Liebherr Hydraulic excavator R 313 Litronic Operating instructions Manual 27752

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Operating instructions Hydraulic excavator R 313 Litronic from serial number 27752

Document identification Id. number:

8720401

Edition:

09 / 2006

Valid for:

R 313 Litronic from serial number 27752

Author:

LHB - Technical documentation department

Product identification Manufacturer:

LIEBHERR Hydraulikbagger GmbH

Type:

R 313 Litronic

Type no.:

636

Conformity:

CE

Address Liebherr Hydraulikbagger GmbH Liebherr-Straße 12 88457 Kirchdorf / Iller, Germany

Operating instructions

Machine data Please fill in the following data when you receive your machine.

This will also be helpful when ordering spare parts.

Vehicle Id. No.: WLHZ . . . . . ZK . . . . . .

Year of manufacture: . . . .

Delivery date: . . / . . / . .

MJFCIFSS

R 313 Litronic / 8720401

Foreword

This operating manual has been written for the machine operator and for the maintenance personnel of the machine.

It contains: regulations.

Before initial operation and at regular subsequent intervals, the operating manual must be carefully read and observed by all persons who carry out work with or on the machine.

Working with or on the machine includes, for example: Operation including setting up or equipping, rectifying malfunctions during the course of work, resolving output reductions, care, disposal of operating and service materials.

Service, including maintenance, inspection and repair work.

Transportationor loading of the machine.

The operating manual allows the machine operator to familiarize himself with the machine more easily and prevents problems due to improper operation.

The observance of the operating and maintenance instructions by maintenance personnel:

The operating manual is part of the machine. Ensure that one copy is always The operating and maintenance manual should also incorporate information regarding current national regulations for accident prevention and protection. In addition to the operating instructions and the legally binding regulations on accident prevention valid in the user country and the job site, the recognized specialized technical regulations for safe and correct working procedures must also be observed.

This operating and maintenance manual contains all the necessary information to operate and maintain your machine. l may depict details and working devices, which differ from your machine. protective devices and covers have been removed in the interests of better presentation. on our machines, may result in changes to your machine, which are not yet indicated in this operating manual.

However, should you require further explanation or information, LIEBHERR's Technical Documentation, Sales Training and Service departments are available for your convenience.

Operating instructions

You will appreciate that LIEBHERR cannot honor any warranty claims made on the basis of improper operation, insufficient maintenance, use of unauthorized service fluids or non-adherence to safety regulations.

LIEBHERR will void any and all obligations incurred by LIEBHERR and / or its dealers, such as guarantee commitments, service contracts etc. without prior notice in the event that replacement parts other than original LIEBHERR parts or spare parts purchased from LIEBHERR are used for maintenance or repairs.

Modifications, conditions, copyright We reserve the right to make modifications without prior notice in the course of technical progress.

The information and illustrations contained in this manual may neither be copied and distributed nor used for competitive purposes. All rights are expressly reserved in accordance with copyright laws.

The warranty and liability c not be expanded by the above information.

1-2

MJFCIFSS

al business conditions will

R 313 Litronic / 8720401

Operating instructions

Table of contents 1

Product description ....................................................................................................................................... 1-1 1.1

1.2 2

Safety information, signs .............................................................................................................................. 2-1 2.1 2.2 2.3

2.4

3

Design, overview ................................................................................................................................... 1-1 1.1.1 Machine with standard attachment........................................................................................... 1-1 1.1.2 Uppercarriage........................................................................................................................... 1-2 1.1.3 Undercarriage........................................................................................................................... 1-3 Technical data ....................................................................................................................................... 1-4

Symbols in the operating instructions .................................................................................................... 2-1 Use in accordance with the regulations ................................................................................................. 2-2 Safety instructions ................................................................................................................................. 2-2 2.3.1 General Safety instructions ...................................................................................................... 2-2 2.3.2 Crushing and burn prevention .................................................................................................. 2-3 2.3.3 Fire and explosion prevention .................................................................................................. 2-4 Signs on the machine ............................................................................................................................ 2-4 2.4.1 Introduction............................................................................................................................... 2-4 2.4.2 Safety and information signs .................................................................................................... 2-5 2.4.3 ID tag...................................................................................................................................... 2-10

Control, operation.......................................................................................................................................... 3-1 3.1

3.2

3.3

3.4

Operating and control elements............................................................................................................. 3-1 3.1.1 Overview of operator's platform................................................................................................ 3-1 3.1.2 Overview of left control console ............................................................................................... 3-3 3.1.3 Function of the control console ................................................................................................ 3-5 Operation ............................................................................................................................................. 3-12 3.2.1 Entering and exiting the operator's cab .................................................................................. 3-12 3.2.2 Safety lever ............................................................................................................................ 3-13 ............ 3-14 3.2.4 Front windshield ..................................................................................................................... 3-18 3.2.5 Sun visor ................................................................................................................................ 3-19 dow ............................................................................................... 3-19 3.2.7 Interior illumination ................................................................................................................. 3-20 3.2.8 Fire extinguisher (option)* ...................................................................................................... 3-20 3.2.9 Windshield wiper .................................................................................................................... 3-20 3.2.10 Illumination ............................................................................................................................. 3-22 3.2.11 Heating system....................................................................................................................... 3-23 3.2.12 A/c system (optional equipment) ............................................................................................ 3-25 Operation ............................................................................................................................................. 3-26 3.3.1 Safety instructions .................................................................................................................. 3-26 3.3.2 Starting / shutting down machine ........................................................................................... 3-27 3.3.3 Starting aid (Optional extra) ................................................................................................... 3-32 3.3.4 Jump start procedure ............................................................................................................. 3-32 3.3.5 Travel operation ..................................................................................................................... 3-33 3.3.6 Blade support (optional equipment) ....................................................................................... 3-36 Working with the machine.................................................................................................................... 3-36 3.4.1 Working with the machine safely ............................................................................................ 3-36 3.4.2 Sensor controlled low idle automatic ...................................................................................... 3-40 3.4.3 Fine adjustment...................................................................................................................... 3-41 3.4.4 Rotating the uppercarriage ..................................................................................................... 3-42 3.4.5 Braking the uppercarriage ...................................................................................................... 3-43 3.4.6 Working position ..................................................................................................................... 3-44 3.4.7 Operation of the working tool ................................................................................................. 3-44 3.4.8 Lowering of the working tool when engine is shut off ............................................................. 3-47 3.4.9 Adjustment of boom, operation of working tool (AHS)............................................................ 3-48

R 313 Litronic / 8720401

MJFCIFSS

Operating instructions

3.5

3.6

3.7

4

Malfunctions ................................................................................................................................................... 4-1 4.1

4.2

5

3.4.10 Horizontal boom movement (AHS) ......................................................................................... 3-51 3.4.11 Turning, rotating, locking and unlocking the attachments ...................................................... 3-54 3.4.12 Change over of controls (option) ............................................................................................ 3-56 3.4.13 Overload warning device ........................................................................................................ 3-56 Installation and removal of attachment parts ....................................................................................... 3-58 3.5.1 Safe installation and removal of attachment parts.................................................................. 3-58 3.5.2 Safe removal and installation of attachment pins ................................................................... 3-58 3.5.3 Installation and removal of digging tool .................................................................................. 3-59 3.5.4 Installation and removal of grapple on stick ........................................................................... 3-61 3.5.5 Mechanical quick change adapter (option) ............................................................................. 3-63 3.5.6 Hydraulic quick-change adapter (optional equipment) ........................................................... 3-68 3.5.7 LIKUFIX Hydraulic coupling system (option) ......................................................................... 3-74 General working methods .................................................................................................................... 3-76 3.6.1 Guidelines for minimum impact working methods .................................................................. 3-76 3.6.2 Preparatory activities .............................................................................................................. 3-76 3.6.3 Working with the backhoe bucket ........................................................................................... 3-78 3.6.4 Loading the transport vehicle ................................................................................................. 3-79 3.6.5 Working with the hydraulic hammer........................................................................................ 3-79 3.6.6 Grading ................................................................................................................................... 3-81 3.6.7 Working with the grab ............................................................................................................. 3-82 3.6.8 Load lifting work...................................................................................................................... 3-84 Transport.............................................................................................................................................. 3-85 3.7.1 Transporting the machine safely ............................................................................................ 3-85 3.7.2 Transporting the machine on a flatbed trailer ......................................................................... 3-85 3.7.3 Loading the machine with a crane .......................................................................................... 3-88

Problems and remedies ......................................................................................................................... 4-2 4.1.1 Diesel engine and fuel system.................................................................................................. 4-2 4.1.2 Hydraulic system ...................................................................................................................... 4-3 4.1.3 Travel gear ............................................................................................................................... 4-3 4.1.4 Electrical system....................................................................................................................... 4-4 4.1.5 Heating and Air conditioning system ........................................................................................ 4-4 4.1.6 Work attachment ...................................................................................................................... 4-4 Fuses and relays.................................................................................................................................... 4-5 4.2.1 Fuse box E50 ........................................................................................................................... 4-5 4.2.2 Panel ignition switch ................................................................................................................. 4-6 4.2.3 Panel, cab................................................................................................................................. 4-7 4.2.4 Distributor plate ........................................................................................................................ 4-7

Maintenance ................................................................................................................................................... 5-1 5.1

5.2

5.3

Maintaining the machine safely.............................................................................................................. 5-1 5.1.1 General Safety instructions ...................................................................................................... 5-1 5.1.2 Cleaning ................................................................................................................................... 5-1 5.1.3 Crack inspection ....................................................................................................................... 5-2 5.1.4 Welding..................................................................................................................................... 5-3 5.1.5 Operating and service fluids ..................................................................................................... 5-3 5.1.6 Repair ....................................................................................................................................... 5-3 5.1.7 Electrical system....................................................................................................................... 5-4 5.1.8 Pressure accumulator............................................................................................................... 5-4 5.1.9 Hydraulic hoses and lines......................................................................................................... 5-5 5.1.10 Rollover-protection features (ROPS) and falling-object protective systems (FOPS)................ 5-6 Access doors for maintenance............................................................................................................... 5-7 5.2.1 Overview of access doors ........................................................................................................ 5-7 5.2.2 Door lock .................................................................................................................................. 5-8 5.2.3 Bonnet release mechanism ...................................................................................................... 5-8 Lubricants and operating fluids .............................................................................................................. 5-8

MJFCIFSS

R 313 Litronic / 8720401

Operating instructions

5.4

5.5

5.6

5.7

5.8

5.9

5.10

5.11

5.12

5.13

5.14

5.3.1 General information to change lubricants and operating fluids ................................................ 5-8 5.3.2 Lubrication chart ..................................................................................................................... 5-10 5.3.3 Lubricant table........................................................................................................................ 5-11 5.3.4 Fuels, lubricants and process chemicals................................................................................ 5-12 Specifications for fuels, lubricants and process chemicals.................................................................. 5-12 5.4.1 Fuels and lubricant for the diesel engine................................................................................ 5-12 5.4.2 Hydraulic oil ............................................................................................................................ 5-12 5.4.3 Gear oil / axle oil..................................................................................................................... 5-16 5.4.4 Grease and other process chemicals ..................................................................................... 5-17 Diesel engine ....................................................................................................................................... 5-17 5.5.1 Check oil level ........................................................................................................................ 5-17 5.5.2 Changing the oil ..................................................................................................................... 5-18 Cooling system .................................................................................................................................... 5-18 5.6.1 Checking and cleaning the cooling system ............................................................................ 5-18 5.6.2 Checking the coolant level ..................................................................................................... 5-19 5.6.3 Corrosion inhibitor and antifreeze agent ................................................................................ 5-19 5.6.4 Changing water filter .............................................................................................................. 5-20 5.6.5 Changing coolant ................................................................................................................... 5-20 Fuel system ......................................................................................................................................... 5-22 5.7.1 Refuelling ............................................................................................................................... 5-22 5.7.2 Draining the water from the fuel tank ..................................................................................... 5-23 5.7.3 Emptying and cleaning the fuel tank ...................................................................................... 5-24 5.7.4 Fuel preliminary filter (type 2) ................................................................................................. 5-24 5.7.5 Replacement of fuel filter cartridge (fine filter)........................................................................ 5-25 Dry air filter .......................................................................................................................................... 5-25 5.8.1 Replacing filter elements ........................................................................................................ 5-26 5.8.2 Checking the clean air line ..................................................................................................... 5-27 Hydraulic system ................................................................................................................................. 5-28 5.9.1 Checking the oil level in the hydraulic tank ............................................................................ 5-28 5.9.2 Relieving the pressure in the hydraulic system ...................................................................... 5-29 5.9.3 Emptying and refilling the hydraulic tank ................................................................................ 5-30 5.9.4 Return filter ............................................................................................................................. 5-31 5.9.5 Servo oil filter.......................................................................................................................... 5-32 5.9.6 Servo circuit............................................................................................................................ 5-33 5.9.7 Bleeding the hydraulic pump .................................................................................................. 5-34 5.9.8 Servicing the hydraulic cylinder .............................................................................................. 5-35 5.9.9 Replacing hydraulic hoses ..................................................................................................... 5-36 Changing the oil on components ......................................................................................................... 5-36 5.10.1 General notes......................................................................................................................... 5-36 5.10.2 Swin gear - oil change............................................................................................................ 5-37 5.10.3 Travel gear - changing the oil................................................................................................. 5-38 Track components ............................................................................................................................... 5-38 5.11.1 Checking the mounting of the track components ................................................................... 5-39 5.11.2 Check chain tension ............................................................................................................... 5-39 5.11.3 Retensioning the chain........................................................................................................... 5-40 5.11.4 Releasing chain tension ......................................................................................................... 5-40 5.11.5 Cleaning the track components .............................................................................................. 5-41 Electrical system.................................................................................................................................. 5-41 5.12.1 Notes for electrical system ..................................................................................................... 5-41 5.12.2 Battery master switch ............................................................................................................. 5-42 5.12.3 Battery care ............................................................................................................................ 5-43 5.12.4 Slip ring assembly (option) ..................................................................................................... 5-43 Heating / heating-a/c system (optional equipment) ............................................................................. 5-44 5.13.1 Ambient air filter ..................................................................................................................... 5-44 5.13.2 Heating system....................................................................................................................... 5-45 5.13.3 A/c system (optional equipment) ............................................................................................ 5-46 5.13.4 Instructions for prolonged standstills ...................................................................................... 5-48 Lubricating the machine....................................................................................................................... 5-49

R 313 Litronic / 8720401

MJFCIFSS

Operating instructions

5.15

5.16 5.17

5.18

5.14.1 Central slewing gear lube point .............................................................................................. 5-49 5.14.2 Fully automatic central lubrication system (optional equipment) ............................................ 5-50 5.14.3 Lubricating the attachment ..................................................................................................... 5-51 5.14.4 Lubricating the digging tool / bucket tilt device ....................................................................... 5-51 5.14.5 Lubricating the grapple (option) .............................................................................................. 5-52 Quick change systems......................................................................................................................... 5-53 5.15.1 Lubricate the mechanical quick change adapter (option) ....................................................... 5-53 5.15.2 Hydraulic quick change adapter (option) ................................................................................ 5-53 5.15.3 LIKUFIX (option) ..................................................................................................................... 5-54 Travel and swing brakes ...................................................................................................................... 5-55 General Maintenance points ................................................................................................................ 5-56 5.17.1 Replacing wear parts .............................................................................................................. 5-56 5.17.2 Replacing the teeth on the digging tool .................................................................................. 5-56 5.17.3 Welding work on the machine ................................................................................................ 5-57 Inspection and maintenance schedule................................................................................................. 5-57

MJFCIFSS

R 313 Litronic / 8720401

1 Product description 1.1 Design, overview This section contains an overview of the machine and its component parts.

1.1.1

Machine with standard attachment

Fig. 1-1

Machine with standard attachment

1 2

Boom cylinder Gooseneck boom

4 5

Stick Tilt cylinder

3

Stick cylinder

6

Digging bucket

100 200

Uppercarriage Undercarriage

Product description

Operating instructions

Design, overview

1.1.2

Uppercarriage

Fig. 1-2 500 560

1-2

Uppercarriage

Diesel engine Cooler

530 700

Dry air filter Slewing gear mechanism

6000 Operator's platform 7300 Hydraulic pump

7100 Hydraulic tank 7600 Control valve block

8700

9300 Fuel tank

MJFCIFSS

R 313 Litronic / 8720401

Operating instructions

Product description Technical data

1.1.3

Undercarriage

Fig. 1-3

R 313 Litronic / 8720401

Undercarriage

1

Travel drive

2

Idler

3 5

Chain Chain tensioner

4

Rotary connection

MJFCIFSS

1-3

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2 Safety information, signs Working with the machine holds dangers to which you as the owner, machine operator or maintenance expert could be exposed. If you regularly read and observe the safety information, you can guard against dangers and accidents. This applies especially to persons, who are working on the machine only occasionally, such as for maintenance work. The following information comprises safety regulations which, if followed conscientiously, will guarantee your safety and that of other persons, as well as avoid damage to the machine.

Following these regulations does not release you from the responsibility to follow all safety regulations and guidelines valid for the jobsite, as required by law or issued by trade associations.

For EU countries, guideline 89/655/EEC contains the minimum safety information applicable to the operator.

2.1 Symbols in the operating instructions Work processes and actions that could cause danger are accompanied by safety information in these operating instructions. This safety information describes various dangers which are emphasized by the terms Danger, Caution and Note.

These terms are identified by symbols in the operating instructions and have the following significance: Danger!

Warning relating to a danger that carries a high risk of death or serious injury if the appropriate preventative measures are not taken.

Caution!

Warning relating to dangers that could result in physical injury and/or damage to the machine if the appropriate preventative measures are not taken.

Note!

This symbol is used to identify user tips as well as operating and maintenance procedures, which should be followed to keep your machine operational and to insure long service life and / or to facilitate certain operating or working procedures.

This symbol signifies the following: The machine operator or the maintenance personnel must first fulfill the given prerequisite, i. e. the machine must be brought into a particular work position in order to be able to carry out the actions subsequently described.

Safety information, signs

Operating instructions

Use in accordance with the regulations

This symbol identifies an action.

The machine operator or the maintenance personnel should be active at this location and carry out the action described.

This symbol means "Carry out an activity".

If the machine operator or maintenance personnel have carried out the activities described in an action, the result of this action will be described here.

Following these notes does not relieve you of the responsibility for following additional rules and guidelines!

Additional points that should be observed are:

2.2 Use in accordance with the regulations ple, bucket ) designed to loosen, take on, transport and dump soil, rocks and other materials, where the load is predominantly transported without moving the machine. Moving the machine when it is carrying a load must be carried out by observing the appropriate safety measures (see section "Notes for machine operating safety").

quires special equipment and may also require special safety devices. These attachments (e.g. log grapple, demolition hammer, concrete cutter etc.) may only be attached and used with approval and in accordance with the basic machine manufacturer. intended use. The manufacturer is not liable for damage resulting from this action. The risk must be assumed solely by the user. and the inspection / maintenance instructions is also deemed to be appropriate and destined use in accordance with regulations.

2.3 Safety instructions 2.3.1

General Safety instructions ating instructions before starting the machine. instructions and have read and understood these (this may concern special options for the machine). perate, maintain or repair the machine.

The legal minimum age must be observed.

2-2

MJFCIFSS

R 313 Litronic / 8720401

Operating instructions

Safety information, signs Safety instructions

Clearly define who is responsible for the operation or set up, maintenance and repair. Allow personnel to refuse unsafe instructions given by a third person. This also applies to traffic regulations. Reject unsafe instructions by third parties and/or allow your personnel to reject these.

This also applies in regards to traffic regulations. should only operate or work on the machine under the constant supervision and guidance of an experienced person. ically if they observe safety instructions and guidelines given in the Operating manual. wearing rings, watches, ties, scarves, open jackets or loose clothing. There is a danger of injury, as these items could get caught or be pulled in.The following are mandatory for certain tasks: Safety glasses, safety shoes, safety helmet, work gloves, reflecting vest, hearing protection, ... s, safety boots, work gloves, reflective vests, ear protection etc. are required. r special safety instructions and regulations.

el or the joysticks as handholds. Inadvertent movements, which could cause accidents, should be touched off. vided to climb off or on the machine. h the emergency exit through the front window. ructions, if no other instructions are available for maintenance and repairs: to the ground.

he hydraulic system and the interior pressure of the tank prior to any operation on the hydraulic system as described in these operating instructions. ng a thorough inspection and check, if safety tags are missing or are illegible. chments or retrofits on the machine, which could inhibit safety, without the prior consent of the manufacturer. This also applies to the installation and adjustment of safety devices and safety valves as well as to any welding on load carrying parts.

2.3.2

Crushing and burn prevention long as it is not safely resting on the ground or properly supported. supporting load carrying devices, such as ropes or chains.

R 313 Litronic / 8720401

MJFCIFSS

2-3

Safety information, signs

Operating instructions

Signs on the machine

lign bores with your fingers, always use a suitable alignment tool. fan while the Diesel engine is running. Rotating fans will swirl and throw out objects, which can damage the fan. pressure. Avoid contact with any components containing coolant. Danger of severe burns. diator cap on the expansion tank is cool enough to touch. Turn the cap carefully to relieve the pressure. ine and the hydraulic oil are hot. Do not allow your skin to come into contact with hot oil or components containing hot oil. sparks and open flames.

cured with the appropriate supports to prevent them from closing inadvertently. raised with the attachment, without being properly supported from below with hardwood beams.

2.3.3

Fire and explosion prevention

ll defects, such as loose connections, blown fuses and burned out light bulbs, burned or frayed cables. d open flames when filling the tank or loading the batteries. structions. ine except in appropriate storage tanks.

vent vibration, rubbing and heat build up. ciently ventilated areas. to start Diesel engines with preheat system or flame glow systems. DANGER OF EXPLOSION! location and use of fire extinguishers on the machine as well as the local fire reporting procedures and fire fighting possibilities.

2.4 Signs on the machine 2.4.1

Introduction The machine displays several types of signs:

2-4

MJFCIFSS

R 313 Litronic / 8720401

Operating instructions

Safety information, signs Signs on the machine

Safety plates provide warnings relating to dangers of accidents which could result in serious injury or death.

Information plates indicate specific points relating to the operation, maintenance and characteristics of the machine.

Nameplates are attached to components for which the machine number must be provided when ordering spare parts.

Danger!

Non-observance of safety plates can result in serious injury or death.

Check warning plates regularly to ensure that they are complete and clearly legible.

Replace missing or illegible safety and information plates immediately.

2.4.2

Safety and information signs

Fig. 2-1

R 313 Litronic / 8720401

Position of the signs on the machine

15

Lubrication schedule

20

Prohibition sign

22

Information sign re. operating symbols

30

Lubrication chart of engine

MJFCIFSS

2-5

Safety information, signs

Operating instructions

Signs on the machine

35

Information sign loading and attachment points Information sign re. attachment points for lifting

40

Tie-down point instruction sign

47

Information sign re. jumpstart

52

Safety sign re. engine shut-down

51

Safety sign re. danger zone

60

Information sign re. Lwa noise level Safety sign re. accident prevention, safety lever, working attachment

65

Load lift chart

80

Information sign re. safety belt

Information sign re. engine clean- 250 ing

Information sign re. emergency exit rear window

45

66

90

9952 Safety sign re. danger zone The signs indicate the following: 15: Lubrication chart Provides information on work to be carried out in connection with lubricants and specifies the test, lubrication and change intervals.

20: Prohibition sign It is prohibited to access the marked area.

22: Operating symbols Describes the functions of the operating devices that are not individually labelled.

30: Lubrication chart of engine Indicates the maintenance intervals of the diesel engine.

2-6

MJFCIFSS

R 313 Litronic / 8720401

Operating instructions

Safety information, signs Signs on the machine

35: Loading and attachment points Indicates the position of the loading and attachment points and the respective weight of the machine.

The values are maximum values. The actual value might deviate from those indicated on the signs.

40: Tie-down point Indicates the position of the tie-down points on the machine.

45: Attachment points for lifting Indicates the position of the attachment points for lifting on the machine.

47: Jump start When jumpstarting the machine, strictly adhere to the instructions in the operating manual.

51 and 9952 Point of danger Do not access the danger zone.

R 313 Litronic / 8720401

MJFCIFSS

2-7

Safety information, signs

Operating instructions

Signs on the machine

52: Engine shut-down Before opening the bonnet, shut down the engine.

60: Information sign re. Lwa noise level Indicates the noise level of the machine in dB(A). *XX = value of the machine, attached to the operator's cab.

65: Load lift chart Indicates the maximum permissible loads depending on the reach.

66, part 1: Accident prevention When operating the machine, always strictly adhere to the accident prevention instructions included in the operating manual.

2-8

MJFCIFSS

R 313 Litronic / 8720401

Operating instructions

Safety information, signs Signs on the machine

66, part 2: Safety lever Before leaving the operator's seat, pull the safety lever up to the stop.

66, part 3: Attachment The attachment can reach the operator's cab! Proceed with great care when retracting attachment.

80: Safety belt Before starting the machine, put on the safety belt.

85: Bonnet release Indicates the external relocking of the bonnet.

R 313 Litronic / 8720401

MJFCIFSS

2-9

Safety information, signs

Operating instructions

Signs on the machine

Sign 90: Engine cleaning The engine compartment may only be cleaned when the diesel engine is off.

Before cleaning the engine compartment with water or steam, cover all openings that must be protected for safety reasons from penetrating steam, water or detergent.

250: Emergency exit through rear window Pull the handle on the inside of the rear window to remove the rubber insert. The rear window can then be pushed out.

2.4.3

ID tag The machine and its components (e.g. diesel engine, gearbox, pumps) are equipped with ID tags. The ID tags indicate the ID numbers of the components.

The ID tag of the machine is located at the front of the uppercarriage. It contains the following information:

Fig. 2-2

2 - 10

ID tag of the machine

MJFCIFSS

R 313 Litronic / 8720401

3 Control, operation 3.1 Operating and control elements 3.1.1

Overview of operator's platform

Fig. 3-1

Operator's platform

1

Safety lever of servo steering

4

Fuse box

2 3

Outlet of heating Heating

P5 S4

Operating hour meter Horn

* optional equipment

Control, operation

Operating instructions

Operating and control elements

Fig. 3-2

Operator's platform seen from the operator

A Control console A B Control console B

10 11

Positioning slewing brake* Outrigger control

C Control console C 3 Right joystick

12 R76

Various kits* Fine adjustment

4 5

Left joystick Pedal for left chassis

S1 S5

Ignition switch Button for grapple rotation, various kits*

6

Pedal for right chassis

S6

Buttons for various kits*

9

Operation of attachment*

S382 Fine adjustment ON / OFF

* optional equipment

3-2

MJFCIFSS

R 313 Litronic / 8720401

Operating instructions

Control, operation Operating and control elements

3.1.2 3.1.2.1

Overview of left control console Control console A

Fig. 3-3

Control console A

Indicator instruments

R 313 Litronic / 8720401

P6

Dial indicator / coolant temperature

P7

Fuel level indicator

MJFCIFSS

P50

Clock

3-3

Control, operation

Operating instructions

Operating and control elements

Indicator light H7 H11

Engine oil pressure Pre-heating

H18 H26

Coolant level Quick change adapter*

H12

Battery charging

H175 Engine overheating

H13

Air filter contamination

H196 Scrap shear / sorting grapple*

H15

Hydraulic oil temperature

H307 Fine adjustment (delta P)

H16

Overload warning system*

H336 Water in fuel filter

Operation R75 S17

Speed adjustment Slewing gear brake

S47 Quick change adapter* S241 Additional users (AHS)*

S18

Overload warning system*

S360 Acknowledgement of quick change adapter buzzer*

S19

Grapple rotator*

S382 Activation fine control adjustment**

S21

Fast travel

S422 Radio mute mode

* optional equipment / ** alternative equipment

3.1.2.2

Control console B

Fig. 3-4

Control console B

S1 S20

Ignition switch Idle automatic

S93 Heating output* S284 Blower output

S74 S92

Immobiliser* S318 A/c system* Blower, air distribution in legroom S398 Reversing switch of blower

* optional equipment

3-4

MJFCIFSS

R 313 Litronic / 8720401

Operating instructions

Control, operation Operating and control elements

3.1.2.3

Control console C

Fig. 3-5

Control console C

S8 S11

Beacon* Windscreen washer system

S61 Travel light S218 Roof window wiper*

S14 S22

Windscreen wiper Front work headlights, front roof light*

E8 19

Cigarette lighter Ashtray

21

Fuse box

S22-1

Rear roof light*

* optional equipment

3.1.3 3.1.3.1

Function of the control console Indicating elements P5 - Operating hour meter Indicate the operating hours.

Used to schedule maintenance work according to he maintenance schedule.

Indicates the temperature of the engine coolant.

P7 - Fuel level indicator Indicates the fuel level in the fuel tank.

To prevent condensation, keep the fuel level as high as possible.

R 313 Litronic / 8720401

MJFCIFSS

3-5

Control, operation

Operating instructions

Operating and control elements

P50 - Clock Indicates the current time.

3.1.3.2

Indicator light H7 - Low engine oil pressure indicator light The indicator light is on, if the engine oil pressure drops below 0.5 bar.

This is accompanied by a buzzer sound in the operator's cab.

Immediately switch the engine to low idle gear.

Let engine run in low idle gear for about 5 seconds.

Switch off the engine.

H11 - Pre-heating indicator light The indicator light is on, as long as the pre-heating process is on. After completion of the pre-heating process, the indicator light is off and the engine can be started.

H12 - battery charging indicator light The indicator light is on as soon as the ignition key is in contact position.

The indicator light is off when the engine is started.

During engine operation, the indicator light is on, if the V-belt of the alternator or the electrical charging system is defective.

Immediately switch the engine to low idle gear.

Let engine run in low idle gear for about 5 seconds.

Switch off the engine.

Find and remove cause.

H13 - Air filter contamination indicator light The indicator light is on when the air filter is heavily contaminated.

Immediately switch the engine to low idle gear.

Let engine run in low idle gear for about 5 seconds.

Switch off the engine.

Replace the filter element, if required.

H15 - Hydraulic oil temperature indicator light The indicator light is on, if the hydraulic oil temperature in the tank exceeds 98 °C. Immediately switch the engine to low idle gear.

Switch off engine as soon as possible.

Identify the cause and eliminate it (e.g. dirty radiator, etc.)

3-6

MJFCIFSS

R 313 Litronic / 8720401

Operating instructions

Control, operation Operating and control elements

H16 - Overload warning indicator light* The indicator light is on, if the overload warning system S18 is activated and the maximum permissible load of the machine is reached.

This is accompanied by a buzzer sound in the operator's cab.

Avoid increasing the load.

Reduce the load of the machine.

H18 - Coolant level indicator light The indicator light is on, if the coolant level drops below a certain level.

Immediately switch the engine to low idle gear.

Switch off engine as soon as possible.

Find leak and repair.

Caution!

This monitoring device also helps detect loss of coolant (e.g. hose break). The machine operator or maintenance personnel must however still regularly inspect the coolant level in the expansion tank.

H26 - Quick-change adapter indicator light* The indicator light is on during the release procedure or if the lock pins are retracted.

H175 - Engine overheating indicator light The indicator lamp is on when the coolant is overheating.

This is accompanied by a buzzer sound in the operator's cab.

Immediately switch the engine to low idle gear.

Switch off engine as soon as possible.

Find and remove cause.

Note!

In the event of a V-belt break or defective charging system, the buzzer is disabled.

H196 - Grapple / hydraulic hammer indicator light* The indicator light is on, if the switch S241 is in position 1 (centre position).

H307 - Fine adjustment indicator light The indicator light is on after the fine adjustment has been activated by means of the rocker switch S382 in the left joystick or at the control console A (optional equipment).

H336 - Fuel pre-filter indicator light Indicates that there is excessive water in the fuel pre-filter.

Remove the water from the fuel pre-filter.

R 313 Litronic / 8720401

MJFCIFSS

3-7

Control, operation

Operating instructions

Operating and control elements

3.1.3.3

Switch S1 - Ignition switch The ignition key is used to switch on the electrical equipment and the diesel engine.

S8 - Beacon* Press the switch down.

The beacon flashes.

The indicator light in the switch is on.

Press the switch up.

The beacon is switched off.

The indicator light in the switch goes out.

S11 - Windscreen washer system Press and hold the button.

Windscreen washing solution is sprayed through the nozzles onto the windscreen.

Windscreen wipers are on in continuous mode.

Release the button.

Washing spray is stopped.

The windscreen wipers run in continuous mode for another approx. 3 seconds.

S14 - Windscreen wipers This switch can be set to two different positions.

Press the switch down into position 1 (centre position).

The wipers are on in continuous mode.

Press the switch down into position 2 (end position).

The wipers are on in interval mode.

S17 - Slewing gear brake Press the switch.

The slewing gear brake is applied.

The uppercarriage is locked in its position.

The indicator light in the switch is on.

Press the switch up.

The slewing gear brake is released.

The indicator light in the switch is off.

S18 - Overload warning system* Press the switch down.

The overload warning system is activated.

The indicator light in the switch is on.

Press the switch up.

The overload warning system is deactivated.

The indicator light in the switch is off.

3-8

MJFCIFSS

R 313 Litronic / 8720401

Operating instructions

Control, operation Operating and control elements

Press the switch down.

The grapple rotator is activated.

The indicator light in the switch is on.

Press the switch up.

The grapple rotator is deactivated.

The indicator light in the switch is off.

S20 - Sensor-controlled idle automatic Press the switch down.

The idle automatic is activated.

The indicator light in the switch is on.

Press the switch up.

The idle automatic is deactivated.

The indicator light in the switch is off.

S21 - Fast run Press the switch down.

The fast run mode is activated.

The indicator light in the switch is on.

Press the switch up.

The fast run mode is deactivated.

The indicator light in the switch is off.

S22 - Front work headlights, front roof light* This switch can be set to two different positions.

Press the switch down into position 1 (centre position).

The front work headlights are on.

Press the switch down into position 2 (end position).

The front work headlights are on.

The front roof light is on.

S22 - Rear roof light* This switch can be set to two different positions.

Press the switch down into position 1 (centre position).

No function assigned.

Press the switch down into position 2 (end position).

The rear work headlights are on.

The rear roof light is on.

S47 - Hydraulic quick-change adapter Press and hold the button.

The hydraulic quick-change adapter is activated.

The indicator light in the switch is on.

Release button.

The hydraulic quick-change adapter is deactivated.

The indicator light in the switch is off.

R 313 Litronic / 8720401

MJFCIFSS

3-9

Control, operation

Operating instructions

Operating and control elements

S61 - Travel light This switch can be set to two different positions.

Press the switch down into position 1 (centre position).

The parking light is activated.

Press the switch down into position 2 (end position).

The travel light is activated.

This switch works even if the ignition key is in position 0 or P. S92 - Air distribution in legroom This rotary switch is used to adjust the air distribution in the legroom.

Turn the switch to the left.

The air is blown through the openings at the windscreen.

Turn the rotary switch S92 to the right.

The air is blown through the openings at the operator's seat.

If the rotary switch is set to an intermediate position, the air is distributed between these two opening systems.

S93 - Heating output The rotary switch is used to adjust the heating output.

S218 - Cab roof window wiper This switch can be set to two different positions.

Press the switch down into position 1 (centre position).

The wiper is on in continuous mode.

Press and hold the switch down into position 2 (end position).

Windscreen washing solution is sprayed onto the window.

The wiper is on in continuous mode.

S241 - Additional users (AHS)* This switch determines whether the attachments or the boom adjustment (if mounted) can be operated.

Depending on the switch position, the pressure and volume settings for the supply of the consumers vary, see also chapter "Adjustment of boom, operation of working tool (AHS)".

S318 - A/c system* Press the switch down.

The a/c system is active.

The indicator light in the switch is on.

Press the switch up.

The a/c system is off.

The indicator light in the switch is off.

S360 - Acknowledgement of quick change adapter buzzer* Press the switch down.

The buzzer of the quick-change adapter is deactivated.

3 - 10

MJFCIFSS

R 313 Litronic / 8720401

Operating instructions

Control, operation Operating and control elements

S284 - Blower output The blower has 4 output levels. The rotary switch is used to adjust the blower output.

S382 - Activation of fine adjustment** This switch is only available, if fine adjustment cannot be activated at the joystick, due to the installation of optional equipment (see chapter "Fine adjustment).

Press the switch down.

The fine adjustment function is activated.

The indicator light in the switch is on.

Press the switch up.

The fine adjustment function is deactivated.

The indicator light in the switch is off.

S398 - Switching of blower air output Press the switch down.

The air flow from the blower is fed through the ventilation openings in the legroom.

The indicator light in the switch is on.

Press the switch up.

The air flow from the blower is fed through the ventilation openings in the rear panel of the cab.

The indicator light in the switch is off.

S422 - Radio mute mode Press the switch down.

The radio is muted.

The indicator light in the switch is on.

Press the switch up.

The radio works at the original volume.

The indicator light in the switch is off. * optional equipment / ** alternative equipment

R 313 Litronic / 8720401

MJFCIFSS

3 - 11

Control, operation

Operating instructions

Operation

3.2 Operation 3.2.1

Entering and exiting the operator's cab Caution!

Risk of injury when operator's cab is entered or exited without due regard to the safety instructions!

When entering and exiting the operator's cab, ensure that the safety lever is in its top position.

Always access and descend from the machine using the provided climbing aids.

Ensure that your body is resting on at least 3 points: Hold on to the machine with both hands when raising a foot, and stand on both feet when letting go with one hand.

Do not use operating elements as handles.

Never jump from the machine.

3.2.1.1

Mounting and dismounting from the machine

Fig. 3-6

Ascending using climbing aids

Mount the machine/dismount from the machine facing it (figure to the right).

3.2.1.2

Entering and exiting operator's cab

Fig. 3-7

3 - 12

MJFCIFSS

R 313 Litronic / 8720401

Operating instructions

Control, operation Operation

1 2

Door handle Locking mechanism

3 4

Inside door handle Lever of locking mechanism

Entering cab: Press the lock at the door handle 1 and open the door.

If you wish to leave the door open, open it fully (swivel by 180° backwards) and secure it with the locking mechanism 2.

Always enter the cab facing the machine, and sit down on the operator seat.

If necessary, adjust the operator seat and steering column.

Exiting cab: Shut down the machine and push the safety lever upwards.

Push down the door handle 3 at the door lock.

Open the door fully and secure it with the locking mechanism 2.

Face the machine when descending from it.

Releasing door locking mechanism: The door is secured with the locking mechanism 2.

Move the lever 4 beside the operator's cab frame outwards.

The door is now released.

Close the door.

3.2.2

Safety lever

Fig. 3-8

Safety lever

For safety purposes, the left-hand control desk is provided with a safety lever.

Caution!

The safety lever must always be pushed up into its highest position (see arrow) when entering or exiting the cab.

When the safety lever is pushed up, the pilot control pressure is interrupted. This means that: stick or foot pedals, are operated.

R 313 Litronic / 8720401

MJFCIFSS

3 - 13

Control, operation

Operating instructions

Operation

ngage (indicator light in switch S17 illuminates).

S17.

By moving the safety lever to its lowest position, the original switching states of the slewing gear brake and its switch S17 will be recreated and the pilot control devices are active.

Before starting work from the operator's seat, the safety lever must be pushed to its lowest position.

Fig. 3-9 tion) 1

Upper horizontal adjustment

4b Rear seat incline adjustment

7

Lumbar support adjustment

2

Lower horizontal adjustment Armrest adjustment

5

8

Seat heater

3

6

Seat suspension adjustment Lumbar support adjustment

10 Backrest adjustment

4a Front seat incline adjustment

This will avoid unexpected movements of the machine.

3 - 14

MJFCIFSS

R 313 Litronic / 8720401

Operating instructions

Control, operation Operation

3.2.3.1

Adjusting the armrests

Fig. 3-10

Adjusting the armrests

Turn the knurled screw 3 on the armrest in direction a.

The armrests incline upwards.

Turn the knurled screw 3 on the armrest in direction b.

The armrests incline downward.

3.2.3.2

Adjusting the seat and backrest

Fig. 3-11

Adjusting the seat and backrest

Rear seat incline: Pull lever 4a up, set the incline and release the lever.

Front seat incline: Pull lever 4b up, set the incline and release the lever.

Backrest: Pull lever 10 up, set the incline and release the lever.

R 313 Litronic / 8720401

MJFCIFSS

3 - 15

Control, operation

Operating instructions

Operation

3.2.3.3

Adjusting the horizontal seat position

Fig. 3-12

Horizontal seat adjustment

Pull up the lever 1 to push the operator's seat in the horizontal direction.

Pull up the lever 2 to push the operator's seat including the control panels in the horizontal direction.

3.2.3.4

Adjusting the seat suspension

Fig. 3-13

Adjusting the seat suspension

Use the turning knob 5 to adjust the seat suspension to match the body weight.

3 - 16

MJFCIFSS

R 313 Litronic / 8720401

Operating instructions

Control, operation Operation

3.2.3.5

Adjustments on switch arrangement (air- cushioned opera-

Fig. 3-14 To adjust the vibration damper: Press button 5 (+ or -) and set the vibration system according to body weight.

To adjust the lumbar support: Press button 6 (+ or -) to inflate or deflate the lower lumbar chamber.

Press button 7 (+ or -) to inflate or deflate the upper lumbar chamber.

To turn on the seat heater: Use switch 8 to turn the seat heater on or off.

The seat heater turns off automatically when the proper temperature is reached.

3.2.3.6

Putting on / releasing the safety belt

Fig. 3-15

Safety belt

The safety belt is automatic. It is not necessary to adjust the length of the belt.

Pull the belt and buckle 2 from the roller mount 1.

If pulled out of the roller mount jerky, the belt may lock.

Push the buckle into the belt lock 3 until it is properly engaged.

R 313 Litronic / 8720401

MJFCIFSS

3 - 17

Control, operation

Operating instructions

Operation

Danger!

The safety belt is designed to protect the operator.

Before starting the machine, always fasten the safety belt.

Ensure that the safety belt is not twisted when it is fastened.

To ensure your safety, check the condition, function and fastening of the belt regularly and replace any damaged parts immediately.

To open the lock 4, push the belt lock down using your thumb.

The safety belt will slide automatically back into the roller mount 1.

3.2.3.7

Vibration damper The seat complies with ISO 7096.

If the machine is used in accordance with regulations, the values of the vibration tation vibration for the relevant machine class in accordance with ISO 7096.

The values for vibration accelerations a zw, measured in accordance with ISO 26311, therefore comply with the requirements for protection against whole body vibration according to EN 474-1.

3.2.4

Front windshield

Fig. 3-16

Front windshield

The front windshield can be locked in two positions. a: Window closed. b: Window fully opened (locked in place on the roof of the cab).

Pull pin 1 in and down.

The window is unlocked.

Move the windshield with bracket 2, secure in one of the two window positions (a or b) and relock with the pin 1.

3 - 18

MJFCIFSS

R 313 Litronic / 8720401

Operating instructions

Control, operation Operation

3.2.5

Sun visor

Fig. 3-17

Sun visor, front windshield and cab roof

The cab is provided with two sun visors on the front windshield and on the window pane in the cab roof.

Front windshield Pull the sun visor down on the cross bar 1.

The sun visor can be adjusted as desired.

Press button 2 (red).

The sun visor rolls up by itself.

Cab roof Pull out the sun visor and secure it in the retainers designed for this purpose.

To retract the sun visor, remove it from the retainers and let it roll up slowly.

Fig. 3-18 By pulling the bracket 1 on the inside of the rear window, the rubber weather strip 2 can be released and removed.

In case of an emergency, pull off the rubber weather strip 2 from the circumference of the window and push the window out.

R 313 Litronic / 8720401

MJFCIFSS

3 - 19

Control, operation

Operating instructions

Operation

3.2.7

Interior illumination

Fig. 3-19

Interior illumination

The interior lighting is turned on with the slide regulator 1.

Push the slide regulator to the right.

Light 2 is turned on.

Push the slide regulator to the left.

The spot light 3 is turned on.

Push the sliding regulator to the center position.

The interior illumination is turned off.

3.2.8

Fire extinguisher (option)*

Fig. 3-20

Fire extinguisher / First-aid kit

The storage compartment for the fire extinguisher is located on the lower right in the operator's cab. *Operator regulations

3.2.9

Windshield wiper

3.2.9.1

Windshield wiper With the ignition turned on, press switch S14 on control panel C to activate the windshield wiper operation.

This switch has two settings:

3 - 20

MJFCIFSS

R 313 Litronic / 8720401

Operating instructions

Control, operation Operation

Push the switch in position 1 down (center position).

Continuous operation is activated.

Push the switch in position 2 down (final position).

Intermittent control is activated.

3.2.9.2

Window washer system With the ignition turned on, press switch S11 on control panel C fo activate the windshield washer system.

Press the button down and hold.

Water will be sprayed onto the front windshield through nozzles.

The windshield wiper runs continuously.

Release the button.

The water flow stops.

The windshield wiper continues to run continuously for approx. 3 seconds.

3.2.9.3

Windshield washing fluid container

Fig. 3-21

Windshield washing fluid container

The container for the windshield washing fluid is located at the rear of the cab.

Open the cover (see arrow) to refill the container with commercially available windshield washing fluid.

Quantity: see Lubrication Chart

3.2.9.4

Window wiper on cab roof

Fig. 3-22

R 313 Litronic / 8720401

Window wiper on cab roof

MJFCIFSS

3 - 21

Control, operation

Operating instructions

Operation

With the ignition turned on, press switch S14 on control panel C to activate the windshield wiper operation.

This switch has two settings: Push the switch in position 1 down (center position).

Continuous operation is activated.

Push the switch down to position 2 and hold (final position).

Water will be sprayed on the windshield.

The windshield wiper runs continuously.

3.2.10

Illumination

Fig. 3-23

Arrangement of the lighting devices

1

Parking and travel light

3

Roof light (optional equipment)

2

Attachment light

4

Beacon (optional equipment)

The switches for the lighting devices are located on the control console C.

3.2.10.1

Parking and dipped light When the ignition is on or off, the parking and dipped light can be switched on with the switch S22.

Press the switch (centre position).

The parking light is activated.

Press the switch down (end position).

The travel light is activated.

3 - 22

MJFCIFSS

R 313 Litronic / 8720401

Operating instructions

Control, operation Operation

3.2.10.2

Front attachment light, front roof light (optional equipment) When the ignition is on, the roof light and the attachment light can be switched on with the switch S22.

Press the switch (centre position).

The attachment light is on.

Press the switch down (end position).

Work attachment light and the roof light are on.

3.2.10.3

Rear work light (optional equipment) When the ignition is on, the rear work light can be switched on with the switch S22-1.

The centre position of this switch is not assigned any function (optional equipment).

Press the switch down (end position).

The rear roof light and the rear work light are on.

3.2.10.4

Beacon (optional equipment) When the ignition is on, the beacon can be switched on with the switch S8.

Press the switch down.

The beacon flashes.

The indicator light in the switch is on.

Press the switch up.

The beacon is switched off.

The indicator light in the switch is off.

3.2.11

Heating system The operator's cab is equipped with a heating system as standard. The heating system can be used to heat or ventilate the operator's cab. The switch of the heating system is located on the control console B. A/c operation

R 313 Litronic / 8720401

MJFCIFSS

3 - 23

Control, operation

Operating instructions

Operation

Fig. 3-24 S92

Operation of the air-conditioning system

Air distribution in legroom

S93 Heating output S284 Blower output

S318 A/c system* S398 Switching of blower air output

* optional equipment

Fig. 3-25

Overview of air outlets in the operator's cab

A Legroom, front windscreen

C Rear of cab

B Legroom, operator's seat Adjusting blower output: The output of the blower is adjusted by means of the rotary switch S284.

Position 0: The blower is switched off.

3 - 24

MJFCIFSS

R 313 Litronic / 8720401

Operating instructions

Control, operation Operation

Positions 1 to 4: The blower motor can be run at 4 different speeds.

Changing air outlet: Use the switch S398 to choose whether the air is to be let out in the legroom (A and B) or at the rear of the cab C. Press the switch down.

The air flow from the blower is fed through the ventilation openings in the legroom (A and B).

The indicator light in the switch is on.

Press the switch up.

The air flow from the blower is fed through the ventilation openings in the rear panel of the cab C. The indicator light in the switch is off.

Adjusting air distribution in the legroom: This rotary switch S92 is used to adjust the air distribution in the legroom.

The air is fed to the legroom (reverse switch light is on).

Turn the rotary switch to the left.

The air is blown through the openings 1 (windscreen).

Turn the rotary switch S92 to the right.

The air is blown through the openings 2 (operator's seat).

If the rotary switch is set to an intermediate position, the air is distributed between the two openings 1 and 2.

Adjusting heating output: Turn the rotary switch S93 to adjust the heating output.

The diesel engine must be on.

Turn the rotary switch S93 to the left.

The heating output is reduced.

When the switch is in position "0" (left stop), the heating is switched off.

Turn the rotary switch S93 to the right.

The heating output is increased.

Note!

In order to achieve optimum comfort in the cab, we recommend feeding the air through the openings in the legroom (A and B).

3.2.12

A/c system (optional equipment) On request, the machine can be equipped with an a/c system.

The a/c system is activated by means of the switch S318.

The diesel engine must be on.

Press the switch S318 down.

The a/c system is active.

The indicator light in the switch is on.

Press the switch S18 up.

The a/c system is off.

The indicator light in the switch is off.

R 313 Litronic / 8720401

MJFCIFSS

3 - 25

Control, operation

Operating instructions

Operation

If the rotary switch S284 (blower output) is in position 0 when the a/c system is switched on, the blower speed is automatically set to 1.

During a/c operation, the blower air is cooled. Use the rotary switch S93 (heating) to adjust the room temperature. The blower air is coolest when the rotary switch S93 is in position 0 (left stop).

In order to dehumidify the cab, switch on the a/c system while the system is in heating mode. Switch off the a/c system when all windows are completely defogged.

Note!

In order to achieve optimum comfort in the cab with a/c operation, we recommend feeding the air through the openings at the rear of the cab ( C).

3.3 Operation 3.3.1 3.3.1.1

Safety instructions Bringing the machine safely into service a thorough walk around inspection.

are closed, however, the locks should remain unlocked. the inside and outside mirrors are clean.

Secure all doors and windows to prevent unintentional movement. the surrounding area with the horn before starting the machine. and the other items to ensure comfortable and safe working conditions. sition during operation.

3.3.1.2

Starting the machine safely and instruments for proper function, bring all controls into neutral position and raise the safety lever. located near the machine. regulations in the operating instructions, if you have not received any other instructions. trols for their proper indication.

3 - 26

MJFCIFSS

R 313 Litronic / 8720401

Operating instructions

Control, operation Operation

Open doors and windows to ensure sufficient fresh air supply, if necessary. cause a slow reaction of the controls.

3.3.1.3

Shutting down the machine safely cured with chocks, wenn setting it on a slope, to secrure it against rolling away. hor it lightly into the ground. gear brake.

secure the machine against any unauthorized use.

3.3.1.4

Towing the machine safely operating manual. move the machine away from a dangerous place. check all cables, hooks and couplers for safety and stability. ensile strength and must be attached to the undercarriage at the provided stops.

Be aware that any damage or accidents caused by towing the machine are never covered by the manufacturer's warranty.

missible speed and distance. turn the machine to its previous state. service.

3.3.2 3.3.2.1

Starting / shutting down machine Tasks to be completed prior to machine start Preparation of machine: Caution!

A fire that is not accessible cannot be extinguished!

Before starting the machine, open all locks of the hydraulic excavator panels.

In the event of a fire, these doors can than be opened without delay to extinguish the fire.

Before starting the machine, carry out the following routine procedure:

R 313 Litronic / 8720401

MJFCIFSS

3 - 27

Control, operation

Operating instructions

Operation

Caution!

If the machine is already at operating temperature, proceed with special caution, as there is a risk of injury from hot coolant or oil.

Before completing the tasks described below, read the following sections in chapter "Maintenance".

Check oil level in engine*.

Check coolant level of diesel engine*.

Check oil level in hydraulic tank*.

Remove water from fuel system*. * For instructions on how to complete these tasks, refer to chapter "Maintenance".

If necessary, remove ice and snow from the cooling air and combustion air intake openings.

Switching on electrical system:

Fig. 3-26

Battery main switch

Turn battery main switch to position 1 (ON).

Deactivating the electronic immobiliser (optional equipment) On request, the machine can be equipped with an electronic immobiliser.

Fig. 3-27

Electronic immobiliser

Insert the code key 1 into the code lock S74 and remove it again.

The LED is off.

An audible signal is issued.

Switch on the electrical system.

3 - 28

MJFCIFSS

R 313 Litronic / 8720401

Operating instructions

Control, operation Operation

Switch on the electrical system by turning the ignition key within the next 9 seconds.

Start the diesel engine within the next 30 seconds.

IF the ignition key is not turned within 9 seconds, the code key must again be inserted into the code lock.

If the ignition key is turned, but the diesel engine is not started within 30 seconds, the code key must again be inserted into the code lock.

Note!

To reorder a code key, you must submit the code number printed on the enclosed code card (bank card size).

3.3.2.2

Starting the machine

Fig. 3-28

Ignition switch

0

Neutral position

2

no function assigned

1

Contact position

3

Ignition position

P

Parking position

Note!

Incorrect starting can damage the diesel engine!

Operate the starter only, if the diesel engine is off.

Do not operate the starter for periods of more than 20 seconds.

If the machine fails to start after 20 seconds of starter operation: wait at least 1 minute until the next start attempt.

Turn the ignition key to position 0 before starting the engine again.

After three unsuccessful start attempts: identify the cause of the failure and eliminate it.

Starting engine at ambient temperatures above 0 °C If the engine and the batteries are in good working order, the engine can be started without pre-heating.

The idle automatic S20 must be off.

The indicator light must be off.

Turn the speed adjustment switch R75 from the neutral position clockwise by 90 degrees.

Turn ignition key to ignition position 3.

R 313 Litronic / 8720401

MJFCIFSS

3 - 29

Control, operation

Operating instructions

Operation

As soon as the engine is running, release the ignition key.

All indicator lamps must be off.

When the engine is started, there is a temporary buzzing sound as the engine oil pressure is built up.

Starting engine at ambient temperatures below 0 °C Pre-heating improves the starting behaviour of the diesel engine at lower temperatures.

The idle automatic S20 must be off.

The indicator light must be off.

Turn the speed adjustment switch R75 from the neutral position clockwise by 90 degrees.

Turn key switch to position 1.

The indicator light H11 is on.

Wait until the indicator light H11 is off.

The pre-heating process is completed.

Turn ignition key to ignition position 3.

As soon as the engine is running, release the ignition key.

All indicator lamps must be off.

When the engine is started, there is a temporary buzzing sound as the engine oil pressure is built up.

Note!

Do not pre-heat the engine when it is at operating temperature.

3.3.2.3

Speed adjustment

Fig. 3-29

Speed adjustment

The speed adjustment switch R75 allows for the stepless adjustment of the engine speed across the entire speed range.

3.3.2.4

Overheating of engine If the engine is overheating, the indicator lamp H175 is on and an audible alarm signal (buzzer) is issued.

Immediately switch off the diesel engine (see also operating and maintenance instructions of Deutz engine).

3 - 30

MJFCIFSS

R 313 Litronic / 8720401

Operating instructions

Control, operation Operation

Fig. 3-30

Air intake system of the diesel engine

Note!

In order to ensure optimised conditions for the operation of the engine, remove any ice and snow from the bonnet of the engine and the intake openings for cooling and combustion air.

3.3.2.5

Notes after starting the engine Danger!

Danger of suffocation.

When operating in closed spaces, run the engine only with sufficient ventilation.

Open doors and windows to ensure sufficient supply of fresh air.

Caution!

At low oil temperatures, increased wear occurs in the Diesel engine and the hydraulic system and the controls will react sluggishly.

Bring the engine and hydraulic oil to operating temperature. The control operates sluggishly at low oil temperatures.

Carefully move the machine to an open area to check the function of the travel and swing gear brake.

Check that all attachment functions are operating properly.

3.3.2.6

Shutting the Diesel engine down Caution!

The engine could be damaged.

Do not shut down the engine suddenly from full throttle.

Reduce the engine RPM via the throttle control R75 to low idle.

Allow the Diesel engine to run in low idle for another 2 minutes to even out the temperature.

Now turn the ignition key to position 0 to shut down the engine.

Remove the ignition key.

R 313 Litronic / 8720401

MJFCIFSS

3 - 31

Control, operation

Operating instructions

Operation

3.3.3

Starting aid (Optional extra) Starting may be assisted using a fuel heating device.

The fuel feed is electrically heated to prevent the fuel from gelling at low outdoor temperatures.

Fuel preheating should be switched on at least 5 minutes before starting in low outdoor temperatures.

Press switch S213 on the right control panel before starting and with the ignition switched on.

Fuel preheating is switched on.

Indicator light in the switch illuminates.

Starting the diesel engine.

Note!

Only switch off fuel preheating when the fuel tank has warmed up sufficiently. This may take up to 30 minutes at low outdoor temperatures.

Press switch S213 again.

Fuel preheating is switched off.

Indicator light in the switch goes out.

3.3.4

Jump start procedure Danger!

When connecting to jump start batteries, old batteries can be subject to increased gas formation.

Wear safety glasses and protective gloves during the jump start procedure and avoid open flames and creating any sparks in the vicinity of the discharged vehicle battery. DANGER OF EXPLOSION! Only use jump start cables with a sufficient cross section. Always follow the established jump starting procedure.

3.3.4.1

Connecting the batteries First connect the cable to the positive terminal (+) of the discharged battery and then to the positive terminal (+) of the jump start battery.

Connect the second cable to the negative terminal (-) of the discharged battery and then to the negative terminal (-) of the jump start battery.

Start the engine as described above.

Caution!

Before removing the jump start cable, be sure to bring the Diesel engine of the jump started machine into low idle.

For safety reasons, turn on a large user, such as work headlights, uppercarriage lighting etc. to avoid overvoltage. The electronics could otherwise be damaged.

3.3.4.2

Disconnecting the batteries First remove the cable from the negative terminal (-) of the jump start battery and then from the negative terminal (-) of the discharged battery.

3 - 32

MJFCIFSS

R 313 Litronic / 8720401

Operating instructions

Control, operation Operation

Remove the second cable from the positive terminal (+) of the jump start battery and then from the positive terminal (+) of the discharged battery.

Check the electrical functions of the machine.

For battery care and maintenance, see the chapter "Battery care".

3.3.5 3.3.5.1

Travel operation Traveling straight ahead

Fig. 3-31

Traveling straight ahead

1

Idler

5a / 5b Pedal for left travel gear

2

Sprocket

6a / 6b Pedal for right travel gear

Caution!

For travel, the uppercarriage must be turned to the undercarriage in such a way that - when driving forward - the idler 1 is in front and the sprocket 2 is at the rear.

Travelling forward: Push both pedals forward (5a and 6a).

Travelling reverse: Caution!

Before driving in reverse, make sure you can move backward safely.

Push both pedals down (5b and 6b).

R 313 Litronic / 8720401

MJFCIFSS

3 - 33

Control, operation

Operating instructions

Operation

3.3.5.2

Counterrotation

Fig. 3-32

Counterrotation

Turning left (A): Push the left pedal down (5b).

Push the right pedal forward at the same time (6a).

Turning right (B): Push the right pedal down (6b).

Push the left pedal forward at the same time (5a).

3.3.5.3

Turning with one chain

Fig. 3-33

Turning with one chain

Turning to the left (A): Push the right pedal forward (6a).

Turning to the right (B): Push the left pedal forward (5a).

Note!

If possible, avoid turning backward to spare the travel gear components.

3 - 34

MJFCIFSS

R 313 Litronic / 8720401

Operating instructions

Control, operation Operation

3.3.5.4

Controlling the travel gear manually

Fig. 3-34

Manual travel gear control

Particularly sensitive travel is required.

Insert the manual levers (1 and 2) available in the tool kit into the pedals for the travel gear.

The travel gears can be operated manually.

Note!

When driving the machine on or off a flatbed trailer, the travel gear must be controlled manually for safety reasons.

3.3.5.5

Regulating the speed The travel speed is influenced via switch S21. The travel motors can be operated in two different positions: Normal travel (position 1): Maximum traction of both travel gears at moderate speed.

Fast travel (position 2): Reduced traction of both travel gears at maximum speed.

Push switch S21 down.

Change over from normal travel to fast travel is activated.

The indicator light in the switch lights up.

During travel, the gear shifts automatically from normal travel to fast travel, if ground conditions permit. If ground conditions become more difficult, the gear will automatically shift from fast travel back to normal travel.

Push switch S21 up.

Change over from normal travel to fast travel is deactivated.

The indicator light in the switch turns off.

When switch S21 is turned off, the travel motors remain always in position 1.

3.3.5.6

Slowing the machine down The hydrostatic travel drive of the machine also functions as a operating brake.

R 313 Litronic / 8720401

MJFCIFSS

3 - 35

Control, operation

Operating instructions

Working with the machine

Release the pedals for the travel gear.

The pedals return to neutral position.

The travel drive will be stopped.

The machine is slowed down.

When the pedals for the travel gear are in neutral position, the hydrostatic drive prevents the machine from rolling off.

In neutral position, the parking brake will be applied automatically after approx. 5 seconds. The attachment can still be moved.

Caution!

Releasing the pedals quickly causes the machine to stop abruptly.

Before starting the machine, always fasten the safety belt.

3.3.6

Blade support (optional equipment) The machine can be equipped with a blade support system.

Fig. 3-35

Operating the blade control

The blade support system is operated by means of the control lever 5.

To extend the blade support, move the control lever forward a.

To retract the blade support, move the control lever back b.

3.4 Working with the machine 3.4.1

Working with the machine safely the special regulations and warning signals. Part of the surrounding area includes, for example, the obstacles in the working or movement area, the load carrying capacity of the ground and required safeguards for the job site to shield it from public highway traffic. and an unsecured substrate. conditions of reduced visibility and changing ground conditions.

3 - 36

MJFCIFSS

R 313 Litronic / 8720401

Operating instructions

Control, operation Working with the machine

location of power lines on the job site and work particularly careful in their vicinity. If necessary, inform the responsible authorities. overhead lines. Do not approach the line with the equipment when working near electrical overhead lines. Danger of fatal injury! Inform yourself about required safety distances.

cured. ads, paths or squares, observe the valid traffic regulations and, if necessary, first bring the machine into proper condition to meet federal and local highway standards. ions of poor visibility or darkness. machine (except on two way excavators).

are carried out immediately. brake system as outlined in the operating manual.

, driven and operated in such way that the stability is ensured and that there is no danger of tipping over. Only known loads may be moved with the attachments, especially in grapple operation. pends on the attached equipment as well as the substrate. ngthwise direction and hold the load as close as possible to the ground.

EXCEPTION: see WHEN LOADING AND UNLOADING

uphill, never sideways on a slope. e permitted speed or you could loose control over the machine. since you may otherwise loose control of the machine. The Diesel engine must run in the upper revolution range and be reduced by selecting the low driving speed range / the lowest gear. ill, always shift to a lower gear. When doing this, the Diesel engine must run at maximum RPM and the speed may only be reduced using the accelerator pedals. truck driver leaves the cab, even if a rock protection is present. r their specific use for demolition work, clearings, hoisting operations, etc. overview of and whenever necessary, ask for assistance of a guide. Have only one person signal you.

R 313 Litronic / 8720401

MJFCIFSS

3 - 37

Control, operation

Operating instructions

Working with the machine

ator. The guide must position himself within view of the operator or be in voice contact with him. nt combination, there can be a danger of collision becab, the cab protection or the boom cylinders. To avoid damage, utmost attention is required when the bucket teeth enter this range.

3.4.1.1

Safe application in material handling operation (especially when handling timber) with a raised attachment and picked up load, for example when handling wood or timber. machine upward in vertical direction. The travel behaviour of the machine will be strongly influenced, for example reduction of dynamic stability.

For that reason, the following rules must be strictly observed: changed machine characteristics and surrounding conditions. aking, acceleration, changes in travel direction.

uppercarriage in travel position. , there is a danger due to possible oscillating movements and falling of the picked up load. front on the cab. is a danger of falling objects from overhead. y be picked up with the grapple. , such as wooden logs, depends on the length, the diameter and the specific weight. The existing influencing factors for a natural product, such as moisture, must be considered. cial instruction and training of the machine operator. sufficient training and practical experience.

3.4.1.2

Safe application of machines with tower elevation the center of gravity of the machine will shift upward in vertical direction. The travel and work behaviour of the machine will thereby be strongly influenced, for example reduction of dynamic stability. the machine must be aligned in horizontal direction before starting to work. In horizontal direction, the center of gravity of the uppercarriage is above the center of the undercarriage, which reduces the danger of tipping over.

For that reason, the following rules must be strictly observed: When driving the machine:

3 - 38

MJFCIFSS

R 313 Litronic / 8720401

Operating instructions

Control, operation Working with the machine

ven road surfaces endanger the stability of the machine. center of gravity) and surrounding conditions. aking, acceleration, changes in travel direction. lengthwise direction, to avoid impermissible transverse slopes of the machine. ly!

In material handling operation: must be supported and horizontally aligned. pacity of ground). Sinking of an outrigger below ground level would result in devastating consequences!

(Caution! Oscillating grapple), while holding the load as close as possible to the undercarriage and above the ground. stated in the load chart.

3.4.1.3

Additional notes for machines with fixed oper vation lengthwise and horizontal direction. Position the uppercarriage to the undercarriage in such a way that the steps and ladders are aligned. ly sure that they are free of dirt, oil, ice and snow.

NOTE: To ensure that the doors open in all weather conditions, lubricate the weather strips at least every two month, or more often, if necessary, with talcum powder or silicon. Lubricate the door hinges and locks regularly. three point support, i.e. always have two hands and one foot or two feet and one hand in contact with the entry system. climbing higher. External influences, such as wind, can make it more difficult to open the door. For that reason, always guide the door by hand when opening the door. Make sure that the door is engaged when it is open, to prevent it from banging open or closed. close the door and fasten the safety belt. and climbing up the machine. undercarriage in such a way that the steps and ladders are aligned. face the machine and use the three point support. Climb down until you can close the door safely. Always guide the door by hand when closing the door.

R 313 Litronic / 8720401

MJFCIFSS

3 - 39

Control, operation

Operating instructions

Working with the machine

3.4.1.4

Protection from vibrations manner of utilization. Especially the following parameters have a significant influence: braking, control of operating elements of the machine during travel as well as working. ation impact to a great part, since he himself selects the speed, the gear ratio, the working manner and the travel route.

This results in a wide range of various vibration impacts for the same machine type.

The full body vibration impact for the machine operator can be reduced if the following recommendations are observed: ent parts and auxiliary devices for the corresponding tasks. chines, for example hydraulic excavators, a seat which meets EN ISO 7096).

weight and the size of the operator. that the characteristics of the seat remain as specified by the seat manufacturer. sure, brakes, steering, mechanical connections, etc. machine in a jerky manner. el route to avoid vibration impacts.

ain where the machine is working and travelling in good order:

conditions, keep machines available and allow for sufficient time. for travel, utilize special auxiliary systems for travel (if installed), which reduce the vibration for this application.

If such auxiliary systems are not available, regulate the speed to keep the machine from "rocking".

3.4.2

Sensor controlled low idle automatic This device automatically reduces the engine RPM to low idle after 6 seconds, if no hydraulic functions are activated by the joystick or the pedals. This saves fuel and reduces noise. Touching the joystick or operating the pedals resets the engine RPM to its original setting.

Actuate the sensor controlled low idle automatic by pressing switch S20.

Press switch down.

The sensor controlled low idle automatic is activated.

The indicator light in the switch lights up.

3 - 40

MJFCIFSS

R 313 Litronic / 8720401

Operating instructions

Control, operation Working with the machine

Press switch up.

The sensor controlled low idle automatic is deactivated.

The indicator light in the switch turns off.

Caution!

The sensor controlled low idle automatic must be turned off when starting up the Diesel engine. The indicator light in the switch may not light up.

3.4.3

Fine adjustment The fine adjustment allows for extremely accurate and smooth machine movements, e.g. for work that requires great precision.

The function is based on the limitation of the maximum pump flow volume. By opting for fine adjustment, the machine movements are slowed down, even if the pilot control device (e.g. joystick) is operated to the stop.

Activation of fine adjustment mode at the left joystick:

Fig. 3-36

Fine adjustment mode, activation at the left joystick

Press the rocker switch S382 down.

The fine adjustment function is activated.

The indicator light H307 is on.

Press the rocker switch S382 up.

The fine adjustment function is deactivated.

The indicator light H307 is off.

Activation of function at the control console:

Fig. 3-37

R 313 Litronic / 8720401

Fine adjustment mode, activation at the control console

MJFCIFSS

3 - 41

Control, operation

Operating instructions

Working with the machine

If the function cannot be activated at the left joystick, due to the implementation of an optional special function, there is a switch S382 on the control console.

Press the switch down.

The fine adjustment function is activated.

The indicator light in the switch and the indicator light H307 are on.

Press the switch up.

The fine adjustment function is deactivated.

The indicator lights are off.

Adjusting the fine adjustment: Turn the rotary switch R76 to steplessly adjust the fine adjustment.

Adjust the pump flow volume with the rotary switch R76: Position 1: high pump flow volume, maximum working speed Position 2: reduced pump flow volume, minimum working speed Operate the attachment and check the working speed.

3.4.4

Rotating the uppercarriage Caution!

The machine is delivered as standard with PCSA controls.

On request, the machine can be equipped with a control system that deviates from the norm (e.g. with LIEBHERR control). The additional operating instructions for this control system apply in this case.

The joystick functions described here refer exclusively to PCSA controls.

The uppercarriage is rotated using the left joystick.

Fig. 3-38

Rotating the uppercarriage

Push the joystick to the left c.

Upper carriage rotates to the left.

Push the joystick to the right d.

Uppercarriage rotates to the right.

3 - 42

MJFCIFSS

R 313 Litronic / 8720401

Operating instructions

Control, operation Working with the machine

3.4.5

Braking the uppercarriage The uppercarriage can be hydraulically braked. A stationary uppercarriage can be locked in any position by means of the mechanical swing gear brake.

Hydraulic braking: Move the left joystick 4 to neutral.

Uppercarriage will be adequately hydraulically braked.

Move left joystick 4 in the opposite direction (counter).

Maximum hydraulic braking will be applied to the uppercarriage.

Mechanical swing gear brake: Caution!

Damage to the swing gear brake.

Only lock the mechanical swing gear brake when the uppercarriage is stationary.

Press switch S17.

Swing gear brake is engaged.

LED in switch illuminates.

Press switch S17 again.

Swing gear brake is released.

LED in the switch goes out.

To check the mechanical swing gear brake: Uppercarriage must be stationary.

Press switch S17.

Swing gear brake is engaged.

LED in switch illuminates.

Push left joystick 4 to the right and then to the left as far as the stop.

The uppercarriage should not rotate.

Swing gear brake is functioning correctly.

Positioning swing brake (option) The positioning swing brake is used for progressive and sensitive braking of the uppercarriage.

Fig. 3-39

R 313 Litronic / 8720401

Positioning swing brake

MJFCIFSS

3 - 43

Control, operation

Operating instructions

Working with the machine

Note!

Increased wear.

Do not use the positioning swing brake purely as an operating brake, but only as a stop and parking brake for the slewing gear.

The uppercarriage should preferably be braked hydraulically.

Engage pedal 10.

The uppercarriage is in the desired position after sensitive braking has been performed.

3.4.6

Working position

Fig. 3-40

Working position of the machine

Work with the machine must be performed through the idler.

Note!

When working in longitudinal direction using the backhoe bucket, move the excavator in reverse direction.

3.4.7

Operation of the working tool

Fig. 3-41

3 - 44

Right (3) and left (4) joystick

MJFCIFSS

R 313 Litronic / 8720401

Operating instructions

Control, operation Working with the machine

Caution!

All machines are equipped with the PCSA control as standard.

On special request, the machine can be fitted with a different control system (e.g.

LIEBHERR control). For such machines, observe the instructions in the respective separate operating manual.

PCSA control The left joystick (4) controls the stick and swivelling movements: a and b: stick is extended or retracted c and d: uppercarriage is swivelled to the left or right.

The right joystick (3) controls the boom, digging bucket and grapple movements: e and f: Digging bucket is tilted inwards or outwards. Grapple is closed or opened. g and h: Boom is lifted or lowered.

The joystick functions described here apply only to the PCSA control.

Moving the stick: The stick is moved by operating the left joystick 4.

Fig. 3-42

Moving the stick

Pull joystick backwards a.

Stick moves in direction a.

Push joystick forward b.

Stick moves in direction b.

Moving boom: The boom is moved by operating the right joystick 3.

R 313 Litronic / 8720401

MJFCIFSS

3 - 45

Control, operation

Operating instructions

Working with the machine

Fig. 3-43

Moving boom

Pull joystick backwards g.

Boom is lifted.

Push joystick forward h.

Boom is lowered.

Moving digging bucket: The digging bucket is moved by operating the right joystick 3.

Fig. 3-44

Moving digging bucket

Move joystick to the left e.

Digging bucket is tilted inwards.

Move joystick to the right f.

Digging bucket is tilted outwards.

Operating grapple: The grapple is operated with the right joystick 3.

3 - 46

MJFCIFSS

R 313 Litronic / 8720401

Operating instructions

Control, operation Working with the machine

Fig. 3-45

Operating grapple

Danger!

The grapple may not be guided by hand by another worker!

Move joystick to the left e.

Grapple is closed.

Move joystick to the right f.

Grapple is opened.

Combined movements: Diagonal movement of a joystick results in a combination of the associated working tool movements. Operators can thus complete different tool movements at the same time.

3.4.8

Lowering of the working tool when engine is shut off In the event of an emergency, the working tool can be lowered when the diesel engine is not running.

Fig. 3-46

Lowering the working tool when the diesel engine is off

Turn the ignition key to contact position 1.

Operate the joysticks or pedals until the working tool is lowered.

R 313 Litronic / 8720401

MJFCIFSS

3 - 47

Control, operation

Operating instructions

Working with the machine

Note The working tool can be lowered thanks to the pressure reserve in the control oil unit. This reserve is however limited and allows only for a few movements.

Therefore use the joystick and pedal only to lower the working tool and do not attempt to complete other movements.

3.4.9

Adjustment of boom, operation of working tool (AHS) The machine can move an adjustable boom and hydraulic working tool, using different pressure and flow volume settings. Depending on the equipment, the attachments are actuated with the accessory kits AHS 1, AHS 11 and AHS 12 (optional equipment).

Caution!

Incorrect pressure or flow reduction settings may result in damage to the working tool (e.g. hydraulic hammer) or a reduction in functions (e.g. boom regulating cylinder).

A

Danger!

If a large or wide working tool (e.g. grapple) is swivelled towards the operator's cab, it might collide with the cab or even break through it, causing a danger to the machine operator.

Note!

If the machine is used for hammer operation for a prolonged period of time, the hydraulic oil might become dirty more quickly.

The intervals for the hydraulic oil change and the replacement of the filter cartridges must be adjusted accordingly.

The working tool and boom are operated by means of the pedals m and k.

3.4.9.1

Operating the boom (AHS 1)

Fig. 3-47

3 - 48

Operation of the adjustable boom.

MJFCIFSS

R 313 Litronic / 8720401

Operating instructions

Control, operation Working with the machine

The machine is equipped with the accessory kit AHS 1.

The machine features an adjustable boom.

Press foot pedal k down.

The boom is lifted.

Press foot pedal m down.

The boom is lowered.

3.4.9.2

Operating the working tool (AHS 11)

Fig. 3-48

Operation of the working tool

The machine is equipped with the accessory kit AHS 11.

The machine features a gooseneck boom (not adjustable) and a switch S241 for hydraulic working tools.

Use the switch S241 to select the operating mode. The switch can be set to three different positions:

Position

Description

0 (up)

For working tools requiring high pressure (e.g. sorting grapple, scrap shears).

Both pedals m and k are operated at the full oil volume; the pressure is reduced at the right pedal k.

The indicator light H196 is on.

1 (centre)

For working tools requiring high pressure (e.g. sorting grapple, scrap shears).

Both pedals m and k are operated at the full oil volume and the full pressure.

The indicator light H196 is off.

2 (down)

For working tools requiring reduced pressure (e.g. hydraulic hammer, pile driver).

The indicator light H196 is off.

The indicator light in the switch S241 is on.

Both pedals are operated at a reduced oil volume; the pressure is reduced at the right pedal k.

Tab. 3-1

Operating modes for AHS 11

Select the operating mode.

R 313 Litronic / 8720401

MJFCIFSS

3 - 49

Control, operation

Operating instructions

Working with the machine

Press foot pedal k down: The scrap shears or the sorting grapple are closed.

- alternatively The hydraulic hammer is started.

Press foot pedal m down: The scrap shears or the sorting grapple are opened.

3.4.9.3

Adjustment of boom and operation of working tool (AHS 12)

Fig. 3-49

Adjusting the boom and operating the working tool

The machine is equipped with the accessory kit AHS 12.

The machine features an adjustable boom and a switch S241 for hydraulic working tools.

Use the switch S241 to select the operating mode. The switch can be set to three different positions:

Position

Description

0 (up)

For boom adjustment No pressure or volume reduction

1 (centre)

For working tools requiring high pressure (e.g. sorting grapple, scrap shears).

Both pedals m and k are operated at the full oil volume and the full pressure.

The indicator light H196 is on.

2 (down)

For working tools requiring reduced pressure (e.g. hydraulic hammer, pile driver).

The indicator light H196 is off.

The indicator light in the switch S241 is on.

Both pedals are operated at a reduced oil volume; the pressure is reduced at the right pedal k.

Tab. 3-2

Operating modes for AHS 12

Select the operating mode.

3 - 50

MJFCIFSS

R 313 Litronic / 8720401

Operating instructions

Control, operation Working with the machine

Press foot pedal k down: The boom is lifted.

- alternatively The scrap shears or the sorting grapple are closed.

- alternatively The hydraulic hammer is started.

Press foot pedal m down: The boom is lowered.

- alternatively The scrap shears or the sorting grapple are opened.

3.4.10

Horizontal boom movement (AHS) The boom is operated by means of the pedals m and k.

3.4.10.1

Gooseneck boom allowing for horizontal movement

Fig. 3-50

Operating the gooseneck boom allowing for horizontal movement

Option 1 The machine is equipped with the accessory kit AHS 1.

The machine features a horizontally adjustable gooseneck boom.

Press foot pedal k down.

The boom is swivelled to the right.

Press foot pedal m down.

The boom is swivelled to the left.

Option 2 The machine is equipped with the accessory kit AHS 12.

The machine features a horizontally adjustable gooseneck boom and a switch S241 for hydraulic working tools and horizontal boom adjustment.

Use the switch S241 to select the operating mode. The switch can be set to two different positions:

R 313 Litronic / 8720401

MJFCIFSS

3 - 51

Control, operation

Operating instructions

Working with the machine

Position

Description

0 (up)

For boom adjustment No pressure or volume reduction

1 (centre)

For working tools (see Tab. 3-2)

2 (down)

For working tools (see Tab. 3-2)

Tab. 3-3

Operating modes for AHS 12 / horizontally adjustable boom

Select the operating mode 0.

Press foot pedal k down.

The boom is swivelled to the right.

Press foot pedal m down.

The boom is swivelled to the left.

3.4.10.2

Vertically and horizontally adjustable boom Option 1: without hydraulic working tool

Fig. 3-51

Operating the vertically and horizontally adjustable boom

The machine is equipped with the accessory kit AHS 12.

The machine features a vertically and horizontally adjustable boom and the switch S241. The switch is exclusively designed for the adjustment of the boom.

Use the switch S241 to select the operating mode. The switch can be set to three different positions:

3 - 52

MJFCIFSS

R 313 Litronic / 8720401

Operating instructions

Control, operation Working with the machine

Position

Description

0 (up)

For boom adjustment No pressure or volume reduction

1 (centre)

For horizontal boom adjustment No pressure or volume reduction The indicator light H196 is on.

2 (down)

No function assigned

Tab. 3-4

Operating modes for AHS 12 / vertically and horizontally adjustable boom

Select the operating mode 0 or 1.

Press foot pedal k down.

The boom is lifted or swivelled to the right.

Press foot pedal m down.

The boom is lowered or swivelled to the left.

Option 2: with hydraulic working tool

Fig. 3-52

Settings for vertical and horizontal adjusting equipment

The machine is equipped with the accessory kit AHS 12 and a changeover valve.

The machine features a vertically and horizontally adjustable boom and the switch S241. The switch is exclusively designed for the adjustment of the boom and the operation of hydraulic working tools.

Use the switch S241 to select the operating mode. The switch can be set to three different positions:

R 313 Litronic / 8720401

Position

Description

0 (up)

Boom adjustment (vertical or horizontal)

1 (centre)

Working tool (see Tab. 3-2)

2 (down)

Working tool (see Tab. 3-2)

MJFCIFSS

3 - 53

Control, operation

Operating instructions

Working with the machine

Select the operating mode 0.

Vertical adjustment of the boom: Press the switch S356 up.

The boom regulating cylinder is activated.

The indicator light H323 is off.

Press foot pedal k down.

The boom is lifted.

Press foot pedal m down. the boom is lowered.

Horizontal adjustment of the boom Set the switch S241 to position 0.

Press the switch S356 down.

The horizontal adjustment function is activated.

The indicator light H323 is on.

Press foot pedal k down.

The boom is swivelled to the right.

Press foot pedal m down.

The boom is swivelled to the left.

3.4.11

Turning, rotating, locking and unlocking the attachments Switch S19 is used to activate an additional function:

Fig. 3-53

Attachment examples

To operate, press the push button. The push buttons are located on the left and /or right joystick (depending on the machine configuration):

3 - 54

MJFCIFSS

R 313 Litronic / 8720401

Operating instructions

Control, operation Working with the machine

Fig. 3-54 E

Push button on the joystick

Operation with left joystick (standard)

F

Operation with left and right joystick (option)

Danger!

Never allow anyone to guide the grapple by hand!

Press switch S19 down.

Additional function (e.g. rotating grapple) is activated.

The indicator light in the switch lights up.

Press and hold left push button L. Grapple will rotate to the left (counterclockwise).

- or The rotating bucket is turned to the left (counterclockwise), i. e. it moves down to the left.

- or Locking pins will be extended.

Press and hold right push button R. Grapple will rotate to the right (clockwise).

- or The rotating bucket is turned to the right (clockwise), i. e. it moves down to the right.

- or Locking pins will be retracted.

R 313 Litronic / 8720401

MJFCIFSS

3 - 55

Control, operation

Operating instructions

Working with the machine

3.4.12

Change over of controls (option)

Fig. 3-55

Change over of controls

On request, the machine can be equipped with the "Change over control" kit. This enables the operator to change the function "Curl bucket" (directions of movement e and f) on the right joystick 3 to the additional user control m and k.

The control is changed over via key switch S405 in the right control panel.

Turn the key switch S405 to position 1.

The indicator light H322 in the right control panel lights up.

The control functions are changed over.

Foot pedal function does not operate.

Push the right joystick 3 to the left e.

The same function will be carried out as if the left foot pedal m.would be operated.

Push the right joystick 3 to the right f.

The same function will be carried out as if the right foot pedal k would be operated.

3.4.13 3.4.13.1

Overload warning device General The overload warning device shows the machine operator when the permissible load carrying capacity has been reached, both optically via the indicator light H16 and acoustically, via a buzzer.

The overload warning device is designed to prevent the permissible load level from being exceeded unintentionally. In this event, the working range must be reduced or the load must be set down without increasing the working range.

The overload warning device does not relieve the operator of the responsibility of lifting only known loads or permissible loads, based on the load carrying capacity of the machine.

The permissible load carrying capacity depends on the condition of the machine (undercarriage, attachment) and must be taken from the load chart in the cab.

The load carrying capacity values attain a maximum of 75% of the tipping capacity or 87 % of the hydraulic lifting power in accordance with ISO 10567.

3 - 56

MJFCIFSS

R 313 Litronic / 8720401

Operating instructions

Control, operation Working with the machine

Note!

The load values change due to the installation or removal of attachment parts and working tools.

For backhoe attachment (without the backhoe, incl. bucket cylinder, change over lever and connecting link) the values on the top of the stick apply. The machine can be turned by 360° on solid, level ground. If the bucket cylinder, change over lever and connecting link are removed, the values increase by an additional 240 kg. If a quick change adapter is used, the values are reduced by 116 kg (QCA 33) or 225 kg (QCA 48).

3.4.13.2

Operating principle Danger!

When carrying out load lifting work with the machine, the applicable accident prevention regulations must be observed.

The overload warning device does not shut down the machine if the permissible load level is exceeded. The machine operator is only informed of the situation.

The overload warning device consists of a simple pressure switch, which is connected to the piston side of the hoist cylinder.

If the load pressure in the hoist cylinder reaches the level of the shift pressure, the pressure switch emits a signal, the indicator light H16 lights up and the buzzer sounds.

The shift pressure in the pressure switch is selected in such a way that the stability factors can be maintained, even in unsupported condition (small stability momentum).

3.4.13.3

Operation Danger!

No load lifting work may be carried out if the overload warning device is defective.

The overload warning device must be repaired by an expert technician.

The overload warning device is activated via switch S18 in the control panel A in the right control console.

Press switch S18 down.

The overload warning device is activated.

The indicator light in the switch lights up.

Note!

The overload warning device must be checked before the first use and annually by an expert technician in accordance with the inspection and adjustment guidelines provided in the service manual.

The operator must check the function of the overload warning device before each work shift.

To check the overload warning device, extend the hoist cylinder to the stop.

Continue to move the joystick in the direction Raise boom.

The warning symbol must light up.

The buzzer must sound.

R 313 Litronic / 8720401

MJFCIFSS

3 - 57

Control, operation

Operating instructions

Installation and removal of attachment parts

Note!

Deactivate the overload warning device when working with a digging tool, since the increased effort of the machine will cause the overload warning device to be constantly active.

Press switch S18 up.

The overload warning device is deactivated.

The indicator light in the switch turns off.

3.5 Installation and removal of attachment parts 3.5.1

Safe installation and removal of attachment parts

machine without prior written approval by LIEBHERR. LIEBHERR must be provided with the required technical documentation necessary for this purpose. parts, which are supplied via the machine's hydraulics system, such as an attachment with cylinder movement, it must be ensured that different types of oil are not mixed together.

Mixing environmentally friendly hydraulic oils made by different manufacturers as well as mixing them with mineral oils must be avoided. of equipment parts.

to being supported. propping the machine. tem as described in these operating instructions. itable lifting devices with sufficient load carrying capacity. gloves when handling wire cables. lever upward. Never align the holes with your fingers; use a suitable mandrel. lic lines are properly attached and that all fittings and connections are properly tightened. in the hydraulic circuit to prevent dirt infiltration. Permit only authorized persons near the machine or the lifting device.

3.5.2

Safe removal and installation of attachment pins lling device to push out the pins on the attachment.

3 - 58

MJFCIFSS

R 313 Litronic / 8720401

Operating instructions

Control, operation Installation and removal of attachment parts

held by another person. from the tool box in the threaded bore of the pin and hit the screw only. castle nut and cotter pin, drive the pin in first to the stop, then install the castle nut by hand until contact and tighten it only to the point where the cotter pin can be installed.

3.5.3

Installation and removal of digging tool

Fig. 3-56

Installation and removal of digging tools

The following is a description of the installation and removal of digging tools. Digging tools include backhoe bucket, ditch cleaning buckets or ripper.

3.5.3.1

Removing the digging tool Position the attachment in such a way that the entire bottom part of the digging tool is laying on the ground.

Unscrew the locking plate 5 and remove the locking plate 6 and knock out pin 3 and pin 4.

If necessary, raise the attachment slightly when knocking out pin 4 to relieve it.

R 313 Litronic / 8720401

MJFCIFSS

3 - 59

Control, operation

Operating instructions

Installation and removal of attachment parts

3.5.3.2

Installing a new digging tool Position the digging tool to be installed in such a way that its entire flat bottom is laying on the ground.

Start the engine and move the attachment until the bucket stick bearing and the bearing points 1 of the digging tool are aligned.

Guide in pin 4 and secure it with plate 6.

Extend the bucket cylinder slowly until the bore hole in the connecting link 7 is located precisely between the bearing points 2.

Guide in pin 3 and secure it with plate 5.

Grease all lube points on pins 3 and 4 until clean grease emerges on the corresponding bearing points.

3.5.3.3

Bucket cylinder operation Two hydraulic lines on the stick are used either for bucket cylinder operation or grapple operation.

The lines are switchable via a valve block 15: a - Bucket cylinder operation (for digging tools) b - Grapple operation (for grapple, scrap cutter etc.)

Turn the both square head bolts on valve block 15 in such a way that the markings are positioned transverse to the travel direction (position a, bucket cylinder operation).

Note!

If the machine is equipped with a hydraulic quick change adapter and LIKUFIX, it is not necessary to switch between bucket cylinder operation and grapple operation. There is no valve block 15.

3 - 60

MJFCIFSS

R 313 Litronic / 8720401

Operating instructions

Control, operation Installation and removal of attachment parts

3.5.4

Installation and removal of grapple on stick

Fig. 3-57

R 313 Litronic / 8720401

Installation and removal of grapple on stick

MJFCIFSS

3 - 61

Control, operation

Operating instructions

Installation and removal of attachment parts

Before installing a clamshell bucket or multiple tine grab, make sure that the required hydraulic lines for grapple operation are installed on the stick.

The installation and removal of the grapple must be carried out by two people.

Danger!

Danger of injury.

Ensure that the machine operator follows the hand signal given by the guide when moving the attachment.

3.5.4.1

Installing the grapple If necessary, remove the digging tool.

Retract the bucket cylinder to the stop.

Install screws 8 between connecting link 7 and the change over lever 9.

Position the grapple with fully opened shells.

Move the attachment to bring the lower mount of the stick between the bearing points of the grapple suspension 1.

Guide in pin 4 and secure it with plate 6.

Connect hydraulic hose 11 and hydraulic hose 12 for the shell cylinder supply to the pipes for the bucket cylinder.

For a grapple with a hydraulic rotating grapple drive, also connect hoses 13 and 14 to the pipes for this auxiliary device.

3.5.4.2

Grapple operation Two hydraulic lines on the stick are used either for bucket cylinder operation or grapple operation.

The lines are switchable via a valve block 15: a - Bucket cylinder operation (for digging tools) b - Grapple operation (for grapple, scrap cutter etc.)

Turn the both square head bolts on valve block 15 in such a way that the markings are positioned in travel direction (position b, grapple operation).

Note If the machine is equipped with a hydraulic quick change adapter and LIKUFIX, it is not necessary to switch between bucket cylinder operation and grapple operation. There is no valve block 15.

Carry out all work movements several times without a load (open and close the shells or turn the grapple to the left and to the right) to remove any air in the hydraulic circuits.

3.5.4.3

Removing the grapple Set down the grapple on level ground with fully opened shells.

Shut down the engine and, with the ignition key in the contact position, move the right joystick briefly to the left and then to the right to relieve the pressure in the hydraulic circuits.

To relieve the grapple rotator press the two push buttons in the left (or left and

3 - 62

MJFCIFSS

R 313 Litronic / 8720401

Operating instructions

Control, operation Installation and removal of attachment parts

Raise the safety lever.

Disconnect hydraulic hose 11, hydraulic hose 12 and, if present, hydraulic hoses 13 and 14 from the pipes on the stick.

Close off open lines immediately to prevent dirt infiltration.

Support the grapple so that it is stable.

Remove the plate 6 and carefully knock out pin 4. If necessary, start the engine and raise the attachment slightly.

3.5.5 3.5.5.1

Mechanical quick change adapter (option) Safety instructions and removal of working tools. Move the attachment as slowly as possible when installing or removing a working tool.

Familiarize yourself with the operating principle of the quick change adapter before installing or removing any working tools. unlocking to avoid dangerous movements. stand on the working tool or attachment. machine operator must ensure that the locking pins for the quick change adapter are inserted in the proper bore holes on the working tool and that the working tool is attached properly. Check visually to ensure that the working tool is tightly seated. e tool, but only lift the tool to the point where the seating can be checked, for example the pin in the pin eye, by curling the bucket in and out. to ensure it is still seated tightly. hook can exceed or fall below the load carrying capacity of the carrier machine.

During operation, make sure that the values given in the load chart and the technical data of the carrier machine are adhered to.

3.5.5.2

Overview

Fig. 3-58

R 313 Litronic / 8720401

Mechanical quick change adapter

MJFCIFSS

3 - 63

Control, operation

Operating instructions

Installation and removal of attachment parts

3.5.5.3

1

Locking pin (extended)

3

Crank

5

Load hook

2

Locking screw

4

Plug

6

Pick-up hook for working tool

Attaching the working tool Bring the equipment into position:

Fig. 3-59

Positioning the attachment

The working tool must be in stable position or lying loosely on the ground.

Move the stick and working tool into position.

Retract the bucket cylinder fully.

To unlock the quick change adapter: Danger!

Danger of injury!

Ensure that the attachment or tool cannot be moved by others when this action is being carried out.

Approach the quick change adapter from the side and unscrew the locking screw 2 from the locking pin 1 using the crank 3 (see Fig. 3-58).

Insert the crank 3 in the locking pin 1 and turn to the left (counterclockwise) until both locking pins 1 are retracted completely.

Picking up the working tool:

Fig. 3-60

Picking up the working tool

Move the quick change adapter into a position that allows the working tool to be picked up with the pick-up hook.

3 - 64

MJFCIFSS

R 313 Litronic / 8720401

Operating instructions

Control, operation Installation and removal of attachment parts

Lift the working tool off the ground and fully extend the bucket cylinder until the bearing plate for the working tool is resting on the quick change adapter stop.

The bore holes of the working tool and the locking pins of the quick change adapter must be aligned.

To lock the quick change adapter:

Fig. 3-61

Locking the quick change adapter

Danger!

Prior to locking, there is no fixed connection between the working tool and the quick change adapter. The working tool could under certain circumstances fall out and injure people.

Approach the quick change adapter with the utmost caution.

Raise the safety lever to secure the attachment against unintentional movement.

No work movements can be carried out when pilot control devices, e.g. the joystick or foot pedