLOCKWISE).

Leveling, Left/Right Tilt left - thumb switch, upper left Push to tilt upper structure LEFT.

Directional Head Tilt UP Thumb switch, bottom right Push to tilt head UP while button is held. Tilt is locked when button released.

Tilt right - thumb switch, upper right Push to tilt upper structure RIGHT.

Saw without Retract Trigger switch Press and hold to operate the saw without retract function. Saw motor and bar extend active when button is pressed. Bar partially retracts and saw motor turns off when released. Use bar retract (centre left button) to retract saw bar.

Bar Retract Thumb switch, centre left Push to retract the saw bar. The saw bar retracts without running the saw motor.

2.4

Tigercat Bar Saw Felling Head

Controls and Operation

60144BUNI R0

RIGHT JOYSTICK CONTROLS

Clamp Arm Open/Close

Boom, Up/Down

Thumb switch, bottom left* Push to CLOSE clamp arms.

Move the joystick back to RAISE the boom.

Move the joystick forward to LOWER the boom.

Thumb switch, bottom right* Push to OPEN clamp arms.

Optional Tilt Lock Trigger switch Optional tilt lock allows the operator the ability to lock the position of the saw and grapple frame to the tilt frame during and after the saw cut for trimming branches, felling stumps, topping trees etc.

Attachment Rotate CW/CCW Move joystick left to to rotate head COUNTERCLOCKWISE. Move joystick right to rotate head CLOCKWISE.

*NOTE: On some machines both clamp arm and saw functions are operated by the main valve resulting in function interactions when multiple functions are operating. Operating some functions on these machines may result in saw flow/speed variations, most commonly reduced flow/speed, depending on operating conditions.

Leveling, Front/Back Tilt forward - thumb switch, upper left Push to tilt upper structure FORWARD. Tilt backward - thumb switch, upper right Push to tilt upper structure BACKWARD. Event counter (if equipped) Thumb switch, centre left Refer to COMPUTER in machine manual.

**NOTE: Some applications have saw motor ramp off during retract to help the saw bar more easily clear the cut and to retract more quickly. This function is adjustable in the machine computer.

Refer to BAR SAW HYDRAULICS – SAW PRESSURE STOP RAMP in SECTION 3 of THIS MANUAL.

Bar Extend Thumb switch, centre right Press to extend the bar. The saw bar extends without running the saw motor.

Use this function to extend the bar past the tree if the bar gets caught on the far side of the tree during the cut, then lift and release the tree ensuring the bar stays clear of the falling tree and the ground. This can help to prevent damage to the bar or chain.

***NOTE: Bar feed delay is adjustable by the operator in the machine computer (Bar Feed Delay) to allow the saw motor to accelerate the chain to speed before starting the cut. This reduces stalling at the start of the cut.

Use also to extend the bar to service the bar and chain.

2.5

Controls and Operation

Tigercat Bar Saw Felling Head

IMPORTANT !

This manual is applicable to factory installed machine functions and controls. It does not take into account any changes or modifications made after shipment. Verify all functions before operating this machine.

1

2

56280BUNI R0

FELLER CONTROLLED BAR SAW CONTROLS (FC5185-822C SHOWN)

Saw without Retract Thumb switch, centre right Press and hold to operate the saw without retract function. Saw motor and bar extend active when button is pressed. Bar partially retracts and saw motor turns off when released. Use bar retract to retract saw bar.

NOTE: The machine pilot system and saw switch must be ON to operate all saw active functions.

LEFT JOYSTICK CONTROLS Boom, In/Out Move the joystick back to move the boom IN toward the machine.

NOTE: Some machines may be equipped with a machine computer controlled partial return function when the trigger is released to help clear the cut and allow time to start more easily if cut was not finished. This is also useful when trimming limbs to allow partial retract to position the saw for cutting the next limb. This function is adjustable in the machine computer (Saw Auto Return).

Move joystick forward to move boom OUT away from the machine.

Swing Move the joystick left to swing the upper structure to the LEFT (COUNTERCLOCKWISE).

Move the joystick right to swing the upper structure to the RIGHT (CLOCKWISE).

No factory equipped function Thumb switch - bottom left

No factory equipped function Thumb switch, top left

Bar Retract Thumb switch, bottom right Push to retract the saw bar. The saw bar retracts without running the saw motor.

Thumb switch, top right Thumb switch, centre left

Wrist Rotate Trigger switch Pull the trigger switch to rotate wrist COUNTERCLOCKWISE.

2.6

Tigercat Bar Saw Felling Head

Controls and Operation

Bar extend Thumb switch, centre right Press to extend the bar. The saw bar extends without running the saw motor.

RIGHT JOYSTICK CONTROLS Boom, Up/Down Move the joystick back to RAISE the boom.

Move the joystick forward to LOWER the boom.

Use this function to extend the bar past the tree if the bar gets caught on the far side of the tree during the cut, then lift and release the tree ensuring the bar stays clear of the falling tree and the ground. This can help to prevent damage to the bar or chain.

Head Tilt, Forward/Back Move the joystick right to tilt the felling head FORWARD. Move the joystick left to tilt the felling head BACK.

Use also to extend the bar to service the bar and chain.

No factory equipped function Thumb switch - top left

Clamp Arm Open/Close Thumb switch, bottom left Push to CLOSE clamp arms.

Thumb switch - top right Saw with Retract Thumb switch, centre left Press and hold to operate the saw with retract function. Saw motor and bar extend*** active when button is pressed. Saw bar will retract fully and saw motor turns off (or ramps off) when button is released.

Thumb switch, bottom right Push to OPEN clamp arms.

Wrist Rotate Trigger switch Pull the trigger switch to rotate wrist CLOCKWISE.

NOTE: A Clamp While Sawing option is available in the machine computer. When this option is turned on this button becomes a Saw with Clamp and Retract function. Press and hold to operate the saw with clamp and retract function. Clamp close, saw motor and bar extend*** active when button pressed. Saw bar will retract fully and saw motor turns off (or ramps off) when button is released.

***NOTE: Bar feed delay is adjustable by the operator in the machine computer system (Bar Feed Delay) to allow the saw motor to accelerate the chain to speed before starting the cut. This reduces stalling at the start of the cut.

NOTE: Some applications have a saw motor ramp off during retract to help the saw bar clear the cut and to retract quickly.

This function is adjustable in the machine computer. Refer to the machine specific service manual for details to adjust the saw stop ramp.

2.7

Controls and Operation

Tigercat Bar Saw Felling Head

IMPORTANT !

This manual is applicable to factory installed machine functions and controls. It does not take into account any changes or modifications made after shipment. Verify all functions before operating this machine.

43686AUNI R0

with clamp and retract function. Clamp close, saw motor and bar extend*** active when button pressed. Saw bar will retract fully and saw motor turns off (or ramps off) when button is released.

FELLER CONTROLLED BAR SAW CONTROLS (FC5185-L855C SHOWN) NOTE: The machine pilot system and saw switch must be ON to operate all saw active functions.

LEFT JOYSTICK CONTROLS

NOTE: Some applications have a saw motor ramp off during retract to help the saw bar clear the cut and to retract quickly. This function is adjustable in the machine computer system. Refer to the machine specific service manual for details to adjust the saw stop ramp.

Boom, Up/Down Move the joystick back to RAISE the boom.

Move joystick forward to LOWER the boom.

Swing Move the joystick left to swing the upper structure to the LEFT (COUNTERCLOCKWISE).

Saw without Retract Thumb switch, bottom left Press and hold to operate the saw without retract function. Saw motor and bar extend active when button is pressed. Bar partially retracts and saw motor turns off when released. Use bar retract to retract saw bar.

Move the joystick right to swing the upper structure to the RIGHT (CLOCKWISE).

Leveling, Left/Right Thumb switch, upper left - Tilt left Push to tilt upper structure LEFT.

NOTE: Some machines may be equipped with a computer controlled partial return function when the trigger is released to help clear the cut and allow time to start more easily if cut was not finished. This is also useful when trimming limbs to allow partial retract to position the saw for cutting the next limb. This function is adjustable in the machine computer system (Saw Auto Return).

Thumb switch, upper right - Tilt right Push to tilt upper structure RIGHT. No factory equipped function Thumb switch - centre left Saw with Retract Thumb switch, centre right Press and hold to operate the saw with retract function. Saw motor and bar extend*** active when button is pressed. Saw bar will retract fully and saw motor turns off (or ramps off) when button is released.

Bar Retract Thumb switch, bottom right Push to retract the saw bar. The saw bar retracts without running the saw motor.

NOTE: A Clamp While Sawing option is available in the machine computer system.

When this option is turned on this button becomes a Saw with Clamp and Retract function. Press and hold to operate the saw

Wrist Rotate Trigger switch Pull the trigger switch to rotate wrist COUNTERCLOCKWISE. 2.8

Tigercat Bar Saw Felling Head

Controls and Operation

43685AUNI R0

RIGHT JOYSTICK CONTROLS

Bar extend Thumb switch, centre right Press to extend the bar. The saw bar extends without running the saw motor.

Boom, In/Out Move the joystick forward to move the boom IN toward the machine.

Use this function to extend the bar past the tree if the bar gets caught on the far side of the tree during the cut, then lift and release the tree ensuring the bar stays clear of the falling tree and the ground. This can help to prevent damage to the bar or chain.

Move the joystick back to move the boom OUT away from the machine.

Head Tilt, Forward/Back Move the joystick right to tilt the felling head FORWARD.

Use also to extend the bar to service the bar and chain.

Move the joystick left to tilt the felling head BACK.

Clamp Arm Open/Close Thumb switch, bottom left Push to CLOSE clamp arms.

Leveling, Front/Back Thumb switch, upper left - Tilt forward Push to tilt upper structure FORWARD.

Thumb switch, bottom right Push to OPEN clamp arms.

Thumb switch, upper right - Tilt backward Push to tilt upper structure BACKWARD.

Wrist Rotate Trigger switch Pull the trigger switch to rotate wrist CLOCKWISE.

No factory equipped function Thumb switch - centre left

***NOTE: Bar feed delay is adjustable by the operator in the machine computer system (Bar Feed Delay) to allow the saw motor to accelerate the chain to speed before starting the cut. This reduces stalling at the start of the cut.

2.9

Controls and Operation

Tigercat Bar Saw Felling Head

IMPORTANT !

This manual is applicable to factory installed machine functions and controls. It does not take into account any changes or modifications made after shipment. Verify all functions before operating this machine.

FELLER, DRIVE TO TREE BAR SAW CONTROLS (FW5185 - M718E SHOWN) NOTE: The machine pilot system and saw switch must be ON to operate all saw active functions.

FOOT PEDALS Clamp Arms Press the LEFT foot pedal to open the clamp arms.

Press the RIGHT foot pedal to CLOSE the clamp arms.

LEFT JOYSTICK CONTROLS Saw with Retract Thumb switch, top left Press and hold to operate the saw with retract function. Saw motor and bar extend active when button is pressed. Saw bar will retract fully and saw motor turns off when button is released.

Saw with Clamp and Retract Thumb switch, top right Press and hold to operate the saw with clamp and retract function. Clamp close, saw motor and bar extend active when button pressed.

Saw bar will retract fully and saw motor turns off when button is released.

54191BUNI

RIGHT JOYSTICK CONTROLS (WITH BAR SAW) Bar Retract Thumb switch, top left Push to retract the saw bar. The saw bar retracts without running the saw motor.

Bar Extend Thumb switch, top right Press to extend the bar. The saw bar extends without running the saw motor.

Use this function to extend the bar past the tree if the bar gets caught on the far side of the tree during the cut, then lift and release the tree ensuring the bar stays clear of the falling tree and the ground. This can help to prevent damage to the bar or chain.

Use also to extend the bar to service the bar and chain.

2.10

Tigercat Bar Saw Felling Head BAR SAW OPERATION

USING THE SAW UNIT

PREPARATION

Prior to using the chainsaw keep in mind:

It is mandatory that the operator has had experience operating the bar saw felling head prior to felling trees.

• View of the chainsaw bar if possible.

The machine has been completely serviced and is in good condition with clean windows.

Complete inspection of the saw chains sharpened, tensioned, and in good condition.

Test all controls before commencing work.

Controls and Operation

• Protection of boom hydraulics and cab.

While cutting, push in the felling direction avoiding upward pressure. As the cutting unit completes the cut the saw will increase in speed and the bark chips maybe visible.

Once the cut is completed, check that the saw has returned before moving the tree too far.

SAW WITH RETRACT: Once the cut is completed, release the saw button and the saw will return automatically.

Cycle bar extend/bar retract during initial use or after changing the chain or after making several large tree cuts to provide additional lubrication to the bar and chain.

SAW WITHOUT RETRACT: Once the cut is completed press bar retract to retract the bar manually.

Run all the functions to ensure that the hydraulic components have been warmed up. If hot oil under high pressure runs through cold components the thermal shock can cause excessive wear and/or damage. Pre warming by running the machine is only allowed when the operator is in the cab with no tree in the head.

PARTIAL RETURN: Some machines may be equipped with an computer controlled partial return function when the trigger is released to help clear the cut and allow time to start more easily if cut was not finished. This is also useful when trimming limbs to allow partial retract to position the saw for cutting the next limb. This function is adjustable in the machine computer system (Saw Auto Return).

Determine location of roads, waterways and boundaries. Before work begins identify additional hazards.

Check that no other personnel have moved into a hazardous area before starting the machine.

Sound the machine horn before starting the machine.

WARNING

When felling it is possible to jam the saw. Stop the activation of the saw and slowly lift the head supporting the weight of the tree. The lifting distance should be just enough to release the saw.

Ensure the tree is clamped tightly before the chainsaw is activated. A loose tree may move after the chainsaw begins the cut. This may derail the chain, bend the bar, stop the chainsaw from cutting or damage the saw unit.

A side tear along the tree may stop the chainsaw from returning if it is not cut on the downward pass. The cut should be made past this tear.

Stems should be supported when cutting, as this will avoid splitting.

• THROWN OBJECTS HAZARD. • KEEP CLEAR AS HIGH SPEED EJECTION OF CHAIN SAW PARTS CAN CAUSE SERIOUS INJURY OR DEATH. • NEVER POSITION HEAD SO THAT CHAIN SAW BARS ARE IN LINE WITH ANY BYSTANDERS, OTHER MACHINES OR CAB.

A small amount of upward lift may be required as the chainsaw completes the cut. This will keep the cut open and avoid chain stall.

Care should be taken that the end of the bar does not cut into the ground when completing a cut. The chainsaw may also cut into another log damaging the log or if the felling head is moving, may result in damage to the bar and chain.

29921A R1

2.11

Controls and Operation

Tigercat Bar Saw Felling Head

PARKING THE HEAD FD5195 The FD5195 head can be parked in two positions, upright or tilted down.

Parking Head Upright 1. Park machine on level ground.

2. Extend boom and stick and lower the head to the ground. Lower head enough to rest the full weight of the head on the ground.

3. Turn pilot switch OFF and shut engine OFF. 4. Install tilt frame lock bolts as outlined on next page.

Parking Head Tilted Down FD5195 1. Park machine on level ground.

2. Raise boom to provide clearance to tilt head down.

3. Tilt head DOWN. 4. Extend boom and stick and lower the head to the ground. Lower the head enough to rest the full weight of the head on the ground.

5. Turn pilot switch OFF and shut engine OFF.

FD5195-001

FD5195 SERVICE POSITION

2.12

Tigercat Bar Saw Felling Head

Controls and Operation

LOCK BOLT ROTATOR

TILT FRAME

FD5195-026

LEFT SIDE TILT FRAME LOCK STORAGE POSITION LOCK BOLT

FD5195-028

TILT FRAME

TILT FRAME FD5195 The tilt frame carries the felling head and provides a means of positioning the head when approaching trees through rotation and tilt angle.

Two hydraulic cylinders, one on each side of the tilt frame are used for the tilt function.

FD5195-027

TILT FRAME LOCK BOLTS FD5195 The tilt frame is equipped with two service locking bolts. The lock bolts, one on each side of the attachment, are used to lock the attachment in the upright position when performing service such as lubrication or repairs and for shipping.

When not in use the lock bolts are stored in the lock bolt hole storage location on the attachment frame.

2.13

LEFT SIDE TILT FRAME UPRIGHT LOCKED POSITION

Controls and Operation

Tigercat Bar Saw Felling Head

SHIPPING FD5195 USING SHIPPING SUPPORT, RIGGING AND STRAP

BOTTOM COVER

RUBBER STRAP RIGGING ASSEMBLY

NOTE: The shipping support, rigging and strap are supplied with the FD5195 head.

SPREADER BAR

TILT LOCK LINK (2 PLACES) SHIPPING SUPPORT

FD5195-022 FD5195-021

1. Securely install tilt frame lock links (2 places).

2. Position the head on the ground so the head is resting securely on head horns and saw box.

3. Stick boom should be close to but not contacting tilt frame at the boom stops.

7. Move the boom so the shipping support is firmly secured between the head and boom cover. The shipping support should be perpendicular to bottom covers on boom.

8. Install the rigging assembly (Tigercat part number 60350B) around the boom, hooking onto lugs as shown.

NOTE: The boom bottom cover bolts must be properly tightened before installing the rigging.

SHIPPING SUPPORT

9. Tighten each ratchet, alternating between sides until there is no movement between head and boom.

Ensure that the spreader bar of rigging sits flat and centred on top of the boom and that each side of rigging is tight. Note that the rigging must be perpendicular to top of the stick boom.

CRADLE

10. Install rubber strap (Tigercat part number BN508) between each ratchet handle and connection points on support to prevent ratchet handles from rotating.

FD5195-023

4. Insert the shipping support (Tigercat Part# 60346B) hook plate into small hole in the back of sawbox.

5. Rotate/slide the shipping support to the resting position.

6. The support’s cradle should fit around bottom covers on the stick boom.

2.14

Tigercat Bar Saw Felling Head

Controls and Operation

11. Park the machine on the trailer with the stick boom knuckled under so the boom tip is between the tracks of the machine and supported on the deck (or block).

12. Connect chains from the trailer to the same lugs on the head as the rigging used to connect the head to the boom.

13. Tighten each side equally.

14. Check/tighten boom to head rigging.

SHIPPING SUPPORT SHOULD BE PERPENDICULAR TO BOOM 90°

90° RIGGING SHOULD BE PERPENDICULAR TO BOOM

HARDWOOD BLOCK MAY BE USED TO SUPPORT BOOM TIP ON DECK. FD5195-024

2.15

Controls and Operation

Tigercat Bar Saw Felling Head

2.16

Tigercat Bar Saw Felling Head SECTION 3 - SERVICE AND MAINTENANCE CONTENTS - SECTION 3

ISSUE 3.0, JULY 2017

APPROVED HYDRAULIC OILS................................................................................................................ 3.6 AUXILIARY PRESSURE EARLY MACHINES WITHOUT TILT LOCK.......................................................................................... 3.28 EARLY MACHINES WITH PSB2215 TILT LOCK INSTALLATION....................................................... 3.32 EARLY MACHINES WITH TILT LOCK................................................................................................. 3.36 LATER MACHINES............................................................................................................................... 3.37 BAR SAW COMPONENTS...................................................................................................................... 3.14 BAR SAW HYDRAULIC TEST PROCEDURE FC5185 AND FW5185.......................................................................................................................... 3.70 FD5195.................................................................................................................................................3.66 CHAIN LUBRICATION............................................................................................................................. 3.20 RECOMMENDED CHAIN OIL................................................................................................................ 3.7 SAW CHAIN OIL SETUP...................................................................................................................... 3.45 CHAIN TENSION ADJUSTMENT OF MANUAL CHAIN TENSION................................................................................... 3.21 BLEEDING THE CHAIN TENSION SYSTEM....................................................................................... 3.24 CHECKING THE HYDRAULIC TENSION OPERATION...................................................................... 3.25 CHECKING THE HYDRAULIC TENSION PILOT VALVE (PRESSURE RELEASE) OPERATION...... 3.26 HYDRAULIC CHAIN TENSION............................................................................................................ 3.23 CLAMP ARMS..........................................................................................................................................3.52 CLAMP ARM PRESSURE ADJUSTMENT........................................................................................... 3.53 CLAMP ARM SPEED ADJUSTMENT................................................................................................... 3.54 CYLINDER - ASSEMBLY NOTES AND TORQUES CLAMP CYLINDER - 5185 AND 5195.................................................................................................. 3.18 CYLINDER CHECK VALVE.................................................................................................................. 3.16 CYLINDER IDENTIFICATION.............................................................................................................. 3.16 SAW BAR CYLINDER - 5185 AND 5195.............................................................................................. 3.17 TILT CYLINDER - 5195........................................................................................................................ 3.19 FIRE PREVENTION................................................................................................................................... 3.3 HEAD BLEED PROCEDURE................................................................................................................... 3.64 HEAD ROTATE PRESSURE AND SPEED ADJUSTMENT..................................................................... 3.55 LUBRICATION SCHEDULE FC5185.................................................................................................................................................3.10 FD5195...................................................................................................................................................3.8 FW5185................................................................................................................................................3.12 PRESSURE AND SPEED SETTINGS FC5185 AND FW5185.......................................................................................................................... 3.72 FD5195.................................................................................................................................................3.73 PREVENTIVE MAINTENANCE SCHEDULE............................................................................................. 3.3 REPLACING SAW BAR HYDRAULIC TENSION........................................................................................................................ 3.27 MANUAL TENSION.............................................................................................................................. 3.22 REPLACING SAW CHAIN HYDRAULIC TENSION........................................................................................................................ 3.24 MANUAL TENSION.............................................................................................................................. 3.22 ROTARY MANIFOLD FD5195................................................................................................................. 3.56

Service and Maintenance

Tigercat Bar Saw Felling Head

SAW BAR EXTEND AND RETRACT....................................................................................................... 3.44 SAW BAR EXTEND SPEED SETUP.................................................................................................... 3.45 SAW BAR PRESSURE............................................................................................................................ 3.27 SAW CONTROL MANIFOLD................................................................................................................... 3.14 HOSE CONNECTIONS AND FUNCTIONS.......................................................................................... 3.15 SAW CONTROL MANIFOLD HYDRAULIC SETUP PROCEDURE EARLY MACHINES WITHOUT TILT LOCK.......................................................................................... 3.29 EARLY MACHINES WITH PSB2215 TILT LOCK INSTALLATION....................................................... 3.33 FC5185.................................................................................................................................................3.42 MACHINES WITH TILT LOCK.............................................................................................................. 3.39 SAW MAIN PRESSURE (MOTOR ROTATE)........................................................................................... 3.46 SAW MOTOR CONTROL......................................................................................................................... 3.48 PRESSURE SETUP.............................................................................................................................. 3.49 SAW MOTOR SPEED ADJUSTMENT..................................................................................................... 3.47 SCHEDULED MAINTENANCE EVERY 8 HOURS................................................................................................................................... 3.4 EVERY 125 HOURS............................................................................................................................... 3.4 EVERY 250 HOURS............................................................................................................................... 3.5 SEASONAL............................................................................................................................................ 3.5 TILT DOWN SPEED ADJUSTMENT........................................................................................................ 3.59 TILT FLOAT..............................................................................................................................................3.56 TILT LOCK (OPTIONAL).......................................................................................................................... 3.60 CHECKING THE TILT LOCK FUNCTION............................................................................................ 3.63 TILT LOCK MANIFOLD........................................................................................................................ 3.61 TILT LOCK PRESSURE ADJUSTMENT............................................................................................... 3.62 TILT UP.....................................................................................................................................................3.50 TILT UP PRESSURE AND SPEED ADJUSTMENT................................................................................. 3.51 TOOLS BAR SAW ASSEMBLY - SPECIAL TOOLS AVAILABLE FROM TIGERCAT...................................... 3.103 WRIST ASSEMBLY - SPECIAL TOOLS AVAILABLE FROM TIGERCAT............................................. 3.98 TOOL SIZE CHART - BAR SAW ASSEMBLY........................................................................................ 3.102 TORQUE CHART................................................................................................................................... 3.104 TORQUE, FLUID CONNECTIONS................................................................................ 3.106, 3.107, 3.108 TORQUE SPECIFICATIONS - GENERAL............................................................................................. 3.105 WEIGHTS OF COMMERCIAL WOOD................................................................................................... 3.109 WRIST ASSEMBLY - HIGH TORQUE...................................................................................................... 3.76 MOTOR AND OUTPUT SHAFT CONVERTING RIGHT HAND AND LEFT HAND.............................. 3.97 WRIST ASSEMBLY - STANDARD TORQUE........................................................................................... 3.74 OUTPUT SHAFT DISASSEMBLY/ASSEMBLY..................................................................................... 3.92 WRIST BEARING MOUNTING TORQUE SEQUENCE......................................................................... 3.101 WRIST BEARING SEAL REPLACEMENT............................................................................................... 3.99 WRIST BEARING WEAR LIMITS.......................................................................................................... 3.100 WRIST CONTROL MANIFOLD................................................................................................................ 3.80 WRIST GENERAL SETUP PROCEDURE............................................................................................... 3.81 ADJUST COUNTERBALANCE VALVE (HOLDING) PRESSURE........................................................ 3.84 ADJUST WRIST ROTATE SPEED (CYCLE TIME).............................................................................. 3.91 CHECK CASE PRESSURE.................................................................................................................. 3.83 INITIAL START-UP PROCEDURE....................................................................................................... 3.82 WRIST ELECTRONIC ADJUSTMENT PROCEDURE......................................................................... 3.88 WRIST HYDRAULIC CIRCUIT DESCRIPTION....................................................................................... 3.78 WRIST TROUBLESHOOTING................................................................................................................. 3.81

3.2

Tigercat Bar Saw Felling Head PREVENTIVE MAINTENANCE SCHEDULE

Service and Maintenance

FIRE PREVENTION Fire can result in a machine loss which can be financially devastating.

NEW MACHINE MAINTENANCE

1. Pine needles and bark when allowed to accumulate, form a fuel source that when ignited is extremely difficult to extinguish. A thorough program of regular cleaning and washing will reduce the possibility of a fire starting. In the event a fire does start, the regular cleaning program will improve the chances of successfully extinguishing a fire.

INITIAL PRE-DELIVERY INSPECTION Perform the initial pre-delivery inspection using Tigercat form number 5373 PDI and 125 hour inspection report.

FIRST 125 HOUR INSPECTION AND SERVICE REPORT With the owner’s mechanic present, perform an inspection and service according to the Tigercat form number 5373 PDI and 125 hour inspection report.

2. Pay close attention to wiring and plumbing routing during maintenance, ensure that ALL wiring harnesses or hydraulic hoses are properly restrained and clamped to prevent damage from chaffing.

This must be completed within the first 125 hour time frame.

3. In case of fire lower the boom system to the ground and shut off the engine before discharging the fire suppression system.

IMPORTANT! To qualify for continued warranty, this report must be completed and returned to Tigercat Industries Inc. Warranty department.

Also refer to FIRE PREVENTION in SECTION 1 of THIS MANUAL for additional information.

• Clean around filler caps before checking or adding fluids.

• Clean around hydraulic fittings before breaking connection. Plug or cap immediately.

• Clean up all spills immediately.

• Always use clean oil and containers.

• Drain dirty oil while still warm.

• Do not exceed recommended fluid levels.

• Always have a fire extinguisher at hand.

TIGHTENING POINTS All hydraulic connections Hose clamps All cylinder and boom pin retainers Any other loose nut, bolt or fitting

3.3

Service and Maintenance

Tigercat Bar Saw Felling Head

SCHEDULED MAINTENANCE

* USE LITHIUM BASED EP2 GREASE CONTAINING 3% - 5% MOLYBDENUM DISULFIDE OR CALCIUM SULFONATE BASED EP2 GREASE FOR BUSHINGS.

FREQUENTLY • Check saw bar, chain and sprocket for wear, damage, sharpness of chain, proper tension, integrity of mounting hardware. Replace saw bar, chain and or sprocket as necessary.

Repair or replace any damaged saw component mounts or hardware.

** A NON-MOLYBDENUM EP2 GREASE IS RECOMMENDED FOR THE SAW UNIT SWIVEL BEARINGS.

Refer to PREVENTIVE MAINTENANCE SCHEDULE – LUBRICATION POINTS for each model in THIS SECTION for exact number and location of fittings.

• Clean the felling head. Remove all debris, dirt, ice, packed snow.

Refer also to base machine service manual.

• Check chain lubrication oil level. Refill as necessary.

EVERY 125 HOURS

EVERY 8 HOURS

PERFORM

• Fill chain lubrication reservoir. Clean the area around the reservoir cap of all debris and dirt and remove the cap. Fill with chain oil per the recommended chain oil chart.

• 8 hour maintenance CHECK • Torque tightening points as per new machine maintenance.

CHECK • For loose nuts, bolts and fittings and tighten as required.

• FC5185 and FW5185 saw unit mount springs.

Replace if saw unit does not return to up position.

• Saw chain condition. Inspect saw chain for excessive wear, cracking, or broken teeth.

Replace chain if necessary.

VISUALLY CHECK FOR DAMAGE TO

• Conduct overall visual inspection. Check valves, motors, cylinders, and all hoses for leaks or wear. Tighten or replace fittings and hoses as necessary.

VISUALLY INSPECT FOR

• Inspect felling head and boom attachment for damage. Make repairs immediately.

• Signs of cracks beginning in the frame. Failure to properly repair cracks in structures in a timely manner can result in component failure and costly repairs which are not covered under warranty.

CLEAN • Remove potentially damaging limbs or sticks.

LUBRICATE ALL GREASE FITTINGS

LUBRICATE

• Left clamp arm, 2 fittings purge* • Left clamp arm cylinder, 2 fittings purge*

• For FC5185 and FW5185 saw unit mounting pin bushings, 4 fittings, 3 shots each.

• Right clamp arm, 2 fittings purge* • Right clamp arm cylinder, 2 fittings purge* • Saw cylinder 2 fittings purge* • Saw unit 1 fitting 3 shots at 0°, 45°, 90° ** • For FC5185 with 340° wrist lubricate wrist bearing 2 or 3 fittings, 4 shots every 45° stop to stop* • For FC5185 with 340° wrist lubricate wrist pinions 3 fittings,10 shots at each fitting* • For FD5195 greaseable pins, 6 fittings purge* • For FD5195 tilt frame slew bearing, 2 fittings, 4 shots every 45° at each fitting* • For FD5195 tilt frame rotator pinion, 1 fitting, 4 shots every 45° one full rotation* • For FD5195 tilt cylinders, 4 fittings purge* 3.4

Tigercat Bar Saw Felling Head EVERY 250 HOURS

Service and Maintenance WARNING

PERFORM

Pay attention to all safety instructions outlined in section 1 of this manual.

Use recommended safety stands and devices when called for.

Always block wheels or tracks of carrier.

Work on solid ground.

• 8 hour maintenance.

• 125 hour maintenance.

CHECK • Manifold mounting bolts.

• FD5195 tilt stops and replace as required.

• Saw assembly mounting bolts and saw motor mounting bolts.

CAUTION Changing the saw bar, saw chain, cleaning, lubrication or other maintenance must never be done while the machine’s engine is running.

SEASONAL • Change bar chain oil to recommended seasonal oil.

Always ensure that the engine is OFF Remove chain when making adjustments or servicing the saw unit.

Always use protective gloves when working with saw chain and hydraulic oil.

3.5

Service and Maintenance

Tigercat Bar Saw Felling Head

APPROVED HYDRAULIC OILS

3.6

Tigercat Bar Saw Felling Head

Service and Maintenance

RECOMMENDED OIL AND LUBRICANTS

Recommended Chain Oil Viscosity

Supplier

Brand Name

Pour Point

Flash Point

200 cSt @ 40°C 60 cSt @ 40°C

ESSO ESSO

HD Chain Oil (Summer) Light Chain Oil (Winter)

Minus 15°C max Minus 33°C max

260°C 200°C

Mobil Mobilux EP - 2

BP EPEnegrease EP - 2

Petro Canada Supreme EP - 2

Recommended Lubricants Esso Beacon EP - 2

Shell Alvania EP - 2

CHAIN OIL.XL

3.7

Service and Maintenance

Tigercat Bar Saw Felling Head

LUBRICATION SCHEDULE - FD5195

Refer to the SCHEDULED MAINTENANCE and the following chart and illustrations to determine frequency and location of lubrication points: Tigercat® FD5195 BAR SAW FELLING HEAD LUBRICATION AND MAINTENANCE SCHEDULE

1 2 3 4 5 6 7 8 9 10 11 12

LEFT CLAMP ARM LEFT CLAMP ARM CYLINDER RIGHT CLAMP ARM RIGHT CLAMP ARM CYLINDER GREASABLE PIN TILT CYLINDERS SAW CYLINDER ROTATOR BEARING ROTATOR PINION SAW UNIT TILT FRAME STOP PADS CHAIN OIL

LUB LUB LUB LUB LUB LUB LUB LUB LUB LUB CHK

QTY

USG

LITRE

3000 

2000 

1000 

500 

250 

8

ITEM NO.

DESCRIPTION

125 

REFER TO Tigercat OPERATOR'S MANUAL FOR FURTHER INFORMATION SERVICE EVERY CAPACITY REMARKS/LUBRICANT

2 2 2 2 6 4 2 2 1 1

PURGE* PURGE* PURGE* PURGE* PURGE* PURGE* PURGE* 4 SHOTS EVERY 45º * 4 SHOTS EVERY 45º * 3 SHOTS AT 0º, 45º, 90º *

1

See recommended chain oil in this section

REP

CHK

19

5

*LITHIUM BASED EP2 GREASE CONTAINING 3%-5% MOLYBDENUM DISULFIDE

LEGEND: LUB - LUBRICATE REP - REPLACE CHK - CHECK

5

5

6

12 12

LATER

FD5195-106 DESIGN

11 FD5195-001

FD5195 SERVICE POSITION

FD5195-002

3.8

FD5195 SERVICE POSITION

Tigercat Bar Saw Felling Head

Service and Maintenance

6 4

5

2

10

3

1

7

9 8 11

TILT FRAME FD5195-001 FD5195-002

LUBRICATION POINTS 3.9

Service and Maintenance

Tigercat Bar Saw Felling Head

LUBRICATION SCHEDULE - FC5185

Refer to the SCHEDULED MAINTENANCE and the following chart and illustrations to determine frequency and location of lubrication points: Tigercat® FC5185 BAR SAW FELLING HEAD LUBRICATION AND MAINTENANCE SCHEDULE

USG

QTY

LITRE

3000 

2000 

1000 

500 

LEFT CLAMP ARM LEFT CLAMP ARM CYLINDER RIGHT CLAMP ARM RIGHT CLAMP ARM CYLINDER SAW CYLINDER SAW UNIT SAW UNIT MOUNTING PIN BUSHINGS WRIST BEARING (340º EARLY WRIST) WRIST BEARING (340º LATER WRIST) WRIST PINIONS (340º WRIST) CHAIN OIL

250 

1 2 3 4 5 6 7 8 9 10 11

125 

DESCRIPTION 8

ITEM NO.

REFER TO Tigercat OPERATOR'S MANUAL FOR FURTHER INFORMATION SERVICE EVERY CAPACITY

5

2 2 2 2 2 1 4 2 3 3 1

LUB LUB LUB LUB LUB LUB LUB LUB LUB LUB CHK

19

REMARKS/LUBRICANT PURGE* PURGE* PURGE* PURGE* PURGE* 3 SHOTS AT 0º, 45º, 90º * 3 SHOTS AT EACH FITTING 4 SHOTS EVERY 45º STOP TO STOP * 4 SHOTS EVERY 45º STOP TO STOP * 10 SHOTS AT EACH FITTING* See recommended chain oil in this section

*LITHIUM BASED EP2 GREASE CONTAINING 3%-5% MOLYBDENUM DISULFIDE

LEGEND: LUB - LUBRICATE REP - REPLACE CHK - CHECK

VIEW 'B'

10

WRIST BEARING LUBRICATION (EARLIER DESIGN)

WRIST BEARING

'B'

WRIST BEARING LUBRICATION (LATER DESIGN) 8 WRIST BEARING

SAW139X WRIST-100

10

VIEW 'A'

9

WRIST PINIONS 3-PLACES

340° WRIST LUBRICATION - FC5185

3.10

'A'

Tigercat Bar Saw Felling Head

Service and Maintenance

4

7

7

2

5

11

1

3

6

5

FC5185-001X

LUBRICATION POINTS 3.11

Service and Maintenance

Tigercat Bar Saw Felling Head

LUBRICATION SCHEDULE - FW5185

Refer to the SCHEDULED MAINTENANCE and the following chart and illustrations to determine frequency and location of lubrication points: Tigercat® FW5185 BAR SAW FELLING HEAD LUBRICATION AND MAINTENANCE SCHEDULE

USG

QTY

LITRE

3000 

2000 

1000 

500 

LEFT CLAMP ARM LEFT CLAMP ARM CYLINDER RIGHT CLAMP ARM RIGHT CLAMP ARM CYLINDER SAW CYLINDER SAW UNIT SAW UNIT MOUNTING PIN BUSHINGS CHAIN OIL

250 

1 2 3 4 5 6 7 8

125 

DESCRIPTION 8

ITEM NO.

REFER TO Tigercat OPERATOR'S MANUAL FOR FURTHER INFORMATION SERVICE EVERY CAPACITY

5

2 2 2 2 2 1 4 1

LUB LUB LUB LUB LUB LUB LUB CHK

19

*LITHIUM BASED EP2 GREASE CONTAINING 3%-5% MOLYBDENUM DISULFIDE

3.12

REMARKS/LUBRICANT PURGE* PURGE* PURGE* PURGE* PURGE* 3 SHOTS AT 0º, 45º, 90º * 3 SHOTS AT EACH FITTING See recommended chain oil in this section LEGEND: LUB - LUBRICATE REP - REPLACE CHK - CHECK

Tigercat Bar Saw Felling Head

Service and Maintenance

4

7

7 2

5

8

3

1 6

5

FW5185-001

LUBRICATION POINTS 3.13

Service and Maintenance

Tigercat Bar Saw Felling Head

BAR SAW COMPONENTS

SAW CONTROL MANIFOLD

The bar saw is designed for 3/4” pitch saw chains and saw bars.

The saw control manifold is bolted directly to the saw motor. It incorporates the chain lubrication pump, saw motor speed control, bar feed cylinder pressure and feed control, and optional hydraulic tension control.

The bar saw can be equipped with a manual, hydraulic or manual tension bar holder. Manual tension version is shown.

BAR SAW CYLINDER

BAR

CHAIN

SAW MOTOR

BAR HOLDER

FD5195-015

SAW CONTROL MANIFOLD

SAW UNIT MOTOR FC5185-005

FD5195-008

SAW CONTROL MANIFOLD

BAR SAW

SAW HYDRAULIC SCHEMATIC 3.14

Tigercat Bar Saw Felling Head

Service and Maintenance

MANIFOLD CONNECTIONS TO MACHINE

MANIFOLD SAW FUNCTIONS

1. D1 Case drain

A. DCV2 Saw motor start control valve

2. T1 Tank

B. COMP Saw motor speed control

3. P1 Pressure

C. RET Retract bar

4. DCV1 Saw bar feed control valve

D. EXT Extend bar

5. D2 Saw motor case drain and check valve

E. PRV1 Bar extend/retract pressure F.

5

CV1 Anti-cavitation check valve

G. PRV2 Optional hydraulic tensioner pressure H

G1 Test port PRV1 pressure

J.

G2 Test port PRV2 pressure

K. FCRET Flow control retract bar (if equipped)

1

L. FCEXT Flow control extend bar 4

2 3 53189B06

MACHINE CONNECTIONS

A

MANIFOLD CHAIN LUBRICATION CONNECTIONS

G B

1. OIL B - chain oil to bar

C

2. OIL A - chain oil from tank

D

3. Screw oil volume adjustment

F E

4. FC OIL - oil flow rate H

J

1

2 53189B13

3

4 K

CHAIN LUBRICATION CONNECTIONS

53189B13-1 53189B13

3.15

SAW FUNCTIONS

L

Service and Maintenance

Tigercat Bar Saw Felling Head

CYLINDERS

CYLINDER CHECK VALVE

CYLINDER IDENTIFICATION

The clamp (5185 and 5195) and tilt (5195) cylinders are equipped with a base end cushion. A check valve is incorporated to allow fast extension out of the cylinder. The clamp cylinders have a cushion on the rod end of the cylinder, refer to CLAMP CYLINDER - 5185 AND 5195 in this section.

The cylinder part number is stamped on the cylinder. Refer to the illustration for a typical stamp location. Refer to the applicable Parts Catalog to identify the repair parts and seal kits.

Check valve torque is 50 N-m (37 lbf-ft).

PART NUMBER STAMP

575-549

TYPICAL CYLINDER

575-538

575-539 575-557

3.16

TYPICAL CYLINDER CHECK VALVE

Tigercat Bar Saw Felling Head

Service and Maintenance

CYLINDER - ASSEMBLY NOTES AND TORQUES SAW BAR CYLINDER - 5185 AND 5195 1. Note the direction of the wiper seal and install with Loctite #271.

2. Gland bolt torque lubricated = 38 N-m (28 lbfft).

3. Piston nut torque lubricated = 442-486 N-m (326-359 lbf-ft).

4. Install the spiral retaining ring (later cylinder).

Ensure that the ring is fully seated in the groove.

FD5195-032

FD5195-033

EARLY SAW BAR CYLINDER

FD5195-030

FD5195-035

FD5195-034

FD5195-031

LATER SAW BAR CYLINDER 3.17

Service and Maintenance

Tigercat Bar Saw Felling Head

CLAMP CYLINDER - 5185 AND 5195 1. Note the direction of the wiper seal and install with Loctite #271.

2. Gland bolt torque lubricated = 108-115 N-m (80-85 lbf-ft).

3. Use a new rear piston when rebuilding the cylinder. Use Tigercat tool 33891B to torque piston. Piston torque lubricated = 2373 N-m (1750 lbf-ft).

4. Install the spiral retaining ring (later cylinder).

Ensure that the ring is fully seated in the groove.

FD5195-036

FD5195-039

FD5195-038

EARLY CLAMP CYLINDER

FD5195-037

FD5195-041

FD5195-042

FD5195-040

TOOL 33891B

LATER CAMP CYLINDER

3.18

Tigercat Bar Saw Felling Head TILT CYLINDER - 5195 1. Note the direction of the wiper seal and install with Loctite #271.

2. Gland bolt torque lubricated = 32 N-m (24 lbfft).

3. Piston torque lubricated = 1708 N-m (1260 lbf-ft).

4. Install the spiral retaining ring. Ensure that the ring is fully seated in the groove.

FD5195-044

FD5195-045

FD5195-043

TILT CYLINDER

3.19

Service and Maintenance

Service and Maintenance

Tigercat Bar Saw Felling Head

CHAIN LUBRICATION The chain lubrication pump supplies oil to the chain during the bar extend stroke and recharges when the bar retracts. The lubrication pump is supplied oil from the oil tank, located in the horn at the top of the frame. A strainer is mounted in the tank to prevent large particles from being drawn into the pump. A vent is mounted in the tank filler cap to prevent pressure build up. An external check valve mounted on the saw control manifold Oil A port prevents back flow to the tank when the pump strokes to supply oil to the chain.

An external check valve mounted on the saw control manifold Oil B port blocks the oil pump outlet to ensure maximum suction during the pump recharge cycle. Tank filler cap 48 mm (1 7/8 in) wrench.

The lubrication oil tank has a capacity of approximately 19L (5 US gal). There is a baffle in the tank to prevent sloshing and oil spillage.

Overfilling may result in oil spilling out the breather or being forced out the pump in certain head positions.

SUCTION STRAINER

OIL TANK SUCTION STRAINER - FC5185

FC5185-025

SUCTION STRAINER

FD5195-025

OIL TANK SUCTION STRAINER - FD5195

NOTE: The FD5195 maximum oil capacity is achieved when the head is in the service position as shown.

There is also a suction strainer (100 mesh screen) used to filter the oil as it is pumped to the chain from the reservoir. The suction strainer requires a 38 mm (1 1/2 in) wrench.

REFILL CHAIN OIL REFILL CHAIN OIL

FC5185-001

FC5185

REFILL CHAIN OIL

FD5195-002

FD5195 SERVICE POSITION

REFILL CHAIN OIL (TOP OF FRAME)

FW5185-001

FW5185

FD5195-106

3.20

FD5195 (LATER DESIGN)

Tigercat Bar Saw Felling Head

Service and Maintenance

ADJUSTMENT OF MANUAL CHAIN TENSION

CAUTION

Proper chain tension is required to minimize chain and guide bar wear. The chain should be tight enough that cutter bottoms are pulled firmly against the guide bar. Correctly tensioned it should be possible to pull the chain with thumb and forefinger grip at mid span away from the bar rails roughly 3.2 mm (1/8 inch), for a sprocket nose bar.

Changing the saw bar, saw chain, cleaning, lubrication or other maintenance must never be done while the machine’s engine is running.

Always ensure that the engine is OFF Remove chain when making adjustments or servicing the saw unit.

Tension should be checked frequently. Note that because the chain expands with heat a chain that is uncomfortably hot to the touch should be allowed to cool before re tensioning.

Always use protective gloves when working with saw chain and hydraulic oil.

A chain that repeatedly jumps the guide bar may indicate that the chain tension is too loose.

Abnormal wear of the chain or bar may indicate that chain tension is set too tight. Chain tension that is too tight it will cause premature failure of the saw motor shaft bearings.

1. Park machine on firm level ground with the boom fully extended and the head positioned firmly on the ground and tilted back for access to the saw unit.

2. Turn pilot switch OFF, engage swing brake (track machines), engage parking brake (wheeled machines) and turn off the engine.

Block tracks or wheels.

LONG PIN BOLT

3. Release the clamping plate before adjusting the chain tension. Note that attempting to adjust tension without releasing the clamp plate will cause component damage. Loosen the long pin nut, tap the bottom of the pin to loosen the pin and release the clamping plate.

4. Turn the tension adjusting nut to adjust chain tension. Turn clockwise to tighten chain and counterclockwise to loosen chain.

5. Torque the pin nuts to 60 N-m (45 lbf-ft). The clamping plate should be tight. If problems are encountered it may be due to sawdust or other debris. It will be necessary to disassemble and clean the bar holder.

SHORT PIN BOLT

BAR GUIDE PIN

BAR DOWEL PIN

CLAMPING PLATE

ADJUSTING BLOCK

MANUAL SLIDING BODY

TENSION ADJUSTING SCREW BUSHING

BUSHING SPLIT PIN TENSION ADJUSTING NUT 19 mm

BAR PLATE

SHORT PIN NUT (M24) 36 mm

LONG PIN NUT (M24) 36 mm FC5185-006

MANUAL TENSION BAR HOLDER 3.21

Service and Maintenance

Tigercat Bar Saw Felling Head

REPLACING SAW CHAIN - MANUAL TENSION

REPLACING SAW BAR - MANUAL TENSION

1. Park machine on firm level ground with the boom fully extended and the head positioned firmly on the ground and tilted back for access to the saw unit.

1. Park machine on firm level ground with the boom fully extended and the head positioned firmly on the ground and tilted back for access to the saw unit.

2. Turn pilot switch OFF, engage swing brake (track machines), engage parking brake (wheeled machines) and turn off the engine.

Block tracks or wheels.

3. Release the clamping plate to loosen the chain tension.

2. Turn pilot switch OFF, engage swing brake (track machines), engage parking brake (wheeled machines) and turn off the engine.

Block tracks or wheels.

3. Remove the saw chain. Refer to REPLACING SAW CHAIN - MANUAL TENSION in this section.

Loosen the long pin nut, tap the bottom of the pin to loosen the pin and release the clamping plate.

4. Turn the adjusting nut counterclockwise to loosen chain.

5. Replace chain.

If problems are encountered due to sawdust or other debris it may be necessary to disassemble and clean the bar holder.

6. Adjust chain tension. Refer to ADJUSTMENT OF MANUAL CHAIN TENSION in this section.

7. Operate the saw carefully a few times to ensure proper operation.

4. Loosen the short pin nut enough to allow the bar plate to drop down releasing the bar from the bar pins at the tail of the bar. It may be necessary to move the bar up and down to release it.

5. Clean out any sawdust or other debris to ensure a proper installation.

6. Install the new bar ensuring the tail of the bar engages the two bar pins. Torque the pin nuts to 60 N-m (45 lbf-ft).

7. Replace saw chain. Refer to REPLACING SAW CHAIN - MANUAL TENSION in this section.

CAUTION Changing the saw bar, saw chain, cleaning, lubrication or other maintenance must never be done while the machine’s engine is running.

Always ensure that the engine is OFF Remove chain when making adjustments or servicing the saw unit.

Always use protective gloves when working with saw chain and hydraulic oil.

3.22

Tigercat Bar Saw Felling Head

Service and Maintenance

HYDRAULIC CHAIN TENSION Proper chain tension is required to minimize chain and guide bar wear. Tension should be checked frequently. Note that the chain expands with heat.

A chain that is uncomfortably hot to the touch should be allowed to cool before re tensioning.

If a chain repeatedly jumps the guide bar the problem may either be air in the tensioning system or the chain tension is too loose.

First bleed the system. Refer to BLEEDING THE CHAIN TENSION SYSTEM in this section.

If the problem persists chain tension pressure may need to be adjusted. Tensioning pressure is measured at ‘G2’ on the saw control manifold.

Abnormal wear of the chain or bar may indicate that chain tension is set too tight.

For chain tension pressure adjustment, refer to SAW CONTROL MANIFOLD HYDRAULIC SETUP PROCEDURE for the appropriate machine in this section.

FD5195-010

CHAIN TENSION HYDRAULIC SCHEMATIC

3.23

Service and Maintenance

Tigercat Bar Saw Felling Head

BLEEDING THE CHAIN TENSION SYSTEM

REPLACING SAW CHAIN - HYDRAULIC TENSION

Always bleed the system if there is any suspicion of air having entered the system, for example, after replacing a hose or other components. Air in the system may also cause the chain to jump the guide bar.

1. Park the machine on firm level ground with the boom fully extended and the head positioned firmly on the ground and tilted back for access to the saw unit.

1. Park the machine on firm level ground with the boom fully extended and the head positioned firmly on the ground and tilted back for access.

If possible position the saw unit so that the bleed screw is as high as possible in relation to the tension pistons. Hydraulic oil must be at operating temperature.

2. Turn the pilot switch off, engage the swing brake (track machines), engage the parking brake (wheeled machines) and turn off the engine. Block tracks or wheels.

2. Turn the pilot switch off, engage the swing brake (track machines), engage the parking brake (wheeled machines) and turn off the engine. Block tracks or wheels.

3. Remove the saw chain. Refer to REPLACING SAW CHAIN - HYDRAULIC TENSION in this section.

62600B

3. Position the bar retraction tool (Tigercat part number 62600B) on the tension device and the bar holder.

PORT PLUGS (2)

BLEED SCREW

FD5195-037

BAR RETRACTION TOOL

LONG PIN BOLT

BLEED SCREW

4. Open the bleed screw 1-2 turns. Crack open the 2 port plugs on the end of the housing.

5. Start the engine and hold the bar retract control until the oil coming from the bleed screw and port plugs are free from air.

6. Close the bleed screw and port plugs.

7. Turn the pilot switch OFF, and turn off the engine.

FD5195-035

4. Position the wrench end on the top of the long pin bolt.

8. Install the saw chain. Refer to REPLACING SAW CHAIN - HYDRAULIC TENSION in this section.

RETRACT TOOL BOLT

FD5195-036

5. Position the hook end on the retract tool bolt.

3.24

Tigercat Bar Saw Felling Head PILOT VALVE LOCKING PIN

FD5195-037

6. While pressing the pilot valve pull the retraction tool lever to compress the tensioning device. When the bar holder is fully retracted, press the locking pin on the tension to lock it in position.

Service and Maintenance

CHECKING THE HYDRAULIC TENSION OPERATION 1. Park the machine on firm level ground with the boom fully extended and the head positioned firmly on the ground and tilted back for access to the saw unit. Set the engine speed control to low idle.

2. Press and hold the BAR EXTEND button and shut off the engine.

7. Replace chain. If problems are encountered due to sawdust or other debris it will be necessary to disassemble and clean the bar holder.

8. Slowly pull the retraction tool lever until the locking pin on the tension unit disengages.

9. Remove the tool.

10. Operate the saw carefully a few times to secure the pressure in the chain tensioning device.

If after replacing a chain it repeatedly jumps off the saw bar, refer to: CHECKING THE HYDRAULIC TENSIONING OPERATION in this section.

CHECKING THE HYDRAULIC TENSIONING PILOT VALVE (PRESSURE RELEASE) OPERATION in this section.

FD5195-035

BAR RETRACTION TOOL

PILOT VALVE

3. Using the bar retraction tool, attempt to compress the bar holder. This should be difficult or impossible without pressing the pilot valve (pressure release button) on the side of the tension housing.

4. If any sponginess is felt, bleed the tension housing. Refer to BLEEDING THE CHAIN TENSION SYSTEM in this section and repeat the test.

5. If after bleeding the chain tension system the chain repeatedly jumps off the saw bar, refer to CHECKING THE HYDRAULIC TENSION PILOT VALVE (PRESSURE RELEASE) OPERATION in this section.

3.25

Service and Maintenance

Tigercat Bar Saw Felling Head

CHECKING THE HYDRAULIC TENSION PILOT VALVE (PRESSURE RELEASE) OPERATION 1. Park the machine on firm level ground with the boom fully extended and the head positioned firmly on the ground and tilted back for access to the saw unit.

2. Turn the pilot switch off, engage the swing brake (track machines), engage the parking brake (wheeled machines) and turn off the engine. Block tracks or wheels.

3. Remove the saw chain. Refer to REPLACING SAW CHAIN - HYDRAULIC TENSION in this section.

PILOT VALVE COVER PLATE

PLUNGER

1.254 1.254”

FD5195-029

8. With the check valve installed and seated in the housing, use a vernier caliper to measure from the face of the check valve to the edge of the housing as shown. Correct measurement is 1.254” minimum. If the dimension is less than 1.254” the check valve is not seated in the housing. Remove the check valve and inspect for thread damage. Replace the check valve if necessary and recheck the dimension.

Do not proceed until the correct (minimum) measurement has been achieved.

O-RING

FD5195-028 FC5185-007

4. Remove the pilot valve cover plate and plunger.

SPRING RESTRICTOR PLATE PLUG

FD5195-028

5. Remove the check valve plug, restrictor plate, and spring.

6. Inspect the spring and restrictor plate for damage and replace if necessary. Clean any debris from the housing bore.

7. Install the spring and check valve assembly.

Ensure the restrictor plate groove is facing the check valve body as shown.

FD5195-028

SEAL

9. Remove the O-ring from the plunger and seal from the cover plate.

10. Install the plunger in the housing without the seals. The plunger should be free to move without restriction.

11. After inserting the plunger (without seals) you should feel when the plunger contacts the check valve restrictor plate and spring.

Before installing the cover plate, observe if the step on the plunger is below the cover plate mounting surface. If the step is difficult to observe, install the cover plate and then try to move the plunger. You should be able to feel the plunger engage and disengage the check valve.

12. Remove the plunger and cover plate. Install a new O-ring on the plunger and seal in the cover plate and reinstall. Check the operation of the pilot valve and the hydraulic tensioning, refer to CHECKING THE HYDRAULIC TENSION OPERATION in this section.

13. Install the saw chain. Refer to REPLACING SAW CHAIN - HYDRAULIC TENSION in this section.

3.26

Tigercat Bar Saw Felling Head

Service and Maintenance

REPLACING SAW BAR - HYDRAULIC TENSION

SAW BAR PRESSURE

1. Park the machine on firm level ground with the boom fully extended and the head positioned firmly on the ground and tilted back for access to the saw unit.

Saw bar pressure is supplied by the PRV1 on the saw manifold. The PRV1 controls the force that the saw bar pushes the chain against the tree during the saw cut.

2. Turn the pilot switch off, engage the swing brake (track machines), engage the parking brake (wheeled machines) and turn off the engine. Block tracks or wheels.

The PRV1 is supplied by pressure fed into P1 of the saw manifold.

3. Remove the saw chain. Refer to REPLACING SAW CHAIN - HYDRAULIC TENSION in this section.

4. Loosen the long pin and short pin nuts enough to allow the bar plate to drop down releasing the bar from the bar pins at the tail of the bar.

It may be necessary to move the bar up and down to release it.

5. Clean out any sawdust or other debris to ensure a proper installation.

6. Install the new bar ensuring the tail of the bar engages the two bar pins. Torque the pin nuts to 60 N-m (45 lbf-ft).

7. Install the saw chain. Refer to REPLACING SAW CHAIN - HYDRAULIC TENSION in this section.

BAR PIN GUIDE

P1 pressure is supplied by the main pump either from the A port on the saw section of the main valve on the machine or from a reduced pressure supply valve on the machine.

The saw section provides high pressure and high flow during the sawing operation. The reduced pressure valve supplies lower pressure and lower flow for manually controlling the saw bar when the saw is not active, this is called auxiliary supply pressure.

When the saw is not active, the reduced pressure (auxiliary supply) valve supplies pressure through the bar supply solenoid operated control valve.

For saw bar pressure adjustment refer to SAW CONTROL MANIFOLD HYDRAULIC SETUP PROCEDURE for the appropriate machine in this section.

SHORT PIN BOLT

LONG PIN BOLT BAR PIN HYDRAULIC SLIDING BODY

BAR PLATE LONG PIN NUT (M24)

FC5185-006

SHORT PIN NUT (M24)

HYDRAULIC TENSION BAR HOLDER

3.27

Service and Maintenance

Tigercat Bar Saw Felling Head

AUXILIARY PRESSURE (S855C) EARLY MACHINES WITHOUT TILT LOCK Saw bar pressure is supplied by the main pump via a pressure reducing valve.

NOTE: Saw bar retract speed is affected by the pressure reducing valve setting. Lower pressure slower speed. Higher pressure higher speed.

Saw bar pressure passes through the bar supply pressure solenoid operated control valve to the main valve saw section A port. When the bar supply pressure control valve is activated by the computer control system saw bar pressure is available to extend or retract the bar via the P1 port on the saw manifold.

FD5195-0105

PRESSURE REDUCING VALVE (S855C)

TILT FLOAT (5195)

BAR SUPPLY PRESSURE CONTROL VALVE FROM MAIN PUMP BAR SUPPLY PRESSURE REDUCING VALVE

TO CLAMP CIRCUIT

FD5195-011

SAW CIRCUIT TO ‘P1’ ON SAW MANIFOLD (5185)

SAW CIRCUIT TO ‘T1’ ON SAW MANIFOLD (5185)

TO ‘P’ ON ROTARY MANIFOLD (5195)

TO ‘T’ ON ROTARY MANIFOLD (5195)

TO ROTATE MOTOR CIRCUIT (5195)

BAR SUPPLY PRESSURE SCHEMATIC (EARLY MACHINE WITHOUT TILT LOCK)

3.28

Tigercat Bar Saw Felling Head

Service and Maintenance

SAW CONTROL MANIFOLD HYDRAULIC SETUP PROCEDURE - (EARLY MACHINES WITHOUT TILT LOCK) (FD5195 ON S855C) The following procedure outlines adjustments for: a. PRV1 bar pressure b. PRV2 chain tension

G1 TEST PORT

c.

G2 TEST PORT

Bar supply pressure reducing valve

d. DCV2 saw motor control NOTE: Hydraulic oil must be at operating temperature.

FD5195-015

SAW MANIFOLD

1. Park the machine on firm level ground with the stick boom fully extended to prevent boom creep. Set the head firmly on the ground with the tilt up locks installed.

B

2. Close the clamp arms.

A

3. Turn the pilot switch off, engage the swing brake and turn off the engine. Block the tracks.

4. Remove the saw manifold cover.

‘LS’ TEST PORT

5. Remove the saw chain. Refer to REPLACING SAW CHAIN - HYDRAULIC TENSION in this section.

53165B

‘P’ TEST PORT

EARLY MAIN VALVE (S855C SHOWN)

‘LS’ TEST PORT

‘P’ TEST PORT

61713B04

LATER MAIN VALVE (S855C SHOWN)

6. Connect 0-345 bar (0-5000 psi) pressure gauges to test port ‘G1’ and ‘G2’ on the saw manifold and test port ‘P’ on the machine main valve.

3.29

Service and Maintenance

Tigercat Bar Saw Felling Head DCV2 SAW MOTOR CONTROL

PRV1 BAR PRESSURE

FD5195-016

FD5195-016

SAW MANIFOLD

SAW MANIFOLD

7. Temporarily bottom in (lightly) the saw motor control DCV2 adjusting screw on the saw manifold. This prevents the saw motor from spinning.

8. Start the engine and set the engine speed control to low idle.

G1 TEST PORT

9. Turn the pilot system on.

FD5195-015

SAW MANIFOLD

11. Press and hold the SAW BAR RETRACT button. Adjust the PRV1 (bar pressure) to 83 bar (1200 psi) measured at ‘G1’ test port.

NOTE: Later saw motors with internal flushing will spin at approximately 30 rpm.

PRESSURE ADJUSTMENT

FD5195-0105

PRESSURE REDUCING VALVE (S855C)

10. Adjust the pressure reducing valve to 107 bar (1550 psi) measured at the P test port.

3.30

Tigercat Bar Saw Felling Head

Service and Maintenance DCV2 SAW MOTOR CONTROL

PRV2 SAW CHAIN TENSION

G2 TEST PORT

SAW MANIFOLD 12. Press and hold the SAW BAR RETRACT button. Adjust the PRV2 (chain tension pressure) to 55 bar (800 psi) measured at ‘G2’ test port.

FD5195-015

FD5195-016

SAW MANIFOLD

14. Turn the saw switch off and tap the saw button. Press and hold the SAW BAR RETRACT button. Turn out the DCV2 (saw motor control) until the saw motor increases speed then slowly turn in the adjustment until the motor just creeps.

NOTE: Later saw motors with internal flushing will spin at approximately 30 rpm.

15. Check the saw motor speed. Refer to SAW MOTOR SPEED ADJUSTMENT in this section.

16. Turn the pilot switch OFF, and turn off the engine.

17. Install the saw chain. Refer to REPLACING SAW CHAIN - HYDRAULIC TENSION in this section.

PRESSURE ADJUSTMENT

18. Remove gauges and install the saw manifold cover.

FD5195-0105

PRESSURE REDUCING VALVE (S855C)

13. Reset the pressure reducing valve to 72 bar (1050 psi) measured at ‘P’ test port.

3.31

Service and Maintenance

Tigercat Bar Saw Felling Head

AUXILIARY PRESSURE (S855C) EARLY MACHINES WITH PSB2215 TILT LOCK INSTALLATION Auxiliary pressure is supplied by the main pump via a pressure reducing valve and an electrical proportional pressure reducing/relieving valve.

A reduced pressure passes through to the main valve saw section ‘A’ port.

When the proportional pressure reducing/relieving valve is activated by the computer control system saw bar pressure is available to extend or retract the bar via the ‘P’ port on the rotary manifold to the ‘P1’ port on the saw manifold.

FD5195-0105

PRESSURE REDUCING VALVE (S855C)

PROPORTIONAL PRESSURE REDUCING VALVE

FD5195-014

PROPORTIONAL PRESSURE REDUCING VALVE

PROPORTIONAL PRESSURE REDUCING/ RELIEVING VALVE

TILT FLOAT (5195)

SAW CIRCUIT TO ‘P1’ ON SAW MANIFOLD (5185) FROM MAIN PUMP PRESSURE REDUCING VALVE

FD5195-027

TO ‘P’ ON ROTARY MANIFOLD (5195) TO ROTATE MOTOR CIRCUIT (5195)

TO CLAMP CIRCUIT

BAR SUPPLY PRESSURE SCHEMATIC (WITH PSB2215 TILT LOCK INSTALLATION) 3.32

SAW CIRCUIT TO ‘T1’ ON SAW MANIFOLD (5185) TO ‘T’ ON ROTARY MANIFOLD (5195)

Tigercat Bar Saw Felling Head

Service and Maintenance

SAW CONTROL MANIFOLD HYDRAULIC SETUP PROCEDURE - (EARLY MACHINES WITH PSB2215 TILT LOCK INSTALLATION) (FD5195 ON S855C) The following procedure outlines adjustments for: a. Pilot pressure reducing valve

G1 TEST PORT

b. PRV1 bar pressure c.

G2 TEST PORT

PRV2 chain tension

d. Manual bar extend and retract pressure e. Tilt lock pressure f.

FD5195-015

SAW MANIFOLD

DCV2 saw motor control

NOTE: Hydraulic oil must be at operating temperature.

B

1. Park machine on firm level ground. Set head firmly on ground with tilt up locks installed.

Stick boom fully extended to prevent boom creep.

A

2. Close clamp arms.

3. Turn pilot switch OFF, engage swing brake and turn off the engine. Block tracks.

‘LS’ TEST PORT

4. Remove the saw manifold cover.

5. Remove the saw chain. Refer to REPLACING SAW CHAIN - HYDRAULIC TENSION in this section.

53165B

‘P’ TEST PORT

EARLY MAIN VALVE (S855C SHOWN)

‘LS’ TEST PORT

‘P’ TEST PORT

61713B04

LATER MAIN VALVE (S855C SHOWN)

6. Connect 0-345 bar (0-5000 psi) pressure gauges to test port ‘G1’ and ‘G2’ on the saw manifold and test port ‘LS’ on the machine main valve.

3.33

Service and Maintenance

Tigercat Bar Saw Felling Head DCV2 SAW MOTOR CONTROL

PRV1 BAR PRESSURE

FD5195-016

FD5195-016

SAW MANIFOLD

SAW MANIFOLD

7. Temporarily bottom in (lightly) the saw motor control DCV2 adjusting screw on the saw manifold. This prevents the saw motor from spinning.

G1 TEST PORT

8. Start the engine and set the engine speed control to low idle.

9. Using the machine computer control system: Early machines = WRIST (860/870) CCW+

SAW MANIFOLD 12. Press and hold the SAW BAR RETRACT button. Adjust the PRV1 (bar pressure) on the saw manifold to 83 bar (1200 psi) measured at ‘G1’ test port.

Later machines = FD BAR EXT/RET PRESSURE (+) PRESSURE)

FD5195-015

Adjust both the min and max mA to 500 mA. This allows full pilot pressure (bar/tilt lock supply) to the head.

NOTE: Later saw motors with internal flushing will spin at approximately 30 rpm.

10. Turn the pilot system on.

PRV2 SAW CHAIN TENSION PRESSURE ADJUSTMENT

FD5195-0105

G2 TEST PORT

PRESSURE REDUCING VALVE (S855C)

SAW MANIFOLD FD5195-015 13. Press and hold the SAW BAR RETRACT button. Adjust the PRV2 (chain tension pressure) on the saw manifold to 55 bar (800 psi) measured at ‘G2’ test port.

11. Adjust the pressure reducing valve to 90 bar (1300 psi) measured at the P test port.

NOTE: Later saw motors with internal flushing will spin at approximately 30 rpm.

3.34

Tigercat Bar Saw Felling Head 14. Press and hold the SAW BAR RETRACT button. Using the machine computer control system:

Service and Maintenance DCV2 SAW MOTOR CONTROL

Early machines = WRIST (860/870) CCW (+) MIN mA Later machines = FD BAR EXT/RET PRESSURE (+) PRESSURE Adjust MIN mA until the pressure measured at the ‘G1’ (also ‘LS’) reads 31 bar (450 psi).

This sets the manual bar extend and retract pressure.

15. Press and hold the tilt lock control. Using the machine computer control system:

FD5195-016

Early machines = WRIST (860/870) CCW (+) MAX mA

SAW MANIFOLD

17. Turn the saw switch off and tap the saw button. Press and hold the SAW BAR RETRACT button. Turn out the DCV2 until the saw motor increases speed then slowly turn in the adjustment until the motor just creeps.

Later machines = FD BAR EXT/RET PRESSURE (+) PRESSURE Adjust MAX mA until the pressure measured at the ‘G1’ (also ‘LS’) reads 55 bar (800 psi).

This sets the tilt lock pressure.

18. Using the machine computer control system adjust WRIST/ROT/PUMP2 CCW+ (saw output) to min 250, start 200, stop 750.

NOTE: No further adjustment to the pilot pressure reducing valve in step 11 will be required after the max mA setting (step 15) is performed.

19. Check the saw motor speed. Refer to SAW MOTOR SPEED ADJUSTMENT in this section.

20. Turn the pilot switch OFF, and turn off the engine.

16. To check the adjustment procedure perform the following test:

21. Install the saw chain. Refer to REPLACING SAW CHAIN - HYDRAULIC TENSION in this section.

Press bar retract. Pressure at ‘G1’ (or ‘LS’) reads 31 bar (450 psi).

Press bar extend. Pressure at ‘G1’ (or ‘LS’) reads 31 bar (450 psi).

22. Remove gauges and install the saw manifold cover.

Press tilt lock. Pressure at ‘G1’ (or ‘LS’) reads 55 bar (800 psi).

NOTE: It is normal when no output is activated that the output from the electric proportional valve does not go to zero pressure. Approximately 14 bar (200 psi) may be present at P1 on the saw manifold which may allow the saw motor to creep continuously. This pressure will also retract the saw bar after the manual extend button is released.

3.35

Service and Maintenance

Tigercat Bar Saw Felling Head

AUXILIARY PRESSURE - EARLY MACHINES WITH TILT LOCK (S855D) Auxiliary pressure is supplied by the main pump via a electric proportional pressure reducing/ relieving valve.

A reduced pressure passes through to the main valve saw section ‘A’ port.

When the proportional pressure reducing/relieving valve is activated by the computer control system saw bar pressure is available to extend or retract the bar via the ‘P’ port on the rotary manifold to the ‘P1’ port on the saw manifold.

PROPORTIONAL PRESSURE REDUCING VALVE

FD5195-014

PROPORTIONAL PRESSURE REDUCING VALVE

TILT FLOAT

FROM MAIN PUMP

PROPORTIONAL PRESSURE REDUCING/ RELIEVING VALVE TO ‘P’ ON ROTARY MANIFOLD TO CLAMP CIRCUIT

FD5195-012

TO ROTATE MOTOR CIRCUIT

BAR SUPPLY PRESSURE SCHEMATIC (EARLY MACHINES WITH TILT LOCK)

3.36

TO ‘T’ ON ROTARY MANIFOLD

Tigercat Bar Saw Felling Head

Service and Maintenance

AUXILIARY PRESSURE - LATER MACHINES WITH TILT LOCK (S855D) Auxiliary pressure is supplied by the main pump via a electric proportional pressure reducing/ relieving valve and a sequence valve in the auxiliary supply manifold.

PROPORTIONAL PRESSURE REDUCING VALVE When the proportional pressure reducing valve is activated by the computer control system (bar extend/retract) a reduced pressure passes through to the main valve saw section ‘A’ port.

Saw bar pressure is available to extend or retract the saw bar via the ‘P’ port on the rotary manifold to the ‘P1’ port on the saw manifold.

AUXILIARY SUPPLY MANIFOLD

SEQUENCE VALVE FD5195-016

The function of the sequence valve is to block low pressure leakage from the proportional pressure reducing/relieving valve (G-RP on manifold) from being supplied to the head when the function is not activated. The sequence valve factory setting is 13.8 bar (200 psi). Refer to SEQUENCE VALVE ADJUSTMENT in this section.

AUXILIARY SUPPLY MANIFOLD

PROPORTIONAL PRESSURE REDUCING VALVE

SEQUENCE VALVE FD5195-017

G-RP FROM MAIN PUMP

AUXILIARY SUPPLY MANIFOLD

PROPORTIONAL PRESSURE REDUCING VALVE SEQUENCE VALVE TILT FLOAT

AUXILIARY SUPPLY MANIFOLD

G-AUX

BAR SUPPLY

TO CLAMP CIRCUIT

FD5195-015

TO ROTATE MOTOR CIRCUIT

AUXILIARY SUPPLY PRESSURE SCHEMATIC (LATER MACHINES) 3.37

TO ‘P’ ON ROTARY MANIFOLD

TO ‘T’ ON ROTARY MANIFOLD

Service and Maintenance

Tigercat Bar Saw Felling Head

SEQUENCE VALVE ADJUSTMENT

G-AUX TEST PORT

When the saw bar is not being extended or retracted there should be no pressure at the outlet of the valve measured at G-AUX. If the leakage pressure at G-RP is higher than 13.8 bar (200 psi) or if no pressure is measured at G-AUX when the bar extend/retract is activated, adjustment of the sequence valve is required.

Install pressure gauges at test ports G-RP and G-AUX. With no function activated, G-RP should be below 13.8 bar (200 psi). If there is pressure at G-AUX, then increase/turn in (clockwise) the sequence valve adjustment until the pressure at G-AUX starts to drop. The pressure should continue to drop to zero over time. If there is no pressure at G-AUX, then decrease/turn out (counterclockwise) the sequence valve adjustment until pressure rises at G-AUX. Then turn in the sequence valve until the pressure drops to zero again. Operate the bar extent/retract to ensure the correct pressure is monitored at G-AUX.

SEQUENCE VALVE

FD5195-017

G-RP TEST PORT IN LINE TO MAIN VALVE

BAR SUPPLY

AUXILIARY SUPPLY MANIFOLD

G-RP FROM MAIN PUMP

TILT FLOAT

AUXILIARY SUPPLY MANIFOLD

G-AUX

BAR SUPPLY TO ‘P’ ON ROTARY MANIFOLD TO ROTATE MOTOR CIRCUIT

TO CLAMP CIRCUIT FD5195-015

AUXILIARY SUPPLY PRESSURE SCHEMATIC (LATER MACHINES)

3.38

TO ‘T’ ON ROTARY MANIFOLD

Tigercat Bar Saw Felling Head

Service and Maintenance

SAW CONTROL MANIFOLD HYDRAULIC SETUP PROCEDURE - (MACHINES WITH TILT LOCK) (FD5195 ON S855D) The following procedure outlines adjustments for: a. PRV1 bar pressure b. PRV2 chain tension

G1 TEST PORT

c.

G2 TEST PORT

Manual bar extend and retract pressure

d. Tilt lock pressure e. DCV2 saw motor control

FD5195-015

NOTE: Hydraulic oil must be at operating temperature.

1. Park machine on firm level ground. Set head firmly on ground with tilt up locks installed.

Stick boom fully extended to prevent boom creep.

SAW MANIFOLD

‘LS’ TEST PORT

2. Close clamp arms.

3. Turn pilot switch OFF, engage swing brake and turn off the engine. Block tracks.

‘P’ TEST PORT

4. Remove the saw manifold cover.

5. Remove the saw chain. Refer to REPLACING SAW CHAIN - HYDRAULIC TENSION in this section.

61713B04

MAIN VALVE (S855C SHOWN)

6. Connect 0-345 bar (0-5000 psi) pressure gauges to test port ‘G1’ and ‘G2’ on the saw manifold and test port ‘LS’ on the machine main valve.

3.39

Service and Maintenance

Tigercat Bar Saw Felling Head DCV2 SAW MOTOR CONTROL

PRV1 BAR PRESSURE

FD5195-016

FD5195-016

SAW MANIFOLD

SAW MANIFOLD

7. Temporarily bottom in (lightly) the saw motor control DCV2 adjusting screw on the saw manifold. This prevents the saw motor from spinning.

G1 TEST PORT

8. Start the engine and set the engine speed control to low idle.

9. Using the machine computer control system adjust both the min and max mA of FD BAR EXT/RET PRESSURE (+) PRESSURE to 500 mA. This allows full pilot pressure (bar/tilt lock supply) to the head.

FD5195-015

SAW MANIFOLD

11. Press and hold the SAW BAR RETRACT button. Adjust the PRV1 (bar pressure) on the saw manifold to 83 bar (1200 psi) measured at ‘G1’ test port.

10. Turn the pilot system on.

NOTE: Later saw motors with internal flushing will spin at approximately 30 rpm.

3.40

Tigercat Bar Saw Felling Head

Service and Maintenance DCV2 SAW MOTOR CONTROL

PRV2 SAW CHAIN TENSION

G2 TEST PORT FD5195-015

SAW MANIFOLD FD5195-016

12. Press and hold the SAW BAR RETRACT button. Adjust the PRV2 (chain tension pressure) on the saw manifold to 55 bar (800 psi) measured at ‘G2’ test port.

SAW MANIFOLD

16. Turn the saw switch off and tap the saw button. Press and hold the SAW BAR RETRACT button. Turn out the DCV2 (saw motor control) until the saw motor increases speed then slowly turn in the adjustment until the motor just creeps.

NOTE: Later saw motors with internal flushing will spin at approximately 30 rpm.

13. Press and hold the SAW BAR RETRACT button. Using the machine computer control system adjust the min mA of FD BAR EXT/ RET PRESSURE (+) PRESSURE until the pressure measured at the ‘G1’ (also ‘LS’) reads 31 bar (450 psi). This sets the manual bar extend and retract pressure.

17. Using the machine computer control system adjust WRIST/ROT/PUMP2 CCW+ (saw output) to min 250, start 200, stop 750.

18. Check the saw motor speed. Refer to SAW MOTOR SPEED ADJUSTMENT in this section.

19. Turn the pilot switch OFF, and turn off the engine.

14. Press and hold the tilt lock control. Using the machine computer control system adjust the max mA of FD BAR EXT/RET PRESSURE (+) PRESSURE until the pressure measured at the ‘G1’ (also ‘LS’) reads 55 bar (800 psi).

This sets the tilt lock pressure.

20. Install the saw chain. Refer to REPLACING SAW CHAIN - HYDRAULIC TENSION in this section.

21. Remove gauges and install the saw manifold cover.

15. To check the adjustment procedure perform the following test:

NOTE: It is normal when no output is activated that the output from the electric proportional valve does not go to zero pressure. Approximately 14 bar (200 psi) may be present at P1 on the saw manifold which may allow the saw motor to creep continuously. This pressure will also retract the saw bar after the manual extend button is released.

Press bar retract. Pressure at ‘G1’ (or ‘LS’) reads 31 bar (450 psi).

Press bar extend. Pressure at ‘G1’ (or ‘LS’) reads 31 bar (450 psi).

Press tilt lock. Pressure at ‘G1’ (or ‘LS’) reads 55 bar (800 psi).

3.41

Service and Maintenance

Tigercat Bar Saw Felling Head

SAW CONTROL MANIFOLD HYDRAULIC SETUP PROCEDURE - FC5185

DCV2 SAW MOTOR CONTROL

The following procedure outlines adjustments for: a. PRV1 bar pressure b. PRV2 chain tension c.

Manual bar extend and retract pressure

d. DCV2 saw motor control NOTE: Hydraulic oil must be at operating temperature.

1. Park machine on firm level ground. Set head firmly on ground with stick boom fully extended to prevent boom creep.

FD5195-016

SAW MANIFOLD

7. Temporarily bottom in (lightly) the saw motor control DCV2 adjusting screw on the saw manifold. This prevents the saw motor from spinning.

2. Close clamp arms.

3. Turn pilot switch OFF, engage swing brake and turn off the engine. Block tracks.

4. Remove the saw manifold cover.

8. Start the engine and set the engine speed control to low idle.

5. Remove the saw chain. Refer to REPLACING SAW CHAIN - HYDRAULIC TENSION in this section.

9. Using the machine computer control system adjust the max mA of FD BAR EXT/RET PRESSURE (+) PRESSURE to 500 mA. This allows full pilot pressure to the head.

10. Turn the pilot system on.

PRV1 BAR PRESSURE

G1 TEST PORT G2 TEST PORT

FD5195-015

SAW MANIFOLD

6. Connect 0-345 bar (0-5000 psi) pressure gauges to test port ‘G1’ and ‘G2’ on the saw manifold and test port ‘LS’ on the machine main valve.

FD5195-016

SAW MANIFOLD

11. Press and hold the SAW BAR RETRACT button. Adjust the PRV1 (bar pressure) on the saw manifold to 83 bar (1200 psi) measured at ‘G1’ test port.

NOTE: Later saw motors with internal flushing will spin at approximately 30 rpm.

3.42

Tigercat Bar Saw Felling Head

Service and Maintenance DCV2 SAW MOTOR CONTROL

PRV2 SAW CHAIN TENSION

G2 TEST PORT

SAW MANIFOLD 12. Press and hold the SAW BAR RETRACT button. Adjust the PRV2 (chain tension pressure) on the saw manifold to 55 bar (800 psi) measured at ‘G2’ test port.

FD5195-015

SAW MANIFOLD 15. Press and hold the SAW BAR RETRACT button. Turn out the DCV2 (saw motor control) until the saw motor increases speed then slowly turn in the adjustment until the motor just creeps.

FD5195-016

NOTE: Later saw motors with internal flushing will spin at approximately 30 rpm.

17. Using the machine computer control system adjust WRIST/ROT/PUMP2 CCW+ (saw output) to min 250, start 200, stop 750.

13. Press and hold the SAW BAR RETRACT button. Using the machine computer control system adjust the max mA of FD BAR EXT/ RET PRESSURE (+) PRESSURE until the pressure measured at the ‘G1’ (also ‘LS’) reads 35 bar (500 psi). This sets the manual bar extend and retract pressure.

18. Check the saw motor speed. Refer to SAW MOTOR SPEED ADJUSTMENT in this section.

19. Turn the pilot switch OFF, and turn off the engine.

14. To check the adjustment procedure perform the following test: Press bar retract. Pressure at ‘G1’ (or ‘LS’) reads 35 bar (500 psi).

20. Install the saw chain. Refer to REPLACING SAW CHAIN - HYDRAULIC TENSION in this section.

Press bar extend. Pressure at ‘G1’ (or ‘LS’) reads 35 bar (500 psi).

21. Remove gauges and install the saw manifold cover.

NOTE: It is normal when no output is activated that the output from the electric proportional valve does not go to zero pressure. Approximately 14 bar (200 psi) may be present at P1 on the saw manifold which may allow the saw motor to creep continuously This pressure will also retract the saw bar after the manual extend button is released.

3.43

Service and Maintenance

Tigercat Bar Saw Felling Head

SAW BAR EXTEND AND RETRACT When main pump oil is available at P1 on the saw control manifold the saw bar will be able to extend or retract.

Extend/retract is controlled by pilot pressure from solenoid C23 on the machine. When the C23 solenoid is energized (via the computer control system) pilot oil is directed through port SP on the rotary manifold to the directional control valve 1 (DCV1) in the saw control manifold, pressure via P1 is available to extend the bar. When the C23 solenoid is de-energized, P1 pressure at the saw manifold is ported through the DCV1 to retract the saw bar.

DCV1

53189B13-1

NOTE: Air in the saw pilot line will cause delays in bar movement. Refer to HEAD BLEED PROCEDURE in this section.

SAW CONTROL MANIFOLD

For saw bar pressure adjustment refer to SAW CONTROL MANIFOLD HYDRAULIC SETUP PROCEDURE for the appropriate machine in this section.

For saw bar extend speed adjustment refer to SAW BAR EXTEND SPEED ADJUSTMENT in this section.

FROM C23 SOLENOID VALVE FD5195-008

SAW CONTROL MANIFOLD SCHEMATIC 3.44

Tigercat Bar Saw Felling Head

Service and Maintenance

SAW BAR EXTEND SPEED ADJUSTMENT

SAW CHAIN OIL SETUP

1. Park machine on firm level ground. Set head firmly on ground with tilt up locks installed if applicable. Position booms to prevent boom creep. Hydraulic oil must be at operating temperature.

1. Park machine on firm level ground. Set head firmly on ground with tilt up locks installed if applicable. Position booms to prevent boom creep. Hydraulic oil must be at operating temperature.

2. Close clamp arms.

2. Close clamp arms.

3. Turn pilot switch OFF, engage swing brake and turn off the engine. Block tracks.

3. Turn pilot switch OFF, engage swing brake and turn off the engine. Block tracks.

4. Remove the saw manifold cover.

4. Remove saw manifold cover.

5. Remove the saw chain. Refer to REPLACING SAW CHAIN - HYDRAULIC TENSION in this section.

5. Remove the saw chain. Refer to REPLACING SAW CHAIN - HYDRAULIC TENSION in this section.

6. Start the engine and set the engine speed control to high idle.

6. Start the engine and set the engine speed control to low idle.

7. Turn the pilot system on.

7. Turn the pilot system on.

8. Press and hold the SAW button and measure the time for the saw bar to fully extend.

8. Turn CHAIN OIL FLOW CONTROL out 1/3 turn from fully in.

9. Operate SAW BAR EXTEND/RETRACT until oil comes out onto saw bar.

SAW BAR EXTEND FLOW CONTROL

10. Oil is forced out during the SAW BAR EXTEND function.

FD5195-015

SAW MANIFOLD 9. Set the saw bar extend speed to 1.5-2.0 seconds.

Suggest backing out the saw bar extend flow control to stop bar from extending. Then turn in until bar just starts to move. Lock setting and time speed. Adjust as required.

10. Turn the pilot switch OFF, and turn off the engine.

11. Install the saw chain. Refer to REPLACING SAW CHAIN - HYDRAULIC TENSION in this section.

12. Install the saw manifold cover.

CHAIN OIL FLOW CONTROL

FD5195-015

SAW MANIFOLD

CHAIN OIL VOLUME CONTROL

11. To increase the rate oil comes out, adjust the CHAIN OIL FLOW CONTROL out. To decrease turn in.

12. If the total amount of oil needs to be increased, turn out the CHAIN OIL VOLUME CONTROL set screw. To decrease turn in.

13. Turn the pilot switch OFF, and turn off the engine.

14. Install the saw chain. Refer to REPLACING SAW CHAIN - HYDRAULIC TENSION in this section.

15. Install saw manifold cover.

3.45

Service and Maintenance

Tigercat Bar Saw Felling Head

SAW MAIN PRESSURE (MOTOR ROTATE) Saw main pressure for the saw motor/chain rotation is supplied by the machine main valve saw section port A. Saw main pressure is controlled by solenoid TS1 which directs pilot oil through port C1 on the machine pilot manifold to the main valve saw section.

TS1 SOLENOID

TS1 solenoid is controlled by the computer control system.

Saw main pressure is limited by the main valve LS relief setting. Main valve saw section port A relief is set higher than the main system maximum operating pressure. Flow is adjusted to maximum using the port A spool stop and adjusted to operating flow via the computer control system.

PILOT MANIFOLD

H845C-77

NOTE: For saw motor speed adjustment, refer to SAW MOTOR SPEED ADJUSTMENT in this section.

C1 PORT

845CH-080

PILOT MANIFOLD – BOTTOM VIEW

FROM PILOT MANIFOLD C1 PORT (TS1 SOLENOID) FROM MAIN VALVE SAW SECTION PORT ‘A’ TO ‘P’ PORT ON ROTARY MANIFOLD

FD5195-018

MAIN VALVE SCHEMATIC

3.46

Tigercat Bar Saw Felling Head

Service and Maintenance

SAW MOTOR SPEED ADJUSTMENT

14. Repeat the saw motor speed measurement.

NOTE: Refer to the machine specific service manual for more information to navigate the machine computer system screens and the hydraulic control valve adjustment location.

15. Navigate the computer system to the Max mA setting.

In 5mA increments, lower the Max mA setting until there is a drop in the specified saw speed. Once a drop in saw speed occurs increase the Max mA setting by 5mA and press OK. The saw motor speed measurement should meet the saw motor speed setting specifications.

1. Park machine on firm level ground. Position the head safely on a support that will allow access to remove the saw chain and measure saw motor speed. Install tilt up locks if applicable. Position boom to prevent boom creep.

This step ensures the stop ramp that is applied to the current when the saw is deactivated will be as effective as possible.

2. Close clamp arms.

3. Turn pilot switch OFF, engage swing brake and turn OFF the engine. Block tracks.

4. Remove saw manifold cover.

5. Remove the saw chain. Refer to REPLACING SAW CHAIN - HYDRAULIC TENSION in this section.

6. Install reflective tape on the side of the chain catcher.

7. Start the engine and set the engine speed control to low idle.

8. Use the machine computer system to adjust SAW outputs to: Min 300mA, Max 460mA, Start 0ms, Stop 750ms 9. Turn the pilot system on.

10. Set the engine speed control to full idle.

11. Turn SAW SWITCH on.

12. While measuring saw motor speed with photo tachometer, press and hold the SAW button for 5 seconds.

Always wait a minimum of 10 seconds between consecutive saw motor activations.

NOTE: Monitor SAW MOTOR CASE temperature. Do not exceed 90°C (194°F).

13. The saw motor speed measurement should meet the saw motor speed setting specifications, refer to PRESSURE AND SPEED SETTINGS for appropriate machine and saw motor in this section.

If the motor speed is too high, adjust the SAW PRESSURE flow stop on the main valve to decrease flow.

If the motor speed is too low, adjust the SAW PRESSURE flow stop on the main valve to increase flow.

3.47

Service and Maintenance

Tigercat Bar Saw Felling Head

SAW MOTOR CONTROL The saw manifold contains a compensator and orifice. The function of the compensator is to prevent the saw motor from turning. This is accomplished by blocking the saw motor return flow from the saw motor to the machine. There are two operating conditions when the compensator will restrict or stop flow from the motor: A. When the saw pressure is below the set pressure.

B. When the pressure drop across the compensator orifice is higher then the adjustable spring setting of the compensator.

Restricting the saw motor from turning when the pressure is below the set pressure allows a low saw bar pressure to extend or retract the saw bar without the saw chain turning. Also, high pressure across the compensator orifice is caused by too much flow being sent to the saw motor which would over speed the motor. When this happens the compensator closes briefly to “throttle” the saw flow which prevents the motor from over speeding.

exceeds the DCV2 setting, the DCV2 connects the pilot of the compensator to the saw return pressure after the compensator orifice which allows the compensator to remain open allowing the saw to rotate as long as the pressure drop across the orifice remains below the compensator adjustment setting.

NOTE: For the DCV2 adjustment, refer to SAW MOTOR CONTROL PRESSURE SETUP in this section.

NOTE: The saw motor compensator does not require field adjustment. The correct factory adjustment is 3 threads protruding from the lock nut.

SAW MOTOR COMPENSATOR

Closing the compensator when the saw pressure is below the set pressure is controlled by adjusting the switching pressure of the directional control valve DCV2. When the saw pressure is low, the DCV2 sends the saw pressure to pilot the compensator closed. When the saw pressure

FD5195-008

SAW MOTOR

FD5195-016

SAW MANIFOLD SCHEMATIC 3.48

SAW MANIFOLD

SAW MOTOR DCV2

Tigercat Bar Saw Felling Head SAW MOTOR CONTROL PRESSURE SETUP

10. Turn the pilot switch OFF, and turn off the engine.

NOTE: The PRV1 in the saw manifold must be at the specified pressure prior to adjusting the saw motor control. If the PRV1 requires adjustment, refer to the applicable machine SAW CONTROL MANIFOLD HYDRAULIC SETUP PROCEDURE in this section.

11. Install the saw chain. Refer to REPLACING SAW CHAIN - HYDRAULIC TENSION in this section.

12. Remove gauge and install the saw manifold cover.

1. Park machine on firm level ground. Set head firmly on ground with tilt up locks installed if applicable. Position booms to prevent boom creep. Hydraulic oil must be at operating temperature.

SAW PRESSURE STOP RAMP The machine computer system controls the proportional ramp off time (stop ramp) of the saw function. Refer to the machine specific service manual for details to adjust the saw stop ramp.

2. Close the clamp arms.

BAR FEED DELAY FUNCTION

3. Turn the pilot switch OFF, engage swing brake, and turn off the engine. Block tracks.

The machine computer system controls the bar feed delay function. This function delays activation of the bar extend function for a short duration after main saw pressure is activated. This allows the saw motor/chain to accelerate before starting the cut. Refer to the machine specific service manual for details to adjust the bar feed delay function.

4. Remove saw manifold cover.

5. Remove the saw chain. Refer to REPLACING SAW CHAIN - HYDRAULIC TENSION in this section.

6. Start the engine and set the engine speed control to low idle.

RETURN TIME LIMIT FUNCTION

7. Turn the pilot system on.

The machine computer system controls the return time limit function. This function governs the amount of time the bar retract function is activated for when the saw is deactivated. Increasing this setting will increase the period to retract the bar while decreasing the setting will shorten the period to retract the bar. The default setting is 3 seconds. Refer to the machine specific service manual for details to adjust the return time limit function.

8. Turn the saw switch off and tap the saw button. Press and hold the SAW BAR RETRACT button.

SAW MOTOR DCV2

FD5195-016

Service and Maintenance

SAW MANIFOLD

9. Turn out SAW MOTOR DCV2 until the saw motor spins easily. Turn in SAW MOTOR DCV2 until the saw motor is barely spinning.

Lock setting.

3.49

Service and Maintenance

Tigercat Bar Saw Felling Head

TILT UP/SAW RETURN Tilt up is controlled by pressure in the main valve saw section, port B (tilt up/saw return). Tilt up/ saw return pressure is controlled by solenoid TS2 which directs pilot oil through port C2 on the machine pilot manifold.

TS2 SOLENOID

TS2 solenoid is controlled by the computer control system. Refer to the machine specific service manual for adjustment details.

The tilt up/saw return pressure is limited by the saw section B port relief. Flow is adjusted to maximum using the port B spool stop and adjusted to operating flow via the computer control system.

Refer to the machine specific service manual for adjustment details.

PILOT MANIFOLD

H845C-77

C2 PORT

845CH-080

PILOT MANIFOLD – BOTTOM VIEW

FROM PILOT MANIFOLD C2 PORT (TS2 SOLENOID)

TILT FLOAT

FROM MAIN VALVE SAW SECTION PORT ‘B’ TO ‘T’ PORT ON ROTARY MANIFOLD

FD5195-018

MAIN VALVE SCHEMATIC

3.50

Tigercat Bar Saw Felling Head TILT UP PRESSURE AND SPEED ADJUSTMENT - FD5195 ON S855C/D

Service and Maintenance

16. Use the machine computer system to adjust** TILT up outputs.

NOTE: Refer to the machine specific service manual for more information to navigate the machine computer system screens and the hydraulic control valve adjustment location.

Min setting should be adjusted until tilt up just starts to move. Then lower Max setting, measure the time it takes for the head to travel to the full up position. Repeat Max setting adjustment until the measured time meets Tilt up speed setting specifications* or the operator’s preference.

NOTE: The port relief on the machine that limits the tilt up pressure is affected by the flow of oil across the relief. Changes in flow may change the pressure setting.

* Refer to PRESSURE AND SPEED SETTINGS – FD5195 chart in this section.

1. Park the machine on firm level ground. Set the head firmly on ground. Position the stick boom fully extended to prevent boom creep. Hydraulic oil must be at operating temperature.

** Refer to the machine specific service manual for more information to navigate the machine computer system screens to adjust the tilt up outputs.

2. Close the clamp arms.

3. Remove the tilt frame locks.

4. Connect a 0-345 bar (0-5000 psi) pressure gauge to test port P of the machine main valve.

5. Start the engine and set the engine speed control to full idle.

6. Turn the pilot system on.

7. Ensure the SAW SWITCH is off.

8. Use the machine computer system to adjust TILT up outputs to: Min 300mA, Max 360mA, Start 250ms, Stop 250ms.

9. Raise the head above the ground enough to prevent contacting the ground when tilted down.

10. Press TILT UP button.

11. Tap SAW button to tilt head down.

12. Press and hold TILT up.

13. Measure the time it takes for the head to travel to the full up position.

14. Adjust TILT up flow stop on the main valve until the measured time meets the Tilt up speed setting (CARRIER) specification*.

NOTE: If the pressure setting is low the speed could be affected.

15. Adjust TILT up pressure relief on the main valve to meet Tilt up pressure setting specification*, read at P.

3.51

Service and Maintenance

Tigercat Bar Saw Felling Head

CLAMP ARMS - FD5195

CLAMP ARMS - FC5185

The clamp arms are controlled by the main valve clamp section. The maximum pressure is set using the individual LS relief in this section.

The clamp arms on FC5185 heads are normally controlled by using both the standard clamp and accumulator valve sections on the machine. This allows for easy connection of the head to the standard boom tube arrangement of the feller buncher machine. To control the clamp arm speeds and pressures, adjustments to both clamp and accumulator valve sections is required on the machine. Refer to PRESSURE AND SPEED SETTING in this section for the specified settings.

Refer to the machine manual for the procedure for adjusting the pressure and speeds.

The clamp close port relief is set higher than the section LS relief. The clamp open and close are activated by solenoids TS4 (close) and TS3 (open) which directs pilot oil through port C4 (close) and C3 (open) on the machine pilot manifold to the clamp section on the main valve.

Solenoids TS3 and TS4 are both controlled by the machine computer control system. For clamp arm pressure adjustment, refer to CLAMP ARM PRESSURE ADJUSTMENT in this section.

Clamp arm speeds are controlled by the spool stops in the machine main valve clamp section.

Refer to CLAMP ARM SPEED SETUP in this section.

NOTE: A flow divider may be installed in the head to aid in synchronizing the movement of the arms however if the individual clamp and accumulator valve sections flows are too different, the flow divider will be unable to keep the arms synchronized. Do not operate the clamp arms with only one of the valve sections active as the clamp arms may contact each other causing possible damage to the arms.

3.52

Tigercat Bar Saw Felling Head CLAMP ARM PRESSURE ADJUSTMENT

Service and Maintenance

10. With the CLAMP CLOSE button still held on adjust CLAMP CLOSE pressure relief on the machine main valve to meet Clamp close port relief (cracking pressure) specification*, read at ‘P’.

NOTE: Refer to the machine specific service manual for more information to navigate the machine computer system screens and the hydraulic control valve adjustment location.

Release the joystick button and Press F4 on the machine computer system to complete CLAMP CLOSE setting and access the CLAMP OPEN setting.

1. Park machine on firm level ground. Set head firmly on ground with tilt up locks installed if applicable. Position booms to prevent boom creep. Hydraulic oil must be at operating temperature.

11. Press OK to move to the GRAPPLE OPEN Max setting. The GRAPPLE OPEN menu is used for the CLAMP OPEN adjustment on a Feller Director.

2. Connect a 0-345 bar (0-5000 psi) pressure gauge to test port P of the machine main valve.

Using the up or down arrow buttons adjust the Max mA setting to 700mA and press OK.

3. Start the engine and set the engine speed control to full idle.

The following hydraulic adjustment requires maximum flow and setting the Max current to 700mA will achive this.

4. Turn the pilot system on.

5. Press and hold CLAMP CLOSE. 6. Temporarily adjust CLAMP section LS relief (feed reducer) until the reading at ‘P’ Clamp close port relief (cracking pressure) specification*.

12. Activate the CLAMP OPEN button on the joystick and adjust CLAMP OPEN pressure relief on the machine main valve to meet Clamp open port relief (full flow) specification*, read at P.

7. Set engine speed control to low idle.

13. Adjust CLAMP section LS relief (feed reducer) until the reading at P meets Clamp open/close pressure setting specification*.

8. Press and hold CLAMP CLOSE. 9. Use the machine computer system to adjust CLAMP CLOSE Min setting as follows:

* Refer to PRESSURE AND SPEED SETTINGS for appropriate machine in this section.

Push the F3 button to access the GRAPPLE CLOSE adjustment menu and press OK. The GRAPPLE CLOSE menu is used for the CLAMP CLOSE adjustment on a Feller Director.

NOTE: When in the Min Adjust menu only the Min current will be applied to the CLAMP CLOSE valve when the function is activated.

Activate and hold the CLAMP CLOSE button on the joystick and at the same time using the up or down arrow buttons adjust the Min setting so that the clamp arms just begin to creep. Do not press OK. The following hydraulic adjustment requires minimum flow and remaining in the Min menu will achieve this.

3.53

Service and Maintenance

Tigercat Bar Saw Felling Head

CLAMP ARM SPEED ADJUSTMENT

3. Turn the pilot system on.

NOTE: Refer to the machine specific service manual for more information to navigate the machine computer system screens and the hydraulic control valve adjustment location.

4. Adjust CLAMP CLOSE flow stop on the machine main valve and measure the clamp close speed after each adjustment. Repeat the adjustment until clamp close time meets the CLAMP CLOSE speed specification*.

The CLAMP OPEN/CLOSE valves are controlled electronically by the proportional valves on the pilot manifold.

Start with a slower speed and increase until correct speed achieved.

5. Adjust CLAMP OPEN flow stop on the machine main valve and measure the clamp open speed after each adjustment. Repeat the adjustment until clamp open time meets the CLAMP OPEN speed specification*.

NOTE: The maximum current to fully activate the valves must be applied before attempting to set the clamp speeds. The max current can be checked through the machine computer system as follows:

Start with a slower speed and increase until correct speed achieved.

Press F2 to access the Measure menu. Using the up or down arrow buttons scroll to Hydraulics and press OK.

* Refer to PRESSURE AND SPEED SETTINGS for appropriate machine in this section.

Using the up or down arrow buttons scroll to Tele/ Grapple/LVLL(LX) selection. Close the cab door and press PILOT RESET switch to activate pilot system. Activate the CLAMP OPEN function on the joystick and ensure that the current reading is approximately 700 mA (+ or - 30 mA). Repeat this for the CLAMP CLOSE function.

If the reading is less than 700 mA (+ or - 30 mA) the max current setting will need to be adjusted before any hydraulic testing can be done. Refer to the machine specific service manual for more information to navigate the machine computer system screens.

If the settings are 700 mA (+ or - 30 mA) turn the pilot off and proceed to the clamp arm speed setup.

1. Park the machine on firm level ground. Set the head firmly on ground with the tilt up locks installed if applicable. Position the stick boom fully extended to prevent boom creep. Hydraulic oil must be at operating temperature.

2. Start the engine and set the engine speed control to full idle.

3.54

Tigercat Bar Saw Felling Head HEAD ROTATE

Service and Maintenance

6. With head on ground, apply downward boom pressure to prevent head rotation.

Head rotation is controlled by the rotate section in the machine main control valve. The pressure is limited by the section port reliefs. The head rotation is activated with pilot oil from the right hand joystick. The rotate speed is set using the spool stops in the main control valve head rotate section.

7. Temporarily increase ROTATE CW pressure relief setting on the main valve to a reading of 138 bar (2000 psi) at P. 8. Lift the head above the ground high enough to provide clearance when rotated.

9. Measure the time it takes for the head to rotate clockwise 3 complete revolutions.

ROTATE PRESSURE AND SPEED ADJUSTMENT (FD5195 ON S855C/D)

10. Adjust the ROTATE CW flow stop on the main valve until the measured time meets the Rotate CW speed setting specification*.

NOTE: Refer to the machine specific service manual for more information on the hydraulic control valve adjustment locations.

11. Place head on ground and apply pressure to prevent rotation.

NOTE: The port relief on the machine that limits the rotate pressure is affected by the flow of oil across the relief. Changes in flow may change the pressure setting.

12. Adjust ROTATE CW pressure relief setting on the main valve to meet Rotate CW pressure setting specification* read at P.

1. Park machine on firm level ground. Set head firmly on ground with tilt up locks installed.

Stick boom fully extended to prevent boom creep. Hydraulic oil must be at operating temperature.

13. Repeat steps 6 to 12 for ROTATE CCW. * Refer to PRESSURE AND SPEED SETTINGS – FD5195 in this section.

2. Connect a 0-345 bar (0-5000 psi) pressure gauge to test port P of the machine main valve.

3. Start the engine and set the engine speed control to full idle.

4. Turn the pilot system on.

5. Close the clamp arms.

HEAD ROTATE VALVE SECTION

TO ROTARY MANIFOLD

FD5195-018

MAIN VALVE SCHEMATIC 3.55

Service and Maintenance

Tigercat Bar Saw Felling Head

ROTARY MANIFOLD FD5195

CLAMP ARM FLOW DIVIDER AND RELIEF

The rotary manifold allows for continuous rotation of the saw and tilt frame relative to the rotator housing which is connected to the boom via a yoke knuckle. The rotary manifold also houses various cartridges for the functions described below.

There is small manifold bolted to the side of the rotary manifold which consists of a flow divider spool and dual cross-line relief cartridge.

The function of this manifold is to hydraulically synchronize the movement of the two clamp arms.

The flow divider equalizes the flows to and from each rod side of the clamp cylinders. The flow divider spool is matched to the manifold and is not serviceable. The cross-line relief cartridge is serviceable.

TILT DOWN/FLOAT SPEED FLOW CONTROL There is an adjustable flow control (FC) which controls the tilt down or float speed. The flow control restricts the flow of oil out of the tilt cylinders back to the carrier and through the tilt float solenoid operated directional control valve.

Adjusting the screw out decreases the flow.

CAUTION Before servicing install whips in the RT1 and RT2 test ports to relieve any pressure trapped in the rotate motor lines by the counterbalance valves.

Failure to relieve pressure may result in injury.

ROTATE CROSSLINE RELIEFS There are two direct acting cross-line reliefs (RF1, RF2) that control the maximum operating pressure across the rotate motor ports. These reliefs also control the braking torque of the motor. The 80 bar, (1160 psi) crossline reliefs are not adjustable.

TILT DOWN/FLOAT SPEED RELIEF There is a relief (RF3) in the rotary manifold that allows oil to bypass the flow control if the pressure trapped between the tilt cylinders and the tilt flow control is too high. This 160 bar (2320 psi) relief is not adjustable.

TO TILT CYLINDERS

FD5195-007

TO ROTATE MOTOR

ROTARY MANIFOLD SCHEMATIC

3.56

TO CLAMP CYLINDERS

Tigercat Bar Saw Felling Head

Service and Maintenance

ROTATE COUNTERBALANCE VALVES

SAW RETURN CHECK VALVE

Counterbalance valves (CB1, CB2) control the minimum rotate motor pressure required to allow the motor to rotate.

There is a check valve installed in the saw return port on the bottom of the rotary manifold. This check valve allows oil from the saw motor to return from the saw motor back to the carrier but prevents oil supplied in the saw return line from getting to the saw motor.

On earlier machines two check valves are installed in the rotate motor inlet ports on the top of the rotary manifold. On later machines two check valves (CK1, CK2) are installed in the barrel of the rotary manifold. These check valves force the return oil from the rotate motor to go through the counterbalance valves. The counterbalance valves then close off the motor return line until there is a minimum pressure in the driving line.

This produces smooth rotate motor control and prevents head rotate from running away if the head rotate speed exceeds the flow supplied by the carrier due to gravity or other external forces.

The counterbalance valves also serve to flush the rotate lines. The outlet flow from the counterbalance valve returns to the case line not to the return line and rotate spool on the carrier.

The saw return line from the carrier also functions as the tilt up control when it is pressurized. When the saw is active you will see the saw head tilt up slightly. This is due to the saw return pressure affecting the tilt cylinders.

CHECK VALVE (LATER DESIGN ONLY) Check valve (CK) on later machines relieves high case pressure to tank if the case pressure exceeds the pressure in the tank gallery of the rotary manifold.

SAW RETURN CHECK VALVE

ROTATE COUNTERBALANCE VALVE ADJUSTMENT The counterbalance valves do not require field adjustment. However, if these valves are adjusted by mistake, or replacement is necessary, refer to the following illustrations for the factory adjustment setting.

FD5195-012

ADJUST 1 1/2 TURNS IN FROM FULL OUT

SAW RETURN CHECK VALVE

FD5195-019

ROTARY MANIFOLD (EARLIER DESIGN)

CHECK VALVE CK

EARLY DESIGN COUNTERBALANCE VALVE ADJUST EXPOSED THREAD TO 3/16” ABOVE LOCKNUT

FD5195-031

FD5195-020

LATER DESIGN COUNTERBALANCE VALVE

3.57

ROTARY MANIFOLD (LATER DESIGN)

Service and Maintenance

Tigercat Bar Saw Felling Head FLOW CONTROL (TILT DOWN)

CROSS LINE RELIEFS COUNTER BALANCE VALVE CB1 COUNTER BALANCE VALVE CB2

FD5195-011

ROTARY MANIFOLD (EARLIER DESIGN)

FD5195-029

ROTARY MANIFOLD (LATER DESIGN)

TILT DOWN RELIEF RF3 TILT DOWN RELIEF RF3

CHECK VALVE CK1 CHECK VALVE CK2 COUNTER BALANCE VALVE CB1

FD5195-010

ROTARY MANIFOLD (EARLIER DESIGN)

FLOW DIVIDER CROSS LINE RELIEFS

FLOW CONTROL (TILT DOWN) FD5195-030

FLOW DIVIDER CROSS PORT RELIEF

ROTARY MANIFOLD (LATER DESIGN)

COUNTER BALANCE VALVE CB2 SAW RETURN CHECK VALVE

CHECK VALVE CK

FLOW DIVIDER FLOW DIVIDER CROSS PORT RELIEF

FD5195-009

ROTARY MANIFOLD (EARLIER DESIGN) FD5195-031

3.58

ROTARY MANIFOLD (LATER DESIGN)

Tigercat Bar Saw Felling Head

Service and Maintenance

TILT DOWN Tilt down is not powered but allowed to fall by activation of the tilt float solenoid on the machine via the computer control system. The tilt down speed is controlled by a flow control valve on the rotary manifold.

TILT DOWN FLOW CONTROL

TILT DOWN SPEED ADJUSTMENT (FD5195 ON S855C/D) 1. Park machine on firm level ground. Set head firmly on ground. Stick boom fully extended to prevent boom creep. Hydraulic oil must be at operating temperature.

2. Close clamp arms.

3. Turn pilot switch OFF, engage swing brake and shut engine OFF. Block tracks.

FD5195-029

ROTARY MANIFOLD (LATER DESIGN)

4. Remove tilt frame rear cover.

5. Remove tilt frame locks.

TILT DOWN FLOW CONTROL

6. Adjust tilt down flow control on the rotary manifold 1.5 turns in from fully out.

7. Start the engine and set the engine speed control to high idle.

8. Turn the pilot system on.

9. Ensure SAW SWITCH is off.

10. Raise the boom/head above the ground high enough so the head will not hit the ground when tilted down.

11. Press TILT UP button.

12. Tap SAW button. Head should fall smoothly.

13. Measure the time it takes for the head to fall to a horizontal position.

FD5195-009

14. Adjust TILT DOWN FLOW CONTROL until tilt down time is 1.2-1.5 seconds.

Adjusting the flow control OUT to decrease speed or IN to increase speed.

NOTE: Excessive tilt down speed will cause tilt cylinder cavitation and potential component damage. Ensure tilt down flow control provides sufficient restriction for positive control.

16. Install tilt frame rear cover.

3.59

ROTARY MANIFOLD (EARLIER DESIGN)

Service and Maintenance

Tigercat Bar Saw Felling Head

TILT LOCK (OPTIONAL)

The logic valve in the tilt lock manifold then shifts and blocks the tilt cylinder ports.

The optional tilt lock allows the operator the ability to lock the position of the saw and grapple frame to the tilt frame during and after the saw cut for trimming branches, felling stumps, topping trees etc.

Refer to TILT LOCK PRESSURE ADJUSTMENT and CHECKING THE TILT LOCK FUNCTION in this section.

NOTE: The tilt lock should not be used during normal felling operations as damage to the tilt cylinders could result.

The tilt lock feature is control by the right hand joystick trigger switch. Operating the trigger switch sends a signal via the machine computer control system to the proportional pressure reducing valve in the machine mounted auxiliary supply manifold.

The reduced pressure is ported through the auxiliary supply manifold sequence valve to the ‘P’ port on the tilt lock manifold mounted in the tilt frame via the ‘P’ port on the rotary manifold.

Refer to SEQUENCE VALVE and SEQUENCE VALVE ADJUSTMENT in this section.

TILT DOWN TO SAW CONTROL MANIFOLD

SEQUENCE VALVE

LOGIC VALVE

ROTARY MANIFOLD FROM MACHINE MAIN CONTROL VALVE

FD5195-006

TILT LOCK SCHEMATIC 3.60

Tigercat Bar Saw Felling Head

Service and Maintenance

TILT LOCK MANIFOLD

AUXILIARY SUPPLY MANIFOLD

FD5195-016

FD5195-013

AUXILIARY SUPPLY MANIFOLD

SEQUENCE VALVE

TO ROTARY MANIFOLD ‘HT2’ PORT

TO BASE END OF TILT CYLINDER

PROPORTIONAL PRESSURE REDUCING VALVE

TO ROTARY MANIFOLD ‘P’ PORT

TO CD PORT ON ROTARY MANIFOLD

SEQUENCE VALVE

FD5195-017

TILT LOCK MANIFOLD LOCATION

AUXILIARY SUPPLY MANIFOLD PROPORTIONAL PRESSURE REDUCING VALVE

FD5195-023

LOGIC VALVE

TILT LOCK MANIFOLD TILT CYLINDERS

SEQUENCE VALVE

FROM MAIN PUMP

TILT DOWN

SEQUENCE VALVE TO ROTARY MANIFOLD ‘P’ PORT

FD5195-015

LOGIC VALVE

AUXILIARY SUPPLY MANIFOLD

TO ‘CD’ PORT ON ROTARY MANIFOLD FD5195-006

3.61

TO ROTARY MANIFOLD ‘HT2’ PORT

TILT LOCK MANIFOLD SCHEMATIC

Service and Maintenance

Tigercat Bar Saw Felling Head

TILT LOCK PRESSURE ADJUSTMENT (FD5195 ON S855C/D)

10. Using the machine computer control system adjust the hydraulic output until 55 bar (800 psi) is measured either at G1 at the saw manifold or LS on the machine computer system:

NOTE: The PRV1 in the saw manifold must be at the specified pressure prior to adjusting the tilt lock pressure. If the PRV1 requires adjustment, refer to the applicable machine SAW CONTROL MANIFOLD HYDRAULIC SETUP PROCEDURE in this section, there are three machine versions that use the tilt lock option as follows:

Early machines = Wrist (860/870) CCW (+) MAX mA Later machines = FD BAR EXT/RET PRESSURE (+) PRESSURE

a. Early machines with PSB2215 tilt lock installation.

12. Turn the pilot switch OFF, and shut off the engine.

b. Early machines with factory installed tilt lock.

13. Install the saw chain. Refer to REPLACING SAW CHAIN - HYDRAULIC TENSION in this section.

c. Later machines with factory installed tilt lock.

ADJUSTMENT PROCEDURE

14. Remove the gauge and install the saw manifold cover.

1. Park machine on firm level ground. Set head firmly on ground with tilt up locks installed.

Stick boom fully extended to prevent boom creep.

15. Refer to CHECKING THE TILT LOCK FUNCTION in this section.

2. Close clamp arms.

3. Turn pilot switch OFF, engage swing brake and turn off the engine. Block tracks.

4. Remove the saw manifold cover.

5. Remove the saw chain. Refer to REPLACING SAW CHAIN - HYDRAULIC TENSION in this section.

‘G1’ TEST PORT

SAW MANIFOLD 6. Connect a 0-345 bar (0-5000 psi) pressure gauge at the ‘G1’ test port on the saw manifold.

FD5195-015

7. Start the engine and set the engine speed control to low idle.

8. Turn the pilot system on.

9. Press and hold the tilt lock control (right hand joystick trigger switch).

3.62

Tigercat Bar Saw Felling Head

Service and Maintenance

CHECKING THE TILT LOCK FUNCTION NOTE: The saw control manifold pressures must be at specified operating pressures prior to checking the tilt lock function. If adjustments are required, refer to the applicable machine SAW CONTROL MANIFOLD HYDRAULIC SETUP PROCEDURE in this section

SEQUENCE VALVE

NOTE: All adjustments to the tilt lock manifold must be performed with the head securely on the ground with the engine off. Make minor adjustments and repeat as necessary.

NOTE: The tilt lock should not be used during normal felling operations as damage to the tilt cylinders could result.

1. Start the machine and set the engine speed control to low idle.

2. Turn the pilot system on.

LOGIC VALVE

3. Raise the boom/head above the ground high enough so the head will not hit the ground when tilted down.

4. Tilt the head up. Saw switch off. Press and hold the saw BAR RETRACT button. Tap SAW with retract button. Head should fall smoothly.

TILT LOCK MANIFOLD

5. If the head does not fall until you release the saw BAR RETRACT button, then increase (turn clockwise) the bottom valve (logic valve) on the TILT LOCK manifold and repeat the test.

6. Tilt the head up. Saw switch off. Press and hold the TILT LOCK control. Tap SAW with retract button. The head should not fall.

Release the TILT LOCK control. The head should fall smoothly.

FD5195-023 FD5195-013

7. If the head falls all the way while holding the TILT LOCK control, then decrease (turn counterclockwise) the bottom valve (logic valve) on the tilt lock manifold.

TILT LOCK MANIFOLD

10. If the head falls a small amount after releasing the saw, then increase the saw output STOP time in the machine computer system - 750ms approximately. Other saw outputs are Min 250mA, Start 200ms.

8. If the head falls partially while holding the TILT LOCK control, then increase (turn clockwise) the top valve (sequence valve) on the tilt lock manifold.

11. Adjustments of the logic and or the sequence valve, and the tilt lock pressure may be required.

9. Tilt the head up. Saw switch on. Press and hold the TILT LOCK control. Press and hold the SAW with bar retract button for 2 seconds then release the saw button (still hold TILT LOCK). Head should not fall.

12. Ensure all test function correctly (4,6, and 9). Later adjustments may cause previously passed sections to fail.

3.63

Service and Maintenance

Tigercat Bar Saw Felling Head

HEAD BLEED PROCEDURE The following procedure outlines the steps required to fill the hydraulic components and related hoses with oil and evacuate (bleed) the air from the circuits. This bleed procedure must be performed for a new head installation.

LOOSEN SAW MOTOR PLUG LOOSEN 6 PLUGS ON TOP OF SAW MANIFOLD

NOTE: After a head has been commissioned, removal, and or replacement of any single hydraulic component, hose, or fitting will require bleeding of the component and the related hoses.

1. Park machine on firm level ground. Set head firmly on ground with tilt up locks installed if applicable. Position booms to prevent boom creep. Hydraulic oil must be at operating temperature.

FD5195-026

SAW MANIFOLD AND SAW MOTOR

9. Loosen all plugs on the top of the saw manifold and leave open until oil weeps out free of air.

2. Close clamp arms.

3. Turn pilot switch OFF, engage swing brake and turn off the engine. Block tracks.

10. Loosen the plug on the top of the saw motor. (do not remove) and leave open until oil weeps out free of air.

4. Remove the saw manifold cover.

5. Remove the saw chain. Refer to REPLACING SAW CHAIN - HYDRAULIC TENSION in this section.

LOOSEN SAW MOTOR CASE DRAIN FITTING

LOOSEN HOSE AT THE SAW BAR DCV

T2 PORT

G1 TEST PORT G2 TEST PORT FD5195-015

SAW MANIFOLD

FD5195-026

SAW MANIFOLD AND SAW MOTOR

11. Connect a drain hose to the gauge test port fitting in ‘T2’ port. Drain oil into a container.

Disconnect the hose when oil is free of air.

6. Connect 0-345 bar (0-5000 psi) pressure gauges to test port ‘G1’ and ‘G2’ on the saw manifold. Install a gauge test port fitting in ‘T2’ port.

12. Loosen the hose at the saw bar DCV valve on the saw manifold and the case drain fitting at the saw motor. Ensure oil is present at the motor before proceeding.

7. Start the engine and set the engine speed control to low idle.

8. Turn the pilot system on.

3.64

Tigercat Bar Saw Felling Head

Service and Maintenance

PORT PLUGS (2)

DCV2 SAW MOTOR CONTROL

BLEED SCREW

BLEED SCREW 20. Open the bleed screw on the saw tension housing and the 2 port plugs on the ends of the tension housing. Press and release the saw bar extend button until all air has escaped. Tighten the plugs and bleed screw.

FD5195-037

SAW MANIFOLD FD5195-015 13. Adjust the saw motor control DCV2 in completely then out 1/4 turn. This step will prevent the saw motor from spinning. The motor will creep but should not spin faster then approximately 30 rpm.

14. Loosen the saw bar cylinder rod and base end hoses at the cylinder.

21. Press and release the saw bar retract button.

The bar will retract. Repeat until all air has escaped from the saw bar base end hose. and then tighten the hose.

15. Ensure the area where the saw bar sweeps is clear.

22. Turn the pilot switch off and turn off the engine.

16. Press and hold the saw bar extend button.

The saw bar may extend while the button is pressed.

23. The hydraulic pressures settings must be checked and adjusted. Refer to the applicable machine SAW CONTROL MANIFOLD HYDRAULIC SETUP PROCEDURE in this section.

NOTE: Pressure gauges in ‘G1’ and ‘G2’ should be less than or equal to the auxiliary pressure setting, but not zero.

NOTE: The saw motor should not be spinning (creeping is OK). If the saw motor is spinning turn in the saw motor control DCV2 until the spinning stops.

17. Oil and air will bleed out the saw bar DCV hose, the saw motor case fitting, and the saw bar cylinder hoses.

NOTE: Air in the saw bar DCV hose will cause response delays with bar extending and retracting during the saw cutting, possibly causing pinched bars.

18. Tighten the plugs in the top of the saw manifold when the oil is free of air.

19. Release the saw bar extend button and press again. Repeat until air free oil is bleeding from the saw bar DCV hose, saw motor case fitting, and the saw bar cylinder rod end hose and then tighten the hoses.

3.65

Service and Maintenance

Tigercat Bar Saw Felling Head

BAR SAW HYDRAULIC TEST PROCEDURE (FD5195 ON S855C) This test procedure is intended to allow a technician to verify the hydraulic pressures and correct operation of the bar saw head without performing a complete hydraulic setup procedure.

G1 TEST PORT

This test procedure verifies the following:

G2 TEST PORT

a. Auxiliary supply pressure(s) b. Clamp open and close c.

Head rotate

FD5195-015

SAW MANIFOLD

d. Head tilt e. Saw motor speed f.

Saw bar operation

B

g. Chain tension system

A

h. Chain oil system PRE TEST PROCEDURE CHECKS 1. Hydraulic oil must be at operating temperature during this procedure.

‘LS’ TEST PORT

2. Park the machine on firm level ground. Set the head firmly on the ground with the tilt up locks installed. Stick boom fully extended to prevent boom creep.

53165B04

‘P’ TEST PORT

MAIN VALVE (S855C SHOWN)

7. Connect a 0-345 bar (0-5000 psi) pressure gauge to the following test ports:

3. Close the clamp arms.

4. Turn the pilot switch off, engage the swing brake and turn off the engine. Block the tracks.

‘G1’ on the saw manifold ‘G2’ on the saw manifold

5. Remove the saw manifold cover.

‘P’ on the machine main valve.

6. Remove the saw chain. Refer to REPLACING SAW CHAIN - HYDRAULIC TENSION in this section.

‘LS’ test port on the main pump or main valve.

NOTE: The LS pressure sensor in the machine computer system can be used, however verify the accuracy of this sensor prior to use.

3.66

Tigercat Bar Saw Felling Head TEST PROCEDURE

Service and Maintenance

3. With the engine at high idle, arms fully closed, press and hold the clamp open thumb switch.

The arms should open in 1.6-1.8 seconds.

When the arms are moving, the LS pressure should be lower than the fully open pressure.

Once the arms are fully open, the pressure should be 190 ± 3 bar (2800 ± 50 psi). The pump displacement (flow) and load on the engine should both be relatively high, and oil will be going over the port relief.

Auxiliary supply pressure(s) 1. Read pressures on gauge at the LS test port (main pump or main valve).

NOTE: The LS pressure sensor in the machine computer system can be used, however verify the accuracy of this sensor prior to use.

2. Press and hold the saw bar retract button. If the tilt lock is installed, the pressure should be 31 ± 1.5 bar (450 ± 25 psi). If the tilt lock is not installed, the pressure should be 55 ± 1.5 bar (800 ± 25 psi). If the saw bar was extended, it should retract, the saw motor will rotate slowly while the saw bar retract is active.

NOTE: If the clamp open and close speed and pressure adjustments are not to specification, refer to CLAMP ARM SPEED ADJUSTMENT, and CLAMP ARM PRESSURE ADJUSTMENT in this section.

Check head rotate speed and pressures

3. Press and hold the saw bar extend button. If the tilt lock is installed, the pressure should be 31 ± 1.5 bar (450 ± 25 psi). If the tilt lock is not installed, the pressure should be 55 ± 1.5 bar (800 ± 25 psi). If the saw bar was retracted, it should extend, the saw motor will rotate slowly while the saw bar extend is active.

1. Read pressures on gauge at the ‘P’ test port (main pump or main valve).

NOTE: The LS pressure in the machine computer can also be used but the pressures will be lower by the margin pressure setting on the main pump.

2. With the head off the ground, rotate continuously in one direction. Time for 3 complete revolutions should be 16-17 seconds. The pressure should be below the port relief setting on the main valve. Monitor the main pump flow, it should be very low.

Repeat procedure in the opposite direction.

The pressure and main pump flows should be similar in both directions.

4. Press and hold tilt lock (if equipped). The pressure should be 55 ± 1.5 bar (800 ± 25 psi). The saw motor will rotate slowly while the tilt lock is active.

Clamp open and close speeds and pressures 1. Read pressures on the ‘P’ test port gauge (main pump or main valve).

NOTE: The LS pressure in the machine main computer can also be used but the pressures will be lower by the margin pressure setting on the main pump.

3. Plant the head firmly on the ground to prevent rotation. Rotate in both directions. The pressure should be 120 ± 1.5 bar (1700 ± 25 psi) in both directions.

2. With the engine at high idle, clamp arms fully open, press and hold the clamp close thumb switch. The arms should close in 1.8-2.0 seconds. When the arms are moving, the LS pressure should be significantly lower than the fully closed pressure. Once the arms are fully closed, pressure should be 250 ± 3 bar (3600 ± 50 psi). The pump displacement (flow) and load on the engine should both be relatively low, and no oil going over the port relief.

NOTE: If the head rotate speed and pressure adjustments are not to specification, refer to ROTATE PRESSURE AND SPEED ADJUSTMENT in this section.

3.67

Service and Maintenance

Tigercat Bar Saw Felling Head

Check head tilt up speed and pressure

Check saw motor speed

1. Read pressures on gauge at the ‘P’ test port (main pump or main valve).

1. Ensure chain is off. Position the head so you can safely measure saw speed. Stay clear of the sweep of the saw bar.

NOTE: The LS pressure in the machine computer can also be used but the pressures will be lower by the margin pressure setting on the main pump.

2. With engine at high idle, saw switch on, press and hold the saw (auto) button for 3-4 seconds. The measured saw speed should be 4300-4500 rpm. Do not operate any other functions on the main pump while checking saw speed as the interaction between the functions can distort the saw speed. This includes not using the saw with grapple close button. It is useful to record the saw max mA value from the output screen in the machine computer as well as the main pump flow once you’ve verified the speed is correct.

2. With the head off the ground, press and hold tilt up. Tilt up should take 2.2-2.5 seconds.

The pressure when up fully should be 210 ± 3 bar (3000 ± 50 psi). The main pump flows should be very low.

3. With the saw switch off, head up fully, tap the saw (auto) button. The head should fall smoothly and take 1.2-1.5 seconds.

NOTE: If the saw motor speed adjustment is not to specification, refer to SAW MOTOR SPEED ADJUSTMENT in this section.

4. If tilt lock equipped, saw switch off, head up fully, press and hold the tilt lock button (right joystick trigger). Tap the saw (auto) button.

The head should not fall. Release the tilt lock button and the head should fall normally.

Check saw bar speed and pressure 1. Read pressures on the gauge at the ‘G1’ test port on the saw manifold.

5. If tilt lock equipped, saw switch off, head up fully, press and hold the bar retract. Tap the saw (auto) button. The head should fall normally.

2. Ensure chain is off. Tilt the head up, and install the tilt locks. Position the head securely on the ground. Stay clear of the sweep of the saw bar.

6. If tilt lock equipped, engine at high idle, saw switch on, head up fully, press and hold the tilt lock button (right joystick trigger). Press and hold the saw (auto) button for 2 seconds then release the saw button. The head should not fall. Release the tilt lock button and the head should fall normally.

3. With engine at high idle, saw switch on, press and hold the saw (auto) button for 2-3 seconds. The pressure should be 83-90 bar (1200-1300 psi). The saw bar should take 1.5-2.0 seconds to fully extend.

NOTE: If the head tilt up speed and pressure adjustment is not to specification, refer to TILT UP PRESSURE AND SPEED ADJUSTMENT - FD5195 ON S855C in this section.

PRV1 BAR PRESSURE

NOTE: For tilt down speed adjustment procedure refer to TILT DOWN SPEED ADJUSTMENT in this section.

FD5195-016

SAW MANIFOLD

NOTE: If the saw bar pressure is not to specification, make minor adjustments to the PRV1 and recheck the pressure as outlined in step 3.

NOTE: If the saw bar speed is not to specification, refer to SAW BAR EXTEND SPEED SETUP in this section.

3.68

Tigercat Bar Saw Felling Head Check chain tension system 1. Read pressures on gauge at the ‘G2’ test port on the saw manifold.

2. Ensure chain is off. Tilt the head up, and install the tilt lock. Position the head securely on the ground. Stay clear of the sweep of the saw bar.

3. With engine at high idle, saw switch on, press and hold the saw (auto) button for 2-3 seconds. The pressure should be 55-61 bar (790-890 psi).

4. With engine at low idle, press and hold bar extend. Turn off the engine. Using the chain install tool, attempt to compress the bar holder without pressing the pilot button. You should only get slow movement of the bar holder.

A spongy movement is a sign of trapped air.

Refer to BLEEDING THE CHAIN TENSION SYSTEM in this section. Press the pilot button and the bar holder should move freely.

NOTE: If the pressure is not to specification, make minor adjustments to the PRV2 and recheck the pressure as outlined in step 3.

Chain oil system The chain oil system is shipped shut off from the factory. Turn the oil flow control cartridge valve 1/3 turn counterclockwise to activate. Operate the bar extend/retract several times until oil comes out onto the bar. For more information on the chain lubrication, refer to CHAIN LUBRICATION and SAW CHAIN OIL SETUP in this section.

3.69

Service and Maintenance

Service and Maintenance

Tigercat Bar Saw Felling Head

BAR SAW HYDRAULIC TEST PROCEDURE - FC5185 AND FW5185 This test procedure is intended to allow a technician to verify the hydraulic pressures and correct operation of the bar saw head without performing a complete hydraulic setup procedure.

G1 TEST PORT

This test procedure verifies the following:

G2 TEST PORT

a. Auxiliary supply pressure(s) b. Clamp open and close c.

Saw motor speed

d. Saw bar operation

SAW MANIFOLD FD5195-015 TEST PROCEDURE

e. Chain tension system

Auxiliary supply pressure(s)

f.

1. Read pressures on gauge at the LS test port (main pump or main valve).

Chain oil system

PRE TEST PROCEDURE CHECKS

NOTE: The LS pressure sensor in the machine computer system can be used, however verify the accuracy of this sensor prior to use.

1. Hydraulic oil must be at operating temperature during this procedure.

2. Park machine on firm level ground. Position the head safely on a support that will allow access to remove the saw chain. Position booms to prevent boom creep.

2. Press and hold the saw bar retract button.

The pressure should be 35 ± 1.5 bar (500 ± 25 psi). If the saw bar was extended, it should retract, the saw motor will rotate slowly while the saw bar retract is active.

3. Close the clamp arms.

4. Turn the pilot switch off, engage the swing brake and turn off the engine. Block the tracks.

3. Press and hold the saw bar extend button.

The pressure should be 35 ± 1.5 bar (500 ± 25 psi). If the saw bar was retracted, it should extend, the saw motor will rotate slowly while the saw bar extend is active.

5. Remove the saw manifold cover.

6. Remove the saw chain. Refer to REPLACING SAW CHAIN - HYDRAULIC TENSION in this section.

Clamp open and close speeds and pressures 1. Read pressures on the ‘P’ test port gauge (attachment pump or attachment valve).

7. Connect a 0-345 bar (0-5000 psi) pressure gauge to the following test ports:

2. With the engine at high idle, clamp arms fully open, press and hold the clamp close thumb switch. The arms should close in 1.8-2.0 seconds. When the arms are moving, the LS pressure should be significantly lower than the fully closed pressure. Once the arms are fully closed, pressure should be 255 ± 3 bar (3650 ± 50 psi). The pump displacement (flow) and load on the engine should both be relatively low, and no oil going over the port relief.

‘G1’ on the saw manifold ‘G2’ on the saw manifold ‘P’ on the machine main valve ‘LS’ test port on the main pump or main valve NOTE: The LS pressure sensor in the machine computer system can be used, however verify the accuracy of this sensor prior to use.

3.70

Tigercat Bar Saw Felling Head 3. With the engine at high idle, arms fully closed, press and hold the clamp open thumb switch.

The arms should open in 1.6-1.8 seconds.

When the arms are moving, the LS pressure should be lower than the fully open pressure.

Once the arms are fully open, the pressure should be 225 ± 3 bar (3250 ± 50 psi). The pump displacement (flow) and load on the engine should both be relatively low, and no oil will be going over the port relief.

NOTE: If the clamp open and close speed and pressure adjustments are not to specification, refer to CLAMP ARM SPEED ADJUSTMENT, and CLAMP ARM PRESSURE ADJUSTMENT in this section.

Check saw motor speed 1. Ensure chain is off. Position the head so you can safely measure saw speed. Stay clear of the sweep of the saw bar.

2. With engine at high idle, saw switch on, press and hold the saw (auto) button for 3-4 seconds. The measured saw speed should be for a 60cc motor 4300-4500 rpm, and a 40cc motor 5600-5800 rpm. Do not operate any other functions on the main pump while checking saw speed as the interaction between the functions can distort the saw speed. This includes not using the saw with grapple close option. It is useful to record the saw max mA value from the output screen in the machine computer as well as the main pump flow once you’ve verified the speed is correct.

NOTE: If the saw motor speed adjustment is not to specification, refer to SAW MOTOR SPEED ADJUSTMENT in this section.

Chain oil system The chain oil system is shipped shut off from the factory. Turn the oil flow control cartridge valve 1/3 turn counterclockwise to activate. Operate the bar extend/retract several times until oil comes out onto the bar. For more information on the chain lubrication, refer to CHAIN LUBRICATION and SAW CHAIN OIL SETUP in this section.

3.71

Service and Maintenance

Service and Maintenance

Tigercat Bar Saw Felling Head

FC5185 AND FW5185 PRESSURE AND SPEED SETTINGS PRESSURE DOCUMENTATION (CARRIER SETUP) ALL PRESSURES MEASURED AT 'P' UNLESS NOTED Saw motor pressure setting (system) Saw motor pressure relief (cracking pressure) Saw motor flow setting (computer control max mA) (40cc motor) Saw motor flow setting (computer control max mA) (60cc motor) Bar extend/retract pressure setting (operating) Bar extend/retract flow setting

315 340 250 290

bar bar L/min L/min

35 bar 30 L/min

Clamp open/close pressure setting Clamp close port relief setting (cracking pressure) Clamp close feed reducer (if applicable) Clamp open port relief setting (cracking pressure) Clamp open feed reducer (if applicable)

255 280 255 225 220

bar bar bar bar bar

4550 4900 66 76

psi psi US gpm US gpm

500 psi 7 US gpm 3650 4050 3650 3250 3150

psi psi psi psi psi

SAW MANIFOLD PRESSURES Bar extend/retract pressure setting (PRV1) 83 bar 1200 Chain tension pressure setting (PRV2) 55 bar 800 Saw motor control pressure setting (DCV2) * (at P) 54 bar 780 Saw motor control pressure setting (DCV2) * (at G1) 36 bar 520 * with bar pressure on, motor spinning, turn in until motor stops or creeps slowly

psi psi psi psi

SAW MANIFOLD SPEEDS Bar extend speed setting (FCEXT) Bar retract speed setting (FCRET - if installed)

1.5-2.0 sec 0.6-0.8 sec

Saw motor speed setting (40cc motor) Saw motor speed setting (60cc motor) Check max motor backpressure (T4)

45 bar

CLAMP SPEEDS Clamp open (start with slower times and increase to desired) Clamp close (start with slower times and increase to desired) FC5185 FW5185 PRESSURE AND SPEED SETTINGS R2.PDF

3.72

5800 rpm 4500 rpm 650 psi

1.6-1.8 sec 1.8-2.0 sec

Tigercat Bar Saw Felling Head

Service and Maintenance

FD5195 PRESSURE AND SPEED SETTINGS (S855C) PRESSURE DOCUMENTATION (CARRIER SETUP) ALL PRESSURES MEASURED AT 'P' UNLESS NOTED Saw motor pressure setting (system) Saw motor pressure relief (cracking pressure) Saw motor flow setting (computer control max mA) (40cc motor) Saw motor flow setting (computer control max mA) (60cc motor)

315 340 250 290

bar bar L/min L/min

4550 4900 66 76

psi psi US gpm US gpm

Bar pressure reducing valve (early machine) Bar pressure reducing valve (early machine with PSB2215 installed) Auxiliary pressure setting (at G1, min mA) Auxiliary pressure setting (at G1, max mA) Bar extend/retract flow setting

72.5 90 31 55 30

bar bar bar bar L/min

1050 1300 450 800 7

psi psi psi psi US gpm

Rotate CW pressure setting Rotate CW flow setting Rotate CCW pressure setting Rotate CCW flow setting

120 40 120 40

bar L/min bar L/min

1700 10 1700 10

psi US gpm psi US gpm

Tilt up pressure setting Tilt up flow setting

210 bar 40 L/min

3000 psi 10 US gpm

Clamp open/close pressure setting Clamp close port relief setting (cracking pressure) Clamp close flow setting Clamp open port relief setting (full flow) Clamp open flow setting

250 285 190 195 135

bar bar L/min bar L/min

3600 4100 50 2800 35

psi psi US gpm psi US gpm

SAW MANIFOLD PRESSURES Bar extend/retract pressure setting (PRV1) Chain tension pressure setting (PRV2) Saw motor control pressure setting (DCV2) (at P) Saw motor control pressure setting (DCV2) (at G1)

83 55 75 57

bar bar bar bar

1200 800 1090 825

psi psi psi psi

SAW MANIFOLD SPEEDS Bar extend speed setting (FCEXT) Bar retract speed setting (FCRET - if installed)

1.5-2.0 sec 0.6-0.8 sec

Saw motor speed setting (40cc motor) Saw motor speed setting (60cc motor) Check max motor backpressure (T2)

55 bar

ROTATE SPEEDS Rotate CW speed setting (time for 3 revolution) Rotate CCW speed setting (time for 3 revolution)

5800 rpm 4500 rpm 800 psi

16-17 sec 16-17 sec

TILT SPEEDS Tilt up speed setting (carrier) (time from horizontal/hanging to up stop) Tilt up speed setting (computer control) (time from horizontal/hanging to up stop) Tilt down speed setting (flow control on rotary manifold) (time from up stop to horizontal)

1.8-2.0 sec 2.4-2.6 sec 1.2-1.5 sec

CLAMP SPEEDS Clamp open (start with slower times and increase to desired) Clamp close (start with slower times and increase to desired)

1.6-1.8 sec 1.8-2.0 sec

FD5195 PRESSURE AND SPEED SETTINGS R2.PDF

3.73

Service and Maintenance

Tigercat Bar Saw Felling Head

WRIST ASSEMBLY - STANDARD TORQUE This wrist assembly is designed to rotate the felling head a full 340°, 170° each side of the vertical position.

NOTE: The stop block is only a guide and will not withstand full carrier loading. If an application requires full rotation, Tigercat recommends removing the stop block and using caution not to over rotate and damage hoses. It is the responsibility of the operator to observe the limits of rotation and prevent component damage.

NOTE: Left, right, clockwise and counterclockwise directions are always as viewed by the machine operator when seated in the cab facing forward.

Grease fittings are provided for lubrication of the wrist bearing and each pinion. Refer to LUBRICATION POINTS in this section.

A wrist bearing with teeth on the outer race is attached to the back of the felling head, the inner race is attached to the boom adapter.

Lubrication of the output shaft bearings is accomplished by using case drain oil from the hydraulic motors. For additional information refer to WRIST HYDRAULIC CIRCUIT DESCRIPTION in this section.

DESCRIPTION

Three hydraulic motors are mounted to three output shaft housings which are attached to the back of the boom adapter. The hydraulic motor shaft is connected to each output shaft by splines, the pinion end of the output shafts are meshed with the gear teeth on the outer race of the wrist bearing. Running all three motors simultaneously causes the pinions on the output shafts to rotate the wrist bearing outer race and rotate the felling head. To prevent the felling head from exceeding the 340° rotation, a stop at the top of the wrist bearing spacer will make contact with a stop block positioned at the bottom of the boom adapter.

WRIST MOTORS

WRIST MOTOR MANIFOLD

CASE PRESSURE TEST PORT (ON OUTPUT SHAFT HOUSING)

WRIST CLOCKWISE SAW-D12A

WRIST COUNTERCLOCKWISE

WRIST ASSEMBLY - STANDARD TORQUE 3.74

DRAIN AND RETURN MANIFOLD

Tigercat Bar Saw Felling Head

Service and Maintenance WRIST BEARING LUBRICATION FITTINGS (EARLIER DESIGN)

LOCATED UNDER LEFT HAND WRIST MOTOR (SHOWN WITH COVER REMOVED FOR CLARITY

WRIST BEARING INNER RACE

GREASE FITTINGS

3 - GREASE FITTINGS

WRIST BEARING LUBRICATION FITTINGS (LATER DESIGN) FELLING HEAD

PINION COVER/ GREASE RETAINER

WRIST BEARING OUTER RACE

WRIST BEARING INNER RACE

BOOM ADAPTER

2 - GREASE FITTINGS BOOM ADAPTER

HOSE GUARD MOTOR COVER

PINION COVER/ GREASE RETAINER LINER, HOSE GUARD

MOTOR COVER

HOSE GUIDE

STOP BLOCK

OUTPUT SHAFT ASSEMBLY

SHEAR-10

WRIST ASSEMBLY - STANDARD TORQUE 3.75

HYDRAULIC MOTOR

Service and Maintenance

Tigercat Bar Saw Felling Head

WRIST ASSEMBLY - HIGH TORQUE

NOTE: The stop block is only a guide and will not withstand full carrier loading. If an application requires full rotation, Tigercat recommends removing the stop block and using caution not to over rotate and damage hoses. It is the responsibility of the operator to observe the limits of rotation and prevent component damage.

DESCRIPTION This wrist assembly is designed to rotate the felling head a full 340°, 170° each side of the vertical position.

NOTE: Left, right, clockwise and counterclockwise directions are always as viewed by the machine operator when seated in the cab facing forward.

Grease fittings are provided for lubrication of the wrist bearing and each of the three pinions. Refer to LUBRICATION POINTS in this section.

A wrist bearing with teeth on the outer race is attached to the back of the felling head, the inner race is attached to the boom adapter.

Lubrication of the output shaft bearings is accomplished by using case drain oil from the hydraulic motors. For additional information refer to 340° WRIST HYDRAULIC CIRCUIT DESCRIPTION in this section.

Three hydraulic motors and output shaft assemblies which are attached to the back of the boom adapter. The pinion end of the output shafts are meshed with the gear teeth on the outer race of the wrist bearing. Running all three motors simultaneously causes the pinions on the output shafts to rotate the wrist bearing outer race and rotate the felling head. To prevent the felling head from exceeding the 340° rotation, a stop at the top of the wrist bearing mounting plate will make contact with a stop block positioned at the bottom of the boom adapter.

WRIST MOTOR

WRIST MOTORS

CASE PRESSURE TEST PORT

WRIST CONTROL MANIFOLD

DRAIN AND RETURN MANIFOLD SAW-156

WRIST ASSEMBLY - HIGH TORQUE 3.76

Tigercat Bar Saw Felling Head

Service and Maintenance WRIST BEARING LUBRICATION FITTINGS (EARLIER DESIGN)

LOCATED UNDER LEFT HAND WRIST MOTOR (SHOWN WITH COVER REMOVED FOR CLARITY

WRIST BEARING INNER RACE

GREASE FITTINGS

3 - GREASE FITTINGS

WRIST BEARING LUBRICATION FITTINGS (LATER DESIGN) FELLING HEAD

PINION COVER/ GREASE RETAINER

WRIST BEARING OUTER RACE

WRIST BEARING INNER RACE BOOM ADAPTER 2 - GREASE FITTINGS BOOM ADAPTER

HOSE GUARD MOTOR COVER

PINION COVER/ GREASE RETAINER

LINER, HOSE GUARD

HOSE GUIDE

MOTOR COVER

STOP BLOCK

HYDRAULIC MOTOR

FC5185-101

WRIST ASSEMBLY - HIGH TORQUE 3.77

Service and Maintenance

Tigercat Bar Saw Felling Head

WRIST HYDRAULIC CIRCUIT DESCRIPTION

The counter balance valves control the relief or holding pressure of the wrist. If a load on the head over powers the motors, the counter balance valve on the outlet side of the motors closes to limit the pressure, metering the oil out to provide controlled falling of the head. Relief oil and charge oil flows through the check valves to the work lines, keeping positive charge pressure on the work lines to prevent cavitation

The components of this circuit are the main pump, the pilot manifold and the wrist section located on the main valve. Mounted to the boom adapter are three hydraulic motors, a wrist control manifold, and a drain manifold. The wrist control manifold contains 4 check valves, 2 counter balance valves, 2 shuttle valves and an optional relief and external pilot connection for the float feature.

Refer to WRIST CONTROL MANIFOLD in this section.

For lubrication purposes a small percentage of oil is allowed to leak into the case of the motors and into the output shaft housing, filling them with hydraulic oil to lubricate the bearings. A drain line connected to each of the three output shaft housings directs surplus oil back to tank.

A wrist clockwise or counterclockwise electrical signal from a wrist button or trigger is sent to the computer control system. The computer control system sends an electrical signal out to the corresponding wrist solenoid on the pilot manifold, the corresponding solenoid shifts and allows pilot pressure to shift the spool in the wrist valve section.

The optional float feature allows an external pilot source to pilot open the counter balance valves, reducing the effective relief or holding pressure to allow the head to rotate more freely. This is advantageous for certain harvesting applications, e.g. manipulating trees on the ground with boom and swing without requiring excessive force to over power the wrist.

When there is no wrist clockwise or counterclockwise signal, the solenoid valve is in the de-energized position preventing pilot oil flow to the wrist spool ends.

The float feature incorporates shuttle valves, a relief valve and external pilot connection. The shuttle valves allow either work port pressure or the external pilot to pilot open the counter balance valves. The relief valve is used to adjust the float pressure, when a constant pressure pilot source is used.

When there is a signal from the wrist clockwise or counterclockwise control via the computer control system, the solenoid valve will be placed in the energized position directing pilot oil to shift the spool in the wrist valve section. This will direct oil from the main pump to the wrist motors.

Speed of rotation of the wrist action is adjustable and controlled by spool stops in the pilot end caps of the wrist spool section of the main control valve or via computer settings.

In addition some adjustments to the wrist can be made electronically through the computer control system. Refer to WRIST ELECTRONIC ADJUSTMENT PROCEDURE in the machine specific service manual.

The wrist control manifold has 4 check valves, 2 counter balance valves, 2 shuttle valves and an optional relief and external pilot connection for the float feature.

The work lines each have a check valve blocking return flow to the carrier control valve.

The counter balance valves are configured in a cross-ported arrangement, allowing relief flow to the opposite work line and normal return flow to the return/charge line. The return/charge line is kept at positive pressure by carrier supply. Anticavitation check valves allow flow from the return/ charge line to the work lines to keep work lines at a positive pressure to prevent cavitation and drift. The counter balance valves also incorporate check valves to allow anti-cavitation flow to the work lines.

3.78

Tigercat Bar Saw Felling Head

Service and Maintenance

WRIST MOTORS (X3)

WRIST CONTROL MANIFOLD

WRIST CCW FROM MACHINE

DRAIN AND RETURN MANIFOLD

WRIST CW FROM MACHINE

WRIST RETURN AND MAKE UP OIL

FD5195-024

WRIST CIRCUIT DIAGRAM 3.79

CASE DRAIN FROM WRIST MOTORS

Service and Maintenance

Tigercat Bar Saw Felling Head

WRIST CONTROL MANIFOLD VA = Oil supply A-port from carrier VB = Oil supply B-port from carrier A1, A2, A3 = A-ports to motors B1, B2, B3 = B-ports to motors T1 = Oil return to carrier (teed to saw return at stick) CV1, CV2, CV3, CV4 = check valves CBA, CBB = counterbalance valves SB, SA = shuttle valves GA, GB = gauge ports F = external pilot source to pilot open counterbalance valves (optional float feature)

WRIST-018

WRIST CONTROL MANIFOLD

RV = relief valve (optional float feature) F T3

T3

RV CV4

CV4

CV3

CV3

GA

GA

49352B01

WRIST MANIFOLD

49352B02

B3

B3

B2

B2

B1

B1

FC5185-100

WRIST MANIFOLD WITH OPTIONAL FLOAT

SCHEMATIC WRIST MANIFOLD

FC5185-102

3.80

SCHEMATIC WRIST MANIFOLD WITH OPTIONAL FLOAT

Tigercat Bar Saw Felling Head

Service and Maintenance

WRIST TROUBLESHOOTING

WRIST GENERAL SETUP PROCEDURE

KNOWN SYMPTOMS OF SPECIFIC VALVES

Follow all servicing and safety recommendations in machine and attachment operator and service manuals.

Check valve CV2 and CV4 •

Loss of rotate torque/speed and/or wrist will not hold in a position when stopped if the check valve is not seating.

The general setup procedure includes: A. INITIAL START-UP PROCEDURE

Check valve CV1 and CV3 •

•

Loss of rotate control in a runaway condition when rotating, however the wrist will hold when stopped, if the check valve is not seating.

Before beginning this procedure motor cases and output shaft housings must be filled with clean, filtered oil and bled of trapped air. Wrist bearing and pinions must be greased.

B. CHECK CASE PRESSURE

Wrist may jerk or bang when reversing rotate direction if the check valve isn’t initially seated when rotation begins.

Shuttle valve SA and SB •

Wrist falls over with poor control if the shuttle valves are missing or damaged.

•

No wrist rotation. A stuck shuttle may prevent pilot oil from shifting the counterbalance valve open preventing rotation.

Checking case pressure verifies that hose connections are correct before making wrist adjustments.

C. ADJUST COUNTERBALANCE VALVE (HOLDING) PRESSURE D. WRIST ELECTRONIC ADJUSTMENT PROCEDURE E. ADJUST WRIST ROTATE SPEED (CYCLE TIME)

Charge pressure

IMPORTANT !

•

During the following procedures, do not hold any function control for longer than 5 seconds.

•

Charge pressure must be maintained to maintain control. Always park head in a stable position when machine is off. Do not rely on the wrist to hold as there is no charge pressure when machine is off and saw is not running.

The high torque motors are a cam-piston design and require positive charge pressure on both work ports to maintain control. If charge pressure is low, or if case pressure is high, the pistons will come off the cam and the motor will free-wheel, with the pistons potentially striking the cam causing a rattling sound and piston/cam damage.

Avoid blowing oil over relief longer than 5 seconds, as excessive heating of hydraulic fluid and damage to pump can occur.

Refer also to PRESSURE AND SPEED SETTINGS chart in SECTION 3 of machine SERVICE MANUAL for specific machine pressure and speed specifications.

WARNING The felling head will be rotated side to side during this procedure. Operator must ensure that no one is near the felling head during this procedure.

The swing brake should be applied at all times during this procedure.

SERVICE HINT Wrist Motor and Output Shaft Seal (High Torque) •

The pinion seal of the high torque motor is installed in a bolt-on seal retaining cap on the front of the pinion housing. Refer to MOTOR AND OUTPUT SHAFT SEAL REPLACEMENT (HIGH TORQUE WRIST) in this section.

Additional motor disassembly is not required unless motor damage is suspected.

3.81

Service and Maintenance

Tigercat Bar Saw Felling Head

A. INITIAL START-UP PROCEDURE

There are two 90° fittings below the lower right hand motor.

When installing a wrist assembly for the first time or after performing a major service where hydraulic hoses have been disconnected, the wrist motors and output shaft housings must be filled with hydraulic oil prior to start-up.

TYPICAL FOR ALL MOTORS

The left fitting (closest to the wrist centre) is the wrist return and makeup oil.

The right fitting (furthest from the wrist centre) is the wrist motor drain connection.

OUTPUT SHAFT HOUSING CASE OUTPUT SHAFT DRAIN PORT MOTOR CASE DRAIN PLUG

It is very important that the wrist return and makeup oil and wrist motor drain lines be connected correctly. If these lines are connected incorrectly failure of the wrist motors and/or wrist output shaft assemblies will occur. To verify correct connection always check case pressure in the output shaft housings before operating the attachment under load. Refer to CHECK CASE PRESSURE in this section.

WRIST MOTOR

WRIST WRIST COUNTERCLOCKWISE CLOCKWISE CONNECTION CONNECTION

FC5185-004

WRIST RETURN AND MAKEUP OIL

MOTOR CASE AND OUTPUT SHAFT DRAINS - STANDARD TORQUE WRIST OUTPUT SHAFT HOUSING

TYPICAL FOR ALL MOTORS

MOTOR HOUSING TOP BLEED PORT

FLOAT EXTERNAL PILOT CONNECTION (OPTIONAL)

OUTPUT SHAFT HOUSING CASE DRAIN PORT

FC5185-009

MOTOR CASE DRAIN PLUG

WRIST MOTOR

WRIST-019

WRIST MOTOR DRAIN CONNECTION

MOTOR CASE AND OUTPUT SHAFT DRAINS HIGH TORQUE WRIST

This can be accomplished by pressurizing the hydraulic tank. Then loosen all three drain line fittings on the output shaft housings and also the case drain plugs on the three motors. Hydraulic oil under pressure from the hydraulic tank will flow backwards through the drain lines to fill the output shaft housings and motors and bleed the air from the system. When hydraulic oil appears at the fittings, tighten the fittings. Refer to BASE MACHINE SERVICE MANUAL for HYDRAULIC TANK PRESSURIZATION procedure.

A new wrist installation must be lubricated before being used, Refer to LUBRICATION SCHEDULE in this section.

3.82

HOSE CONNECTIONS

Tigercat Bar Saw Felling Head

Service and Maintenance

B. CHECK CASE PRESSURE

WARNING

1. Park machine on firm level ground, lower the felling head to the ground, engage swing brake and stop the engine. Block tracks.

The felling head will be rotated side to side during this procedure. Operator must ensure that no one is near the felling head during this procedure.

The swing brake should be applied at all times during this procedure.

2. Ensure hydraulic oil is at operating temperature.

6. Rotate wrist fully counterclockwise then rotate wrist fully clockwise.

TEST PORT

FC5185-011

STANDARD TORQUE WRIST CASE PRESSURE TEST PORT (LEFT HAND OUTPUT SHAFT HOUSING)

7. Case pressure reading should not be higher than 1.4 bar (20 psi). If pressure is too high check wrist motor drain connection.

8. Position head vertically 150 mm (6 in) off the ground.

9. Case pressure reading should not be higher than 1.4 bar (20 psi). If pressure reading is 4.1 bar (60 psi) or higher check the wrist return and make up oil line for correct connection. It is likely that the wrist return and make up oil have been crossed during installation. Refer to illustration for correct hose connection information. If case pressure reading is very high it may be that the case drain line is not connected, pinched, or plugged. Recheck all connections.

10. Set engine speed control to low idle and stop the engine.

11. Remove gauge.

WRIST CLOCKWISE CONNECTION

TEST PORT

FC5185-008

WRIST COUNTERCLOCKWISE CONNECTION

WRIST MOTOR DRAIN CONNECTION

WRIST RETURN AND MAKEUP OIL

HIGH TORQUE WRIST CASE PRESSURE TEST PORT (LEFT HAND MOTOR HOUSING)

3. Connect a 0-35 bar (0-500 psi) gauge to the case pressure test port, located on the left hand motor output shaft housing or the left hand motor housing. The wrist will be operated during this procedure, place the gauge in a location where it can be read safely.

FLOAT EXTERNAL PILOT CONNECTION (OPTIONAL) FC5185-009

4. Start engine and place the engine speed control to high idle.

HOSE CONNECTIONS

CAUTION When installing or re-installing a 340° wrist it is very important that the WRIST RETURN AND MAKEUP OIL and WRIST MOTOR DRAIN lines be connected correctly. If these lines are connected incorrectly failure of the wrist motors and/or wrist output shaft assemblies will result.

5. Raise the head slightly off the ground and tilt forward so that head is horizontal.

3.83

Service and Maintenance

Tigercat Bar Saw Felling Head

C. ADJUST COUNTERBALANCE VALVE (HOLDING) PRESSURE

6. Close the cab door and press the pilot reset switch to activate the pilot system.

For machines with the wrist control on the attachment valve (Parker) proceed to step 1.

7. Loosen the lock nuts and turn the feed reducer screws on the wrist section of the attachment valve in all the way and tighten the lock nuts.

For machines with the wrist on Main Valve (Linde) refer to step 13.

ATTACHMENT VALVE (PARKER) SET FEED REDUCERS AND ATTACHMENT PUMP POR

8. Temporarily increase the attachment pump POR setting.

Refer to the machine manual for correct attachment pump POR gauge location.

With the aid of an assistant raise the boom and rotate the felling head wrist fully to one side. While holding the joystick wrist trigger switch depressed, loosen the locknut on the POR adjustment screw on the attachment pump and turn the screw in until gauge reading (main pressure relief valve setting) is:

Prior to adjusting the wrist manifold counterbalance valves, the machine wrist section feed reducers and attachment pump POR must be temporarily adjusted. Note that temporary adjustment specifications are different for standard torque wrists and high torque wrists for proper adjustment and wrist operation.

INLET SECTION

MAIN RELIEF VALVE

Standard torque wrist = 227 bar (3300 psi) High torque wrist = 276 bar (4000 psi)

P INLET (FROM PUMP)

GAUGE PORT PL

9. Set the wrist feed reducer for one direction.

With the aid of an assistant raise the boom and rotate the felling head wrist fully to one side. While holding the joystick wrist trigger switch depressed.

GAUGE PORT PX LS PORT

Loosen the lock nut and set the feed reducer screw until the pressure gauge reading meets wrist feed reducer specifications* and tighten the lock nut. *NOTE: Wrist feed reducer settings are:

PS PILOT PRESSURE SUPPLY FROM PILOT MANIFOLD T1 OUTLET (TO RETURN MANIFOLD)

Standard torque wrist = 210 bar (3050 psi) High torque wrist = 251 bar (3650 psi) 10. Set wrist feed reducer for the other direction.

COUNTER PRESSURE VALVE

With the aid of an assistant raise the boom and rotate the felling head wrist fully to the other side. While holding the joystick wrist trigger switch depressed.

860C-407A ATTACHMENT VALVE 1. Park the machine on level ground, lower the felling head to the ground, engage the swing brake and stop engine.

Loosen the lock nut and set the feed reducer screw until the pressure gauge reading meets the wrist feed reducer specifications* and tighten the lock nut.

2. Ensure that the hydraulic oil is at operating temperature.

3. Connect a 0-350 bar (0-5000 psi) pressure gauge to the attachment control valve ‘PX’ test port.

11. Reset the attachment pump POR setting so that the gauge reading meets the attachment pump POR specifications*.

4. Connect a 0-350 bar (0-5000 psi) pressure gauge to the test port for measuring attachment pump POR. Refer to carrier manual for correct attachment pump POR gauge location.

5. Start the engine and set engine speed to high idle.

*NOTE: Attachment pump POR settings are: Standard torque wrist = 207 bar (3000 psi) High torque wrist = 248 bar (3600 psi) 12. Set the engine speed to low idle, shut the engine off and remove gauges. Proceed to step 21.

3.84

Tigercat Bar Saw Felling Head

Service and Maintenance

MAIN VALVE (LINDE) SET WRIST SECTION PORT RELIEFS

DANGER Observe all safety precautions outlined in this manual and the base machine service manual when performing this procedure.

Prior to adjusting the wrist manifold counterbalance valves the machine wrist section port reliefs must be temporarily adjusted. Note that temporary adjustment specifications are different for standard torque wrists and high torque wrists for proper adjustment and wrist operation.

WARNING The felling head will be rotated side to side during this procedure. Operator must ensure that no one is near the felling head during this procedure.

The swing brake should be applied at all times during this procedure.

13. Park the machine on level ground, lower the felling head to the ground, engage the swing brake and stop engine.

14. Ensure that the hydraulic oil is at operating temperature.

15. Connect a 0-350 bar (0 - 5000 psi) pressure gauge to the main control valve ‘xP’ test port on the main control valve manifold. Refer to label on machine to verify the location of the wrist section on the main valve.

16. Start the engine, and set the engine speed to low idle.

17. Close the cab door and press the pilot reset switch to activate the pilot system.

18. Set the wrist port relief for one direction.

'PX' TEST PORT

With the aid of an assistant raise the boom and rotate the felling head wrist fully to one side. While holding the joystick wrist trigger switch depressed.

845C-032A

MAIN VALVE (EXAMPLE) WRIST CW PORT RELIEF

Check the gauge reading and adjust the port relief valve to meet the wrist section port relief specifications*. Turn the adjusting screw in to increase the pressure or turn screw out to decrease the pressure.

B A

*NOTE: Wrist section port relief settings are: Standard torque wrist = 207 bar (3000 psi) High torque wrist = 248 bar (3600 psi)

WRIST CCW PORT RELIEF

19. Set the wrist port relief for the other direction.

MAIN VALVE (EXAMPLE)

845C-042

With the aid of an assistant raise the boom and rotate the felling head wrist fully to the other side. While holding the joystick wrist trigger switch depressed.

SPOOL TRAVEL STOP • 19mm WRENCH • 6mm ALLEN KEY ADJUSTING SCREW • 5mm ALLEN KEY

Check the gauge reading and adjust the port relief valve to meet the wrist section port relief specifications*. Turn the adjusting screw in to increase the pressure or turn screw out to decrease the pressure.

LOCKNUT • 17mm WRENCH PORT RELIEF VALVE

20. Set the engine speed to low idle, shut the engine off and remove the gauges. Proceed to next step.

MAIN VALVE BODY

90744-3

3.85

MAIN VALVE PORT RELIEF VALVE

Service and Maintenance

Tigercat Bar Saw Felling Head 23. Remove the right motor cover and connect two 0-350 bar (0-5000 psi) pressure gauges to the upper and lower test ports on the distribution manifold.

SET COUNTERBALANCE VALVE PRESSURE Prior to adjusting wrist manifold counterbalance valves, machine settings must be set as outlined above. Note that adjustment specifications* are different for standard torque wrists and high torque wrists for proper adjustment and wrist operation.

NOTE: The head will be moved during this procedure so gauges must be mounted so they can be read safely by an assistant.

24. Start the engine and place the engine speed control to low idle.

NOTE: There are three types of counterbalance valves in use, either Sun, Eaton or Rexroth.

Adjustment is different for each type of valve.

Verify which valve is being used prior to adjusting.

Both valves must be the same type for proper operation.

NOTE: Increase engine speed slightly if pressure reading on pressure gauge is erratic.

Do not rotate the wrist at low idle with the head in a vertical position. Wrist damage and loss of control may occur at low idle with the head in a vertical position. Always position the head tilted forward so that the wrist is in the horizontal plane when engine speed is set to low idle.

25. Close the cab door and press the pilot reset switch to activate the pilot system.

26. Adjust the counterbalance valve for clockwise wrist rotation.

FC5185-014

FC5185-013

NOTE: This adjustment procedure requires the wrist stop block to be installed and in good condition. If the stop block is missing or damaged the head rotation must be firmly supported against the ground or otherwise blocked from rotating.

SUN COUNTERBALANCE VALVE

With the aid of an assistant raise the boom and position the head tilted forward so that the wrist is in the horizontal plane. Rotate the felling head wrist fully clockwise. While holding the joystick wrist trigger switch depressed.

EATON COUNTERBALANCE VALVE

Check the gauge reading at GA and adjust the counterbalance valve adjusting screw CBA. TEST PORT GB CBA

SAW195

REXROTH COUNTERBALANCE VALVE

21. Park the machine on firm level ground, lower the felling head to the ground, engage the swing brake and stop the engine. Block tracks.

CBB

22. Ensure that the hydraulic oil is at operating temperature.

WRIST-018

3.86

TEST PORT GA

WRIST CONTROL MANIFOLD

Tigercat Bar Saw Felling Head

Service and Maintenance

For Sun counterbalance valve

For Rexroth counterbalance valve

Adjust clockwise so it just starts to crack open and relieve (pressure on the gauge starts to drop), then turn the screw counterclockwise until the pressure on the gauge is stable (stops relieving) then turn a further 1/8 turn counterclockwise.

Adjust clockwise so it just starts to crack open and relieve (pressure on the gauge starts to drop), then turn the screw counterclockwise until the pressure on gauge is stable (stops relieving) then turn a further 1/8 turn counterclockwise.

For Eaton counterbalance valve

28. Check the wrist for proper operation when both counterbalance valves have been adjusted.

Adjust counterclockwise so it just starts to crack open and relieve (pressure on the gauge starts to drop), then turn the screw clockwise until the pressure on the gauge is stable (stops relieving) then turn a further 1/8 turn clockwise.

CBA is the clockwise adjusting valve. CBB is the counterclockwise adjusting valve.

However when troubleshooting possible problems it may be the opposite direction that needs adjustment. For example if the head falls counterclockwise the problem is likely with CBA and if the head falls clockwise the problem is likely to be CBB.

For Rexroth counterbalance valve Adjust clockwise so it just starts to crack open and relieve (pressure on the gauge starts to drop), then turn the screw counterclockwise until pressure on the gauge is stable (stops relieving) then turn a further 1/8 turn counterclockwise.

29. Set the engine speed to low idle, shut the engine off, remove the gauges and replace the covers.

27. Adjust the counterbalance valve for counterclockwise wrist rotation.

With the aid of an assistant raise the boom and position the head tilted forward so that the wrist is in the horizontal plane. Rotate the felling head wrist fully counterclockwise.

While holding the joystick wrist trigger switch depressed.

Check the gauge reading at GB and adjust the counterbalance valve adjusting screw CBB. For Sun counterbalance valve Adjust clockwise so it just starts to crack open and relieve (pressure on the gauge starts to drop), then turn the screw counterclockwise until the pressure on the gauge is stable (stops relieving) then turn a further 1/8 turn counterclockwise.

For Eaton counterbalance valve Adjust counterclockwise so it just starts to crack open and relieve (pressure on the gauge starts to drop), then turn the screw clockwise until the pressure on the gauge is stable (stops relieving) then turn a further 1/8 turn clockwise.

3.87

Service and Maintenance

Tigercat Bar Saw Felling Head

D. WRIST ELECTRONIC ADJUSTMENT PROCEDURE These instructions are for machines equipped with a later computer control system. For machines equipped with the earlier computer control system refer to machine service manual for electronic adjustment procedures.

Adjustments to the attachment control system made through adjust menu of computer control system electronically adjust the performance of the attachment to suit operating conditions. Refer to the machine manuals for more computer control system information.

This procedure makes adjustments to fine tune the operating speed and start/stop ramps for the wrist clockwise and counterclockwise rotation functions. (wrist Current OUT signal).

5. Use the computer to access wrist adjustments.

1. Park the machine on firm level ground, lower the felling head to the ground, engage the swing brake and stop the engine. Block tracks.

2. Ensure that the hydraulic oil is at operating temperature.

3. Start the engine and set the engine speed to high idle.

DANGER Observe all safety precautions outlined in this manual and the base machine service manual when performing this procedure.

4. Close the cab door and press the pilot reset switch to activate pilot system.

WARNING The felling head will be rotated side to side during this procedure. Operator must ensure that no one is near the felling head during this procedure.

The swing brake should be applied at all times during this procedure.

3.88

You are then able to move through the following adjustments: • • • •

Min Current Max Current Startslope Stopslope

Tigercat Bar Saw Felling Head DETERMINE MIN CURRENT VALUE

Service and Maintenance

There should be no movement (notice the Actual value [mA] shown on the left side of the screen indicates the actual output to the control valve). Begin increasing the Max Current value, while still holding the function.

Use the Arrow UP to adjust.

Once the function just begins to move, press OK. Release the function control and make note of (or remember) this number.

Set Min Current to the number determined above.

Select Min Current

Use the Arrow UP to adjust. Press OK to confirm setting.

The Min Current setting is now adjusted to the proper level. This level provides just enough spool shift for the function to begin to move.

6. Use the computer to temporarily set the Min Current value to zero.

Select Min Current

Use the Arrow DOWN to reset value to zero. Press OK to confirm setting.

Temporarily reduce the Max Current value to zero.

Select Max Current

Use the Arrow DOWN to reset value to zero. Do not press OK

For this function the value is typically about 200mA (factory default), however will vary slightly from machine to machine (due to slight differences in the coils, spool cut on the valve, and various attachment manufacturers).

ADJUST MAX CURRENT 7. The Max Current is an adjustment of the maximum function speed (cycle time).

Refer also to ADJUST WRIST ROTATE SPEED (CYCLE TIME) in this section for a full adjustment procedure and recommended cycle time.

Raise felling head and position head so that the wrist is in the vertical plane. Activate and hold the function being adjusted, in the direction being adjusted. (In this example Wrist (+) CCW )

For the wrist function this value is typically about 400 mA (factory default), however will vary slightly from machine to machine (due to slight differences in the coils, spool cut on the valve, and various attachment manufacturers) – and of course, the largest factor in this case is operator preference.

3.89

Service and Maintenance

Tigercat Bar Saw Felling Head

ADJUST START SLOPE 8. The start slope is an adjustment for the amount of time that it takes for the function to ramp from the Minimum value to the Maximum value. If either the Min or Max values are improperly adjusted, the start slope may not produce the desired results.

ADJUST STOP SLOPE 9. The stop slope is an adjustment for the amount of time that it takes for the function to ramp from the Maximum value to the Minimum value. If either the Min or Max values are improperly adjusted, the stop slope may not produce the desired results.

The recommended setting for the start slope on the wrist is 400-600 ms.

The recommended setting for the stop slope on the wrist is 600-1000 ms.

Increasing this value will make the start acceleration smoother.

Increasing this value will make the deceleration smoother.

Decreasing this value will make the start acceleration more harsh (additional stresses on attachments, wrists, and boom systems).

Decreasing this value will make the deceleration more harsh (additional stresses on attachments, wrists, and boom systems).

Use the Arrow UP/DOWN buttons to adjust. Press OK to confirm setting.

Use the Arrow UP/DOWN buttons to adjust. Press OK to confirm setting.

Note that an excessively long start slope can give the operator a poor feel for the head, as if the function is always overshooting its intended target. The purpose for making this adjustable is to accommodate the various preferences of different operator’s for the feel of functions.

10. Repeat steps 6 to 9 for the Wrist (-)CCW function.

3.90

Tigercat Bar Saw Felling Head

Service and Maintenance

E. ADJUST WRIST ROTATE SPEED (CYCLE TIME) A stopwatch will be required for this procedure.

1. Park the machine on firm level ground, lower the felling head to the ground, engage the swing brake and stop the engine. Block tracks.

DANGER Observe all safety precautions outlined in this manual and the base machine service manual when performing this procedure.

2. Ensure that the hydraulic oil is at operating temperature.

3. Start the engine and set the engine speed to high idle.

9. Use the computer control system to adjust wrist rotate speed.

4. Close the cab door and press the pilot reset switch to activate pilot system.

Adjust the Max Current to achieve recommended rotate speed to meet specifications*.

WARNING

Refer to the machine manual for more computer control system information.

The felling head will be rotated side to side during this procedure. Operator must ensure that no one is near the felling head during this procedure.

The swing brake should be applied at all times during this procedure.

5. Raise felling head and position head so that the wrist is in the vertical plane.

6. Rotate head fully counterclockwise.

Note that on some machines the wrist control valve may need to be adjusted if wrist cycle times cannot be adjusted correctly using the computer control system settings. Refer to the machine manual for more information.

10. Repeat this procedure rotating the felling head in the opposite direction to measure the speed in the counterclockwise direction.

7. Rotate the head fully clockwise and use a stop watch to measure the time for a full clockwise rotation (340°).

8. The cycle time should be meet specifications* for a full stop to stop clockwise rotation. *NOTE: Wrist cycle times settings are: FC5185 8-10 seconds Disc Saw 10.5-11 seconds Shear 10.5-11 seconds

3.91

Service and Maintenance

Tigercat Bar Saw Felling Head

OUTPUT SHAFT DISASSEMBLY/ASSEMBLY (STANDARD TORQUE WRIST) 1. Park the machine on firm level ground. Block the wheels or tracks. Engage the parking brake or swing brake. Position the felling head tilted forward 90° and resting on the ground.

MOTOR CASE DRAIN PLUG

2. Stop the engine and turn the master disconnect switch OFF.

MOTOR SECURING BOLTS (4)

3. Remove protective cover to access wrist motor.

4. Before disassembly operation, remove any accumulation of dirt or debris from surrounding area.

5. Disconnect all hydraulic tubing from the affected wrist motor and the output shaft housing. Plug all ports and cap tubing to prevent entry of dirt.

6. Remove the case drain plug from the wrist motor and drain any hydraulic oil remaining in the motor, replace plug.

7. Remove the (4) bolts securing the wrist motor to the output shaft housing and remove the wrist motor from output shaft housing. Cover exposed shaft end of motor.

NOTE: The motor shaft has no support bearings and will be loose (side to side, in and out). A loose shaft is not and indication of motor failure.

OUTPUT SHAFT DRAIN CONNECTION

OUTPUT SHAFT HOUSING SECURING BOLTS (8)

WRIST MOTOR AND OUTPUT SHAFT REMOVAL 8. Remove the (8) bolts securing the output shaft housing to the boom adapter and remove the output shaft from the boom adapter.

SAW-D18

9. Before disassembly of output shaft, remove all grease and dirt accumulation from the outside of the assembly.

SEAL, O-RING

HOUSING SHIM(S) BETWEEN SHOULDER RING AND INNER RACE *SHOULDER RING (SEE NOTE)

SEAL RING, TEFLON

OUTPUT SHAFT

RETAINING RING MOTOR MOUNT O-RING

SEAL COLLAR

MOTOR SHAFT ‘V’ CUP SEAL RING

WIPER

*NOTE: EARLIER MACHINES DID NOT HAVE SHOULDER RING FACTORY INSTALLED. SAW126

BOOM ADAPTER

UPPER BEARING

LOWER BEARING

OUTPUT SHAFT ASSEMBLY

3.92

SPACER (REQUIRED ON EARLIER MODELS)

Tigercat Bar Saw Felling Head 10. Remove shoulder ring, retaining ring and shims from output shaft. (Note some earlier machines did not have a shoulder ring factory installed).

Service and Maintenance

seal seating tool Tigercat part number 19057A or fingers to smooth out the inside diameter of the seal ring after installation.

11. Rest housing on blocks in upright position, pinion down and press out shaft complete with seal collar and inner race of lower bearing.

23. Check wiper groove in seal collar to ensure it is clean and dry. Insert a new wiper into the groove with lip facing out, see OUTPUT SHAFT ASSEMBLY illustration.

12. Remove old oil seal (teflon ring and O-ring) from groove of housing and discard. never reuse any part of old seal.

24. Position housing with lower bearing facing up. Support inner race of upper bearing with special tool Tigercat part number 19049A.

13. Remove wiper from collar and discard.

25. Oil teflon seal ring surface, wiper and bearings and install output shaft into housing, lightly tap into position so that sealing collar slips into the teflon seal ring and the wiper slips into the housing. (Note: To prevent extrusion of the wiper, carefully push it in around the edge of the collar once it starts to engage the housing).

If only replacing the seal go to step 21.

14. Remove seal collar and lower bearing inner race from shaft.

15. Press out both upper and lower bearings from housing.

16. Thoroughly clean housing and shaft.

Use only enough pressure to seat the bearings. Check to ensure the shaft is installed straight, collar clears housing and wiper is evenly positioned.

17. Lightly oil bore of housing and press a new upper bearing into the housing. Use special tool Tigercat part number 19047A. 18. Lightly oil bore of housing and press a new lower bearing into the housing. Use special tool Tigercat part number 19047A. 19. Heat sealing collar and lower bearing inner race in a bearing oven to 120°C (250°F), do not place on floor of oven. (Maximum 1.5 hours).

20. Install seal collar and lower bearing inner race onto shaft. Press both on simultaneously by supporting inner race (using a spacer Tigercat part number 19048A) and pressing down on pinion end of shaft.

21. Clean seal groove in housing and insert new O-ring part of seal into groove. Keep inside of housing clean and free from contaminants.

TAKE CARE NOT TO CREASE THE SEAL RING WHILE FORMING

SAW127

26. Install shoulder ring and retaining ring on shaft (square edge of shoulder ring next to snap ring) and check shaft end play, use feeler gauge between upper bearing inner race and shoulder ring, maximum allowable end play is 0.15 mm - 0.25 mm (0.006 in - 0.010 in). Add or remove shims between shoulder ring and inner race to achieve correct end play. Using a soft faced hammer gently tap the end of the shaft until the shoulder ring is snug to the snap ring.

27. Turn housing over. Check seal collar for run-out. Place the base of a dial indicator on the housing and zero the dial on the seal collar, rotate the shaft one revolution use tool Tigercat part number 19122A, maximum allowable run-out is .05 mm (0.002 in). Repeat in different locations of the seal collar.

TEFLON SEAL RING INSTALLATION

22. Insert new teflon part of seal into groove in housing on top of O-ring. Collapse the ring as shown, taking care not to crease the seal ring.

Place into groove as shown. Coat the inside surface of the seal with hydraulic oil and use 3.93

Service and Maintenance

Tigercat Bar Saw Felling Head ENSURE SEAL RING IS INSTALLED AS SHOWN

OUTER FACE SEAL COLLAR OUTPUT OF BOOM SHAFT ADAPTER HOUSING WRIST BEARING

INSTALL ‘V’ CUP SEAL ON MOTOR SHAFT

SAW-D19

POSITION SEAL RING IN RECESS AS SHOWN

OUTER FACE OF BOOM ADAPTER 28. Clean mating surfaces and install output shaft assembly onto the boom adapter. Align gear teeth of pinion shaft with the gear teeth on the wrist bearing. Use special tool Tigercat part number 19056A to rotate housing to align mounting holes. Secure in place with (8) retaining bolts, torque bolts.

SAW-D17

INSTALL A NEW O-RING ONTO WRIST MOTOR HOUSING

NOTE: Ensure that the seal collar does not protrude through the outer face of the boom adapter and interfere with the wrist bearing or grease retainers.

INSTALL ‘V’ CUP SEAL ON MOTOR SHAFT

SAW-D20

29. Install drain tube/fittings onto output shaft housing and fill housing with clean, filtered hydraulic oil.

30. Install V cup seal onto wrist motor shaft as shown in fig. D19 and position in recess, fig.

D20. Install a new O-ring onto wrist motor housing.

MOTOR CASE DRAIN PLUG

31. Install the wrist motor onto the output shaft housing. Secure in place with (4) retaining bolts, torque bolts.

MOTOR SECURING BOLTS (4)

NOTE: The wrist motor should easily fit onto the output shaft housing. Any interference, gap or misalignment will result in failure of the output shaft and/or the motor. Therefore fit problems must be corrected immediately.

OUTPUT SHAFT DRAIN CONNECTION OUTPUT SHAFT HOUSING SECURING BOLTS (8)

32. Re-connect all hydraulic tubing and replace protective cover.

33. Fill housing and motors with oil. See INITIAL START-UP PROCEDURE in this section.

BOOM ADAPTER SAW-D18

3.94

WRIST MOTOR AND OUTPUT SHAFT REMOVAL

Tigercat Bar Saw Felling Head

Service and Maintenance

MOTOR AND OUTPUT SHAFT SEAL REPLACEMENT (HIGH TORQUE WRIST)

9. Install an appropriate lifting strap in the lifting bracket on the motor.

1. Park machine on firm level ground, lower felling head to the ground. Position the felling head tilted forward 90° and resting on ground.

NOTE: Open clamp arms fully to allow the felling head to be resting in a horizontal position. Block the head to ensure it is fully supported. Engage the swing brake and block the tracks.

10. Remove the (8) socket head bolts securing the motor and output shaft assembly to the boom adapter. Do not remove the 12 bolts securing the motor to the pinion housing. Remove the motor and the output shaft assembly using a suitable lifting device.

2. Relieve the hydraulic pressure in the lines connected to the saw head, wrist boom adaptor and tank pressure. For procedure to relieve pressure, refer to machine operator’s manual.

11. Place motor and the output shaft assembly on blocks in upright position with the pinion facing up.

SEAL HOUSING JACKING SCREW LOCATION

BOLTS (10)

3. Stop the machine engine and turn the master disconnect switch OFF. 4. Remove protective cover to access wrist motor(s).

5. Before disassembly operation, remove any accumulation of dirt or debris from surrounding area.

MOTOR AND OUTPUT SHAFT ASSEMBLY SECURING BOLTS (8) WRIST MOTOR

OUTPUT SHAFT DRAIN CONNECTION 51733-001

MOTOR CASE DRAIN PLUG

LIFTING BRACKET

MOTOR AND OUTPUT SHAFT HIGH TORQUE WRIST

12. Remove the (10) bolts from the seal housing, take (2) bolts and install them in the provided jacking screw locations on the seal housing.

Use jacking screws to evenly remove the seal housing.

13. Remove old oil seal (teflon ring and O-ring) from groove of housing and discard. Never reuse any part of old seal.

TYPICAL FOR ALL THREE MOTORS

FC5185-010

JACKING SCREW LOCATION

MOTOR AND OUTPUT SHAFT HIGH TORQUE WRIST

6. Mark all saw head and boom adaptor hoses, tubes and fittings to identify connections.

7. Disconnect the wrist motor hoses from the connections on the wrist motors. Cap or plug all open hydraulic ports and hose ends to prevent entry of dirt. Collect all hydraulic oil to prevent spills. Dispose of all fluids properly.

14. Clean seal housing thoroughly.

15. Carefully clean any dirt, debris, and grease out of pinion housing, do not damage the sealing collar.

16. Inspect all visible components for any sign of damage and check the sealing collar for an even wear pattern.

8. Remove the case drain plug from the wrist motor and drain any hydraulic oil remaining in the motor, replace plug.

MUST BE A SMOOTH, POLISHED SURFACE WITH NO DAMAGE WRIST-016

3.95

PROPER WEAR PATTERN

Service and Maintenance

Tigercat Bar Saw Felling Head

SEAL HOUSING SEAL (GREEN O-RING & WHITE SEAL RING)

3

9

O-RING

BOLTS (10)

8

6

2

1 5

7 4

51733B-001

MOTOR AND OUTPUT SHAFT ASSEMBLY (HIGH TORQUE WRIST) 51733B 17. Clean seal groove in seal housing and insert new green O-ring part of the seal into the groove. Keep inside of housing clean and free from contaminants.

10

BOLT TIGHTENING PATTERN

22. Tighten bolts using hand tools in a cross pattern as shown. Torque bolts in a 2-stage process using a cross pattern as shown.

Begin with torque wrench set to 8 N-m (6 lbfft). Re-set torque wrench to 15.6 N-m (11.5 lbf-ft) and repeat cross-pattern torquing.

23. Clean mating surfaces and install motor and output shaft assembly onto the boom adapter.

Align gear teeth of pinion shaft with the gear teeth on the wrist bearing. Use special tool Tigercat part number 19056A to rotate housing to align mounting holes. Secure in place with (8) retaining bolts, torque bolts.

TAKE CARE NOT TO CREASE THE SEAL RING WHILE FORMING

24. Re-connect the wrist motor hoses.

SAW127

TEFLON SEAL RING INSTALLATION

18. Insert new white teflon part of seal into groove in housing on top of O-ring. Collapse ring as shown, taking care not to crease the seal ring.

Place into groove as shown. Coat the inside surface of the seal with clean, filtered hydraulic oil and use fingers to smooth out the inside diameter of the seal ring after installation.

19. Using clean, filtered hydraulic oil, lightly oil and install face seal O-ring. Also lightly oil the seal contact surface of the pinion shaft sealing collar.

25. Before moving the saw head fill housing and motors with oil, purge all air from the 3 wrist motors and 3 output shaft housings by cracking the case port connections and pressurizing the hydraulic tank. Refer to INITIAL START-UP PROCEDURE and CHECK CASE PRESSURE in this section.

NOTE: Motor and output shaft failure will occur if air is not purged.

26. Replace protective covers.

20. Install seal housing on pinion housing, keeping housing square to prevent seal damage.

21. Apply anti-seize to the (10) seal housing bolts.

Install bolts, starting with 2 opposite sides and start threads by hand. Before tightening bolts rotate the shaft one revolution (use tool Tigercat part number 19122A) to set the seal.

3.96

Tigercat Bar Saw Felling Head

Service and Maintenance

MOTOR AND OUTPUT SHAFT CONVERTING RIGHT HAND AND LEFT HAND ASSEMBLIES (HIGH TORQUE WRIST)

MOTOR PORTS

High torque wrist motor and output shaft assemblies are either left hand (one installed on the left side of the wrist) or right hand (two installed on the right side of the wrist). Both left hand and right hand motor and output shaft assemblies have identical parts, the only difference between a left hand and right hand assembly is the motor orientation. Therefore it is possible to convert a left hand or right hand motor and output shaft assembly to the opposite hand assembly as required.

1. Place the motor and output shaft assembly on blocks in upright position with the pinion facing up. Use an appropriate lifting strap in the lifting bracket on the motor and a suitable lifting device to position the assembly.

2. Before disassembly operation, remove any accumulation of dirt or debris if required.

RIGHT HAND ASSEMBLY

LEFT HAND ASSEMBLY WRIST-101

Right hand assembly has motor ports away from large curve on housing.

Left hand assembly has motor ports towards large curve on housing.

6. Apply Loctite 518 (or equivalent anaerobic sealant) to counter bore faces of motor mounting bolt holes.

3. Remove the 12 bolts securing the motor to the pinion housing.

5

WRIST-101

5. Carefully lift the motor cover and rotate 180°.

Install motor cover and align bolt holes.

Ensure the motor O-ring in the groove on the face of the support housing is not moved out of place, damaged or pinched. Remove the 5mm Allen key.

9

8

1

2

17

10

4. Insert a 5mm Allen key through a work port, marked L or R, of the motor and into the distributor so it will not fall out. Port plugs will have to be removed and the piston block (hollow spline bore) may have to be rotated to align slots in the distributor with the Allen key.

Either port can be used subject to the best alignment of port and inner slot.

3

BOLTS (12)

INSERT 5 MM ALLEN KEY THROUGH DISTRIBUTOR IN EITHER WORK PORT TO HOLD IN PLACE

WRIST-102

11

4

12

6

BOLT TIGHTENING PATTERN

7. Apply anti-seize to the 12 motor to the pinion housing bolts. Install bolts, starting with 2 opposite sides and start threads by hand.

Removing the centre port plug is necessary to install the 2 bolts on the work port side.

8. Tighten bolts using hand tools in a cross pattern as shown. Torque bolts in a 3-stage process using a cross pattern as shown.

Begin with torque wrench set to 68 N-m (50 lbf-ft). Re-set torque wrench to 108 N-m (80 lbf-ft) and repeat cross-pattern torquing Reset torque wrench to 145 N-m (107 lbf-ft) and repeat cross-pattern torquing.

9. Complete torquing procedure by checking each bolt in a circular pattern to ensure no bolts were missed.

10. Reinstall any fittings removed during the procedure.

3.97

Service and Maintenance

19048AIL

Tigercat Bar Saw Felling Head

19047AIL

19049AIL

SEAL RING ASSEMBLY TOOL (PART # 19048A)

SHAFT ASSEMBLY BEARING SUPPORT TOOL (PART # 19049A)

19122AIL

ROTARY SEAL ASSEMBLY TOOL (PART # 19057A)

19056AIL

19051AIL

SEAL RING REMOVAL TOOL (PART #19051A)

19057AIL

BEARING ASSEMBLY TOOL, DOUBLE (PART # 19047A)

PINION ROTATING TOOL (PART # 19122A)

HOUSING ALIGNMENT TOOL (PART # 19056A)

BEARING NUT TOOL (PART # 38257A)

WRIST ASSEMBLY - SPECIAL TOOLS AVAILABLE FROM TIGERCAT

3.98

Tigercat Bar Saw Felling Head

Service and Maintenance

WRIST BEARING SEAL

OUTER RACE

INNER RACE

WRIST BEARING ASSEMBLY

SAW-D21

WRIST BEARING SEAL REPLACEMENT A seal on either side of the wrist bearing is in place to prevent entry of dust and other foreign material that would cause damage to the bearing.

WRIST BEARING SEALS

3. Apply adhesive, 3M-1300 adhesive, into the groove of the wrist bearing.

4. Start inserting the seal into the groove, make sure that the end of the seal is cut square.

Work around the diameter pressing the seal all the way into the groove. The seal should be even with out any bumps.

5. Cut the end of the seal square with a sharp knife to form a butt joint. Bond ends of seal together with Loctite 495 adhesive.

6. Wipe away any excess adhesive.

OUTER RACE SAW128

INNER RACE

7. Apply grease to wrist bearing as outlined in felling head LUBRICATION SCHEDULE in this manual.

WRIST BEARING ASSEMBLY

Inspect the seals for damage during maintenance of the wrist assembly. If a seal is damaged or is coming out of the groove it should be replaced.

The seal consists of a one piece strip long enough to go all the way around the groove.

1. Remove the damaged seal.

2. Clean the groove thoroughly with brake fluid or similar cleaning solvent that leaves no residue.

Removing all traces of old adhesive, dirt and grease. Ensure that the groove is completely dry after cleaning.

3.99

Service and Maintenance

Tigercat Bar Saw Felling Head

WRIST BEARING WEAR LIMITS It is important that the wrist bearing be periodically inspected for wear. Any significant wear will be noticeable by observing the attachment’s movement. A small amount of clearance in the bearing is normal and is present in a new attachment.

7. Average both readings for the radial clearance.

Too much clearance will affect the backlash between the ring gear and the drive pinion for the 340° wrist. If left unchecked, this will cause damage to the gear teeth.

The main cause of wear in the ball race can be due to a lack of lubricant or not following the proper lubricating procedure. A damaged or missing peripheral seal will also contribute to early wear by allowing dirt particles to enter the ball race.

Regular inspection of the seal should be carried out and the proper lubricating procedure should be followed, refer to LUBRICATION SCHEDULE in this manual.

SAW161

WRIST RADIAL CLEARANCE CHECK

TILT CLEARANCE CHECK PROCEDURE 1. Position the saw or shear fully suspended on the machine’s boom.

Radial clearance

2. Set the base of the dial indicator on the boom adapter and the indicator against the rear surface of the saw or shear. This location should be on the vertical at the highest of lowest point close to the bearing. Zero the dial indicator.

NOTE: Radial clearance in a bearing can only be measured with the bearing laying flat on a table.

3. Lower the boom and apply pressure to the saw or shear.

New bearing = 0.004” maximum

4. Read and record the dial indicator reading.

When the bearing needs replacement = 0.083”

5. Rotate the head 90° or fully in one direction, whichever is less and repeat the procedure.

WEAR LIMITS (340° WRIST)

Tilt clearance New bearing = 0.006” maximum

6. Average both readings for the tilt clearance.

When the bearing needs replacement = 0.108” RADIAL CLEARANCE CHECK PROCEDURE NOTE: Radial clearance in a bearing can only be measured with the bearing laying flat on a table.

1. Using a ‘C’ clamp, clamp the inner and outer races together.

2. Mount a dial indicator base on the outer race and the indicator on the bore of the inner race in line with the clamp. Zero the dial indicator.

3. Using a second ‘C’ clamp, snuggly clamp the inner and outer races together directly opposite (180°) the first clamp.

4. Gradually loosen the first clamp and tighten the second clamp.

5. Read and record the dial indicator reading when the races are fully tightened the opposite way.

SAW160

6. Move the clamps and dial indicator 90° and repeat the procedure.

3.100

WRIST TILT CLEARANCE CHECK

Tigercat Bar Saw Felling Head

Service and Maintenance

WRIST BEARING MOUNTING TORQUE SEQUENCE (340° STANDARD AND HIGH TORQUE WRIST)

3

4 23

13

NOTE: Use anti-seize on all bolts.

20

10

1. Torque all bolts to initial torque of 271-339 Nm (200-250 lbf-ft) in sequence shown.

5 3 1 7

11

15

Bearing to boom adapter (inner circle)

9

24 15

13

7 9

19

17

18

20

16 22

2. Torque bolts to final torque of 596-624 N-m (440-460 lbf-ft) in sequence shown.

10

8 2 4 6

3.101

12 17 14

18 6

SAW191A

8

12

21

1. Torque all bolts to initial torque of 244-298 Nm (180-220 lbf-ft) in sequence shown.

11

14

19

Bearing to head (outer circle)

2. Torque bolts to final torque of 393-420 N-m (290-310 lbf-ft) in sequence shown.

1

16

2

5

WRIST BEARING TORQUE SEQUENCE

Service and Maintenance

Tigercat Bar Saw Felling Head

TOOL SIZE CHART - BAR SAW ASSEMBLY Metric tool sizes

Use Carrier Functions Saw bar pressure supply PRV Saw main pressure flow stop Saw main pressure port relief Tilt up flow stop Tilt up pressure port relief Grapple open/close flow stop Grapple pressure port relief Grapple pressure LS relief Rotate flow stop Rotate port relief

19mm Wrench; 19mm Wrench; 17mm Wrench; 19mm Wrench; 17mm Wrench; 19mm Wrench; 17mm Wrench; 40mm Torx 19mm Wrench; 17mm Wrench;

Standard/Imperial tool sizes

Finger 6mm Allen 5mm Allen 6mm Allen 5mm Allen 6mm Allen 5mm Allen

9/16” Wrench; Finger 9/16” Wrench; 5/32” Allen

6mm Allen 5mm Allen

9/16” Wrench; 5/32” Allen

Rotary Manifold Functions Rotate Counter Balance Tilt down flow control

15mm Wrench; 19mm Wrench; 6mm Allen

9/16” Wrench; 5/32” Allen 3/4” Wrench; 1/4” Allen

Saw Manifold Functions Saw bar pressure PRV1 Saw bar speed FCEXT FCRET Saw motor compensator Saw motor direction valve DCV2 Chain oil pump volume control Chain oil flow control Saw chain tension PRV

17mm Wrench; 19mm Wrench; 13mm Wrench; 15mm Wrench; 17mm Wrench; 15mm Wrench; 3/4” Wrench;

11/16” Wrench; 3/16” Allen 3/4” Wrench; 1/4” Allen

Manual Chain Tension Manual bar lock nut(s) Manual bar adjustment nut

36mm Wrench 19mm Wrench/Socket

BAR SAW TOOL SIZES.PDF

3.102

4.5mm Allen 6mm Allen 4mm Allen 4mm Allen 5mm Allen 4mm Allen 1/4” Allen

9/16” Wrench; 5/32” Allen 9/16” Wrench; 5/32” Allen

9/16” Wrench; 5/32” Allen

3/4” Wrench/Socket

Tigercat Bar Saw Felling Head

Service and Maintenance LEFT HAND CLAMP ARM PIN

58817B

CLAMP ARM PIN TOOL (PART NUMBER 58817B)

FD5195-033

PISTON SEAL

PISTON PISTON SEAL

PISTON

DG061

62600B

PISTON SEAL ASSEMBLY TOOL (PART NUMBER DG061)

FC5185-007

BAR RETRACTION TOOL (PART NUMBER 62600B)

FD5195-035

HYDRAULIC TENSION SAW UNIT

BAR RETRACTION TOOL

CLAMP ARM CYLINDER PIN

33022A

CYLINDER PIN REMOVAL TOOL (PART NUMBER 33022A)

FD5195-034

BAR SAW ASSEMBLY - SPECIAL TOOLS AVAILABLE FROM TIGERCAT 3.103

Service and Maintenance

Tigercat Bar Saw Felling Head

TORQUE CHART LOCATION Pin retaining bolts All Saw motor Saw unit Socket head capscrews Guide pin bolts Bar holder bar clamp nuts Chain catcher socket head capscrews Saw control manifold valves and plugs Anti-cavitation check valve (CK/AS108) Flow control pressure (FCA,FCB/AV023) Oil flow rate, chain oil (FC OIL/AV025) Saw motor control valve (DCV2/AT354) Saw bar feed control valve (DCV1/AT355) Bar extend/retract pressure (PRV1/207032)) Hydraulic tensioner pressure (PRv2/AX447) Arm pivot pin nut Rotary Manifold Mounting Bolts Rotary Manifold Valves and plugs Crossline reliefs (RF1,RF2/AU145) Counterbalance Valves (CB1,CB2/AU144) Relief,Tilt Down (RF3/AU141) Flow Control (FC/ AV023) Check valve cartridge (CK1,CK2,CK/AS049)

MODEL As Applic.

THREAD DIAMETER

TORQUE (LUBRICATED)

NOTES

lbf-ft

Nm

M20 X 2.0 M16 X 2.0 M16 X 1.5

400 200 200

530 275 275

Use anti-seize.

M8 x1.25 M16 X 2.0 M24 M12 x 1.75

24 200 45 80

32 275 60 110

Use anti-seize.

Use anti-seize.

Use anti-seize.

Use blue loctite

37-41 25 30-35 30-35 55-60 51-55 20 350

50-55 34 40-47 40-47 75-81 69-75 27 475

Lubricated

200

275

Lubricated

44 30-35 44 25 37

60 40-47 60 34 50

290-310 440-460 159-175 159-175 80-88

393-420 596-624 216-237 216-237 109-119

2 1/4" UNF FD5195 ONLY M16 x2.0

Lubricated

TRACK FELLER BUNCHERS ONLY Wrist - 340° rotation Bearing to head bolts Bearing to boom adapter bolts High torque motor to boom adapter bolts Output shaft assy to boom adapter bolts Std. torque motor to output shaft assy bolts

3/4"-16 UNF GR.8 7/8"-14 UNF GR.8 5/8"-11 UNC GR. 8 5/8"-11 UNC GR. 8 1/2"-13 UNC GR. 8

TORQUECHART FC5185 R1.PDF

3.104

Use anti-seize.

Use anti-seize.

Use anti-seize.

Use anti-seize.

Lubricated

Tigercat Bar Saw Felling Head

Service and Maintenance

GENERAL TORQUE SPECIFICATIONS

IMPERIAL

The torque values listed below are for general use only.

DO NOT use these values if a different torque value or tightening procedure is shown for a specific application.

GRADE 8 BOLTS

GRADE 5 BOLTS

IMPERIAL BOLT TORQUE SPECIFICATIONS GRADE 5 BOLTS GRADE 8 BOLTS LUBRICATED DRY LUBRICATED COARSE lbf-ft Nm lbf-ft Nm lbf-ft Nm THREAD 8 - 10 11 - 13 1/4" - 20 7- 8 10 - 11 8 - 10 11 - 13 20 - 28 27 - 38 5/16" - 18 14 - 18 19 - 24 10 - 15 13 - 20 33 - 36 45 - 49 3/8" - 16 31 - 34 42 - 46 23 - 25 31 - 34 52 - 57 71 - 77 7/16" - 14 49 - 54 66 - 73 37 - 41 50 - 55 80 - 88 109 - 119 1/2" - 13 75 - 83 102 - 112 57 - 63 77 - 85 115 - 127 156 - 172 9/16" - 12 109 - 120 148 - 162 82 - 90 111 - 122 159 - 175 216 - 237 5/8" - 11 150 - 165 204 - 223 113 - 124 152 - 168 282 - 310 393 - 420 3/4" - 10 266 - 293 360 - 397 200 - 220 271 - 298 455 - 501 617 - 679 7/8" - 9 394 - 433 535 - 586 296 - 326 402 - 441 682 - 750 925 - 1016 1" - 8 591 - 649 802 - 879 443 - 489 601 - 663 966 - 1062 1310 - 1441 1 1/8" - 7 794 - 873 1077 - 1183 596 - 656 808 - 889 1360 - 1496 1844 - 2027 1 1/4" - 7 1120 - 1232 1519 - 1670 840 - 924 1139 - 1252 FINE DRY LUBRICATED LUBRICATED lbf-ft Nm lbf-ft Nm lbf-ft Nm THREAD 10 - 13 14 - 17 1/4" - 28 9 - 10 12 - 13 9 - 10 12 - 13 18 - 25 25 - 33 5/16" - 24 17 - 22 23 - 29 16 - 20 21 - 27 37 - 41 50 - 55 3/8" - 24 35 - 39 48 - 53 26 - 29 35 - 39 58 - 64 79 - 86 7/16" - 20 55 - 61 75 - 83 41 - 45 56 - 61 90 - 99 122 - 134 1/2" - 20 85 - 94 116 - 127 64 - 70 87 - 95 128 - 141 174 - 191 9/16" - 18 121 - 133 164 - 180 91 - 100 124 - 135 180 - 198 244 - 268 5/8" - 18 170 - 187 231 - 253 128 - 141 174 - 191 315 - 347 427 - 470 3/4" - 16 297 - 327 403 - 443 223 - 245 303 - 332 501 - 550 679 - 745 7/8" - 14 434 - 477 589 - 646 326 - 359 442 - 486 746 - 821 1012 - 1113 1" - 12 646 - 711 876 - 965 484 - 534 657 - 724 1083 - 1191 1469 - 1613 1 1/8" - 12 891 - 980 1208 - 1328 668 - 735 906 - 996 1509 - 1660 2046 - 2250 1 1/4" - 12 1240 - 1364 1682 - 1849 931 - 1024 1262 - 1387 10.9

8.8

10.9

8.8

10.9

10

10

10

METRIC

8.8

10

12.9

12.9

10

12.9

12.9

12.9

12

12

DRY lbf-ft Nm 11 - 12 15 - 16 26 - 30 35 - 40 44 -48 60 - 65 70 - 77 95 - 104 106 - 117 144 - 158 153 - 168 208 - 228 212 - 233 288 - 316 376 - 414 510 - 561 606 - 667 822 - 904 909 - 1000 1233 - 1355 1288 - 1417 1746 - 1921 1817 - 1999 2464 - 2710 DRY lbf-ft Nm 13 - 14 18 - 19 23 - 28 31 - 38 49 - 54 67 - 73 78 - 86 106 - 116 120 - 132 163 - 179 171 - 188 232 - 255 240 - 264 326 - 358 420 - 462 570 - 626 668 - 735 906 - 996 995 - 1096 1359 - 1486 1445 - 1590 1960 - 2155 2012 - 2213 2728 - 2997

10

COARSE THREAD 1/4" - 20 5/16" - 18 3/8" - 16 7/16" - 14 1/2" - 13 9/16" - 12 5/8" - 11 3/4" - 10 7/8" - 9 1" - 8 1 1/8" - 7 1 1/4" - 7 FINE THREAD 1/4" - 28 5/16" - 24 3/8" - 24 7/16" - 20 1/2" - 20 9/16" - 18 5/8" - 18 3/4" - 16 7/8" - 14 1" - 14 1 1/8" - 12 1 1/4" - 12

12

METRIC BOLT TORQUE SPECIFICATIONS CLASS 8.8

SIZE PITCH LUBRICATED mm Nm lbf-ft M6 1 8-9 6-7 M8 1.25 20 - 22 15 - 16 M10 1.5 39 - 43 29 - 32 M12 1.75 68 - 75 50 - 55 M14 2 109 - 120 80 - 89 M16 2 169 - 186 125 - 137 M18 2.5 234 - 257 172 - 190 M20 2.5 330 - 364 244 - 268 M22 2.5 451 - 496 332 - 366 M24 3 571 - 628 421 - 463 M27 3 837 - 921 618 - 679 M30 3.5 1135 - 1249 837 - 921 M33 3.5 1545 - 1699 1139 - 1253 M36 4 1985 - 2183 1464 - 1610

CLASS 10.9 LUBRICATED DRY Nm lbf-ft Nm lbf-ft Nm lbf-ft 11 - 12 8-9 11 - 12 8-9 15 - 17 11 - 12 26 - 29 19 - 21 27 - 30 20 - 22 36 - 40 27 - 30 52 - 57 38 - 42 54 - 60 40 - 44 72 - 79 53 - 59 91 - 100 67 - 74 94 - 104 70 - 77 126 - 138 93 - 102 145 - 160 107 - 118 151 - 166 111 - 122 201 - 221 148 - 163 226 - 248 166 - 183 234 - 257 173 - 190 312 - 343 230 - 253 312 - 343 230 - 253 324 - 356 239 - 262 431 - 474 318 - 350 441 - 485 325 - 357 457 - 503 337 - 371 610 - 670 450 - 495 601 - 661 443 - 487 623 - 686 460 - 506 831 - 914 613 - 674 761 - 838 562 - 618 790 - 869 583 - 641 1053 - 1159 777 - 855 1116 - 1228 823 - 906 1158 - 1274 854 - 940 1544 - 1699 1139 - 1253 1514 - 1665 1116 - 1228 1570 - 1727 1158 - 1274 2094 - 2303 1544 - 1699 2060 - 2266 1519 - 1671 2137 - 2351 1576 - 1734 2849 - 3134 2102 - 2312 2646 - 2911 1952 - 2147 2745 - 3020 2025 - 2227 3661 - 4027 2700 - 2970 DRY

3.105

CLASS 12.9 LUBRICATED DRY Nm lbf-ft Nm lbf-ft 13 - 14 10 - 11 18 - 19 13 - 14 32 - 35 24 - 26 43 - 47 31 - 35 63 - 70 47 - 51 84 - 93 62 - 68 110 - 121 81 - 90 147 - 162 109 - 119 176 - 194 130 - 143 235 - 259 173 - 191 274 - 301 202 - 222 365 - 401 269 - 296 378 - 416 279 - 307 504 - 554 372 - 409 534 - 588 394 - 433 712 - 784 525 - 578 728 - 801 537 - 591 971 - 1068 716 - 788 923 - 1016 681 - 749 1231 - 1354 908 - 999 1354 - 1489 998 - 1098 1805 - 1985 1331 - 1464 1835 - 2019 1354 - 1489 2447 - 2692 1805 - 1985 2498 - 2747 1842 - 2026 3330 - 3663 2456 - 2702 3208 - 3529 2366 - 2603 4278 - 4706 3155 - 3471

Service and Maintenance

Tigercat Bar Saw Felling Head

Parker

Assembly Torque The four-bolt port is simply a circular opening (flow passage) surrounded by four tapped holes in a certain pattern for acceptance of the flange clamping bolts. The flat surface of the port compresses the O-ring contained in the groove in the flange head when the clamp bolts are torqued. In some instances, the groove is in the port and not in the flange head. The bolts, through the clamp halves, clamp down the flange head on to the flat surface of the port compressing and trapping the O-ring in the groove and leaving no gap for it to extrude under pressure. The hydraulic pressure is thus sealed by the compressed O-ring as long as the bolts are tightened enough to maintain solid metal to metal contact between the flange head at the outside diameter of the O-ring and the top of the port.

The 4-Bolt Split Flange consists of four main components: • A body (flange head) • An O-ring • One “captive” or two “split” flange clamps

• Four bolts and washer

WASHERS BOLTS FLANGE CLAMP

Flange Port Assembly

FLANGE HEAD

The steps to properly assemble the flange port clamping bolts are: 1. Make sure sealing surfaces are free of burrs, nicks, scratches or any foreign particles.

2. Lubricate the O-ring.

3. Position flange and clamp halves.

4. Place lock washers on bolts and insert through clamp halves.

5. Hand tighten bolts.

6. Torque bolts in diagonal sequence (see Fig. T9) in small increments to the appropriate torque level listed in Table T6 or Table T7 on this page.

O-RING TAPPED HOLES

FLANGE.JPG

Fig. T8 - 4 Bolt Split Flange Components

FLANGE2.JPG

Fig. T9 - Flange Bolt Tightening Sequence

Dash Size

Flange Size

Inch Bolt (J518)

Torque lbf-ft

Metric Bolt (ISO 6162)

Torque Nm

Dash Size

Flange Size

Inch Bolt (J518)

Torque lbf-ft

Metric Bolt (ISO 6162)

Torque N-m

8 12 16 20 24 32 40 48 56 64 80

1/2 3/4 1 1-1/4 1-1/2 2 2-1/2 3 3-1/2 4 5

5/16-18 3/8-16 3/8-16 7/16-14 1/2-13 1/2-13 1/2-13 5/8-11 5/8-11 5/8-11 5/8-11

17 +/- 2 25 +/- 3.5 31 +/- 4.5 41 +/- 5 52 +/- 6 60 +/- 6 85 +/- 9 144 +/- 15 125 +/- 8 125 +/- 8 125 +/- 8

M8 M10 M10 M12 M12 M12 M12 M16 M16 M16 M16

25 49 49 85 85 135 95 220 220 220 220

8 12 16 20 24 32

1/2 3/4 1 1 1/4 1 1/2 2

5/16-18 3/8-16 7/16-14 1/2-13 5/8-11 3/4-10

17 +/- 2 30 +/- 4.5 46 +/- 4.5 69 +/- 6 125 +/- 8 208 +/- 20

M8 M10 M12 M14 M16 M20

25 49 85 135 210 425

* Does not meet ISO 6162 specification.

Table T7 - Code 62 Flange Recommended Bolt Torque

* Does not meet ISO 6162 specification.

Table T6 - Code 61 Flange Recommended Bolt Torque

3.106

Tigercat Bar Saw Felling Head

Parker

Service and Maintenance

Assembly Torque

JIC 37 Degree Flare SAE Dash Size

Thread Size

-2 -3 -4 -5 -6 -8 -10 -12 -14 -16 -20 -24 -32 -40

NPTF

Tube Connection Swivel or Hose Connection FFWR FFWR

5/16-24 3/8-24 7/16-20 1/2-20 9/16-18 3/4-16 7/8-14 1 1/16-12 1 3/16-12 1 5/16-12 1 5/8-12 1 7/8-12 2 1/2-12 3-12

NA NA 2 2 1 1/2 1 1/2 1 1/2 1 1/4 1 1 1 1 1 1

SAE Dash Size

NA NA 2 2 1 1/4 1 1 1 1 1 1 1 1 1

-2 -3 -4 -5 -6 -8 -10 -12 -14 -16 -20 -24 -32 -40

F.F.W.R : Flats From Wrench Resistance All values are for Steel, Stainless Steel and Brass

1/8-27 NA 1/4-18 NA 3/8-18 1/2-14 7/8-14 3/4-14 NA 1-11 1/2 1 1/4-11 1/2 1 1/2-11 1/2 2-11 1/2 NA

Thread Size

-2 -3 -4 -5 -6 -8 -10 -12 -14 -16 -20 -24 -32 -40

NA NA 1/4 TO 1/2 NA 1/4 TO 1/2 1/4 TO 1/2 1/4 TO 1/2 1/4 TO 1/2 NA 1/4 TO 1/2 1/4 TO 1/2 1/4 TO 1/2 NA NA

2-3 NA 2-3 NA 2-3 2-3 NA 2-3 NA 1.5-2.5 1.5-2.5 1.5-2.5 1.5-2.5 NA

BSPT

Tube Connection Swivel or Hose Connection FFWR FFWR

NA NA 9/16-18 NA 11/16-16 13/16-16 1-14 1 3/16-12 NA 1 7/16-12 1 11/16-12 2-12 NA NA

2-3 NA 2-3 NA 2-3 2-3 NA 2-3 NA 1.5-2.5 1.5-2.5 1.5-2.5 1.5-2.5 NA

T.F.F.T. : Turns from finger tight All pipe values are for Steel, Stainless Steel and Brass

O'ring Face Seal / Seal-Lok SAE Dash Size

Tube Connection Swivel or Hose Connection TFFT TFFT

Thread Size

SAE Dash Size

NA NA 1/2 TO 3/4 NA 1/2 TO 3/4 1/2 TO 3/4 1/2 TO 3/4 1/3 TO 1/2 NA 1/3 TO 1/2 1/3 TO 1/2 1/3 TO 1/2 NA NA

-2 -3 -4 -5 -6 -8 -10 -12 -14 -16 -20 -24 -32 -40

F.F.W.R : Flats From Wrench Resistance All values are for Steel, Stainless Steel and Brass

Thread Size

Tube Connection Swivel or Hose Connection TFFT TFFT

1/8-28 NA 1/4-19 NA 3/8-19 1/2-14 NA 3/4-14 NA 1-11 1 1/4-11 1 1/2-11 2-11 NA

2-3 NA 2-3 NA 2-3 2-3 NA 2-3 NA 1.5-2.5 1.5-2.5 1.5-2.5 1.5-2.5 NA

2-3 NA 2-3 NA 2-3 2-3 NA 2-3 NA 1.5-2.5 1.5-2.5 1.5-2.5 1.5-2.5 NA

T.F.F.T. : Turns from finger tight All pipe values are for Steel, Stainless Steel and Brass

SAE J1926 Straight Thread Port Assembly Torques ASSEMBLY TORQUE = 10 % -0 SAE DASH SIZE

2 3 4 5 6 8 10 12 14 16 20 24 32

5/16-24 3/8-24 7/16-20 1/2-20 9/16-18 3/4-16 7/8-14 1 1/16-12 1 3/16-12 1 5/16-12 1 5/8-12 1 7/8-12 2 1/2-12

SEAL-LOK lbf-ft (lbf-in) (310) (310) (310) (360) (420) 60 100 135 175 200 250 305 375

Nm 20 20 20 40 46 80 135 185 235 270 340 415 510

TRIPLE-LOK FERULOK PIPE FITTINGS lbf-ft Nm (lbf-in) (85) 10 (155) 18 (260) 29 (280) 32 (350) 40 (620) 70 85 115 135 183 175 237 200 271 250 339 305 414 375 509

PLUGS

ADJUSTABLE

NON-ADJUSTABLE THREAD SIZE

SEAL-LOK lbf-ft (lbf-in) (310) (310) (310) (360) (420) 60 100 135 175 200 250 305 375

Nm

3.107

20 20 20 40 46 80 135 185 235 270 340 415 510

TRIPLE-LOK FERULOK PIPE FITTINGS lbf-ft Nm (lbf-in) (60) 7 (100) 11 (180) 20 (250) 28 (350) 40 (620) 70 85 115 135 183 175 237 200 271 250 339 305 414 375 509

HOLLOW HEX HP5ON-S lbf-ft (lbf-in) (30) (55) (120) (170) (410) 60 100 135 175 200 250 305 375

Nm 3.5 6 13.5 19 46 80 135 185 235 270 340 415 510

HEX HEAD P5ON-S lbf-ft (lbf-in) (85) (155) (260) (280) (350) (620) 85 135 175 200 250 305 375

Nm 10 18 29 32 40 70 115 183 237 271 339 414 509

Service and Maintenance

Tigercat Bar Saw Felling Head

EATON Aeroquip

Assembly Torque

Recommended Parallel Connection Assembly torque

Eaton recommends that a Torque wrench be used to assure proper fitting assembly of these connections.

Straight Thread O-Ring Boss Low Pressure with 37º (SAEJ514)

Straight Thread O-Ring Boss High Pressure with ORS (J1453)

Thread Size (inches) 3/8-24 7/16-20 1/2-20 9/16-18 3/4-16 7/8-14 1 1/16-12 1 3/16-12 1 5/16-12 1 5/8-12 1 7/8-12 2 1/2-12

Dash Size -03 -04 -05 -06 -08 -10 -12 -14 -16 -20 -24 -32

The values listed are for steel connections. Contact Teaton for torque values for other materials.

Jam Nut or Jam Nut or Straight Straight Fitting Torque Fitting Torque lb.-ft.

Newton Meters 8-9 12-13 13-15 18-20 14-15 19-21 23-24 32-33 40-43 55-57 43-48 59-64 68-75 93-101 83-90 113-122 112-123 152-166 146-161 198-218 154-170 209-230 218-240 296-325

ORS

Dash Size -04 -06 -08 -10 -12 -16 -20 -24

Dash Size -03 -04 -05 -06 -08 -10 -12 -14 -16 -20 -24

Thread Size (inches) 3/8-24 7/16-20 1/2-20 9/16-18 3/4-16 7/8-14 1 1/16-12 1 3/16-12 1 5/16-12 1 5/8-12 1 7/8-12

Jam Nut or Jam Nut or Straight Straight Fitting Torque Fitting Torque lb.-ft.

Newton Meters 8-10 11-16 14-16 20-22 18-20 24-27 24-26 33-35 50-60 68-78 72-80 98-110 125-135 170-183 160-180 215-245 200-220 270-300 210-280 285-380 270-360 370-490

SAE 37º (JIC) Thread Size (inches) 9/16-18 11/16-20 13/16-16 1-14 1 3/16-12 1 7/16-12 1 11/16-12 2-12

Swivel Nut Torque lb.-ft.

10-12 18-20 32-35 46-50 65-70 92-100 125-140 150-165

Swivel Nut Torque Newton Meters 14-16 24-27 43-47 62-68 88-95 125-136 170-190 204-224

Metric Thread Size mm M10x1 M12x1.5 M14x1.5 M16x1.5 M18x1.5 M20x1.5 M22x1.5 M26x1.5 M27x2 M33x2 M42x2 M48x2

Dash Size -04 -05 -06 -08 -10 -12 -16 -20 -24 -32

Thread Size (inches) 7/16-20 1/2-20 9/16-18 3/4-16 7/8-14 1 1/16-12 1 5/16-12 1 5/8-12 1 7/8-12 2 1/2-12

Swivel Nut Torque lb.-ft.

11-12 15-16 18-20 38-42 57-62 79-87 108-113 127-133 158-167 245-258

Swivel Nut Torque Newton Meters 15-16 20-22 24-28 52-58 77-85 108-119 148-154 173-182 216-227 334-352

BSPP Straight Adapter or Locknut Torque lb.-ft.

Newton Meters 13-15 18-20 15-19 20-25 19-23 25-30 33-40 45-55 37-44 50-60 52-66 70-90 55-70 75-95 81-96 110-130 96-111 130-150 162-184 220-250 170-192 230-260 258-347 350-470

Nominal Thread Size Straight Adapter or Locknut Torque inches** lb.-ft.

Newton Meters G1/8-28 13-15 18-20 G1/4-19 19-23 25-30 G3/8-19 33-40 45-55 G1/2-14 55-70 75-95 G3/4-14 103-118 140-160 G1-11 162-184 220-250 G1 1/4-11 170-192 230-260 G1 1/2-11 258-347 350-470 ** "G" denotes parallel threads, other than ISO 6149 (Port connection only)

Eaton Aeroquip Fluid Conveyance Products A-HOOV-MC001-E January 2005

3.108

Tigercat Bar Saw Felling Head

Service and Maintenance

WEIGHTS OF COMMERCIAL WOOD

Species

kg/m3

lb/ft3

Species

kg/m3

lb/ft3

Alder, Red Ash, White Aspen, Quaking Bald Cypress Basswood, American Beech, American Birch, Paper Birch, Yellow Cedar, Alaska Cedar, Incense Cedar, Northern White Cedar, Port-Orford Cedar, Western Red Cherry, Black Cottonwood, Eastern Douglas Fir, Coast Douglas Fir, Inland North Elm, American Fir, Alpine Fir, Balsam Fir, Nobel Fir, Red Fir, Silver Fir, White Gum, Black Gum, Blue Gum, Red Gum, Tupelo Hemlock, Eastern Hemlock, Western Hickory, Pecan Hickory, True Larch, Western Locust, Black Magnolia, Cucumber

737 769 689 817 673 865 801 929 577 721 449 897 433 721 785 881 577 865 449 721 481 769 577 753 721 1121 801 897 801 657 993 1009 769 929 785

46 48 43 51 42 54 50 58 36 45 28 36 57 45 49 55 36 54 28 45 30 48 36 47 45 70 50 56 50 41 62 63 48 58 49

Maple, Big Leaf Maple, Black Maple, Red Maple, Silver Maple, Sugar Oak, Black Oak, Chestnut Oak, Red Oak, Red, Swamp Oak, Swamp Chestnut Oak, White Oak, White, Swamp Pine, Jack Pine, Loblolly Pine, Lodgepole Pine, Long Leaf Pine, Norway, Red Pine, Short Leaf Pine, Slash Pine, Sugar Pine, Western Yellow Pine, White-Western Pine, White-Eastern Poplar, Yellow Redwood Spruce, Black Spruce, Engleman Spruce, Red Spruce, Sitka Spruce, White Sweetgum Sycamore, American Tamarack Walnut, Black Willow, Black

753 865 801 721 897 1009 977 1009 1073 1041 993 1105 801 993 625 993 673 993 993 817 721 561 577 609 801 513 625 545 529 545 801 833 753 929 801

47 54 50 45 56 63 61 63 67 65 62 69 50 62 39 62 42 62 62 51 45 35 36 38 50 32 39 34 33 34 50 52 47 58 50

NOTE: The values shown here are green weights.

3.109

Service and Maintenance

Tigercat Bar Saw Felling Head COMMON CONVERSIONS

To Convert Bar cc °C Kg KW Liters mm Nm N

Into PSI Cu. in. °F lbs.

HP Gallons Inches lb.-ft. lbs.

To Convert

Multiply By

Cu. in. °F Gallons HP Inches lbs. lb.-ft.

PSI In. of HG In. of H2O lbs.

14.5 0.06102 (°C x 9/5) + 32 2.205 1.341 0.2642 0.03937 0.7375 0.22481

3.110

Into

cc °C Liters KW mm Kg Nm Bar PSI PSI N

Multiply By

16.39 (°F - 32) /1.8 3.785 0.7457 25.4 0.4535 1.356 0.06896 . 4912 . 03613 4.4482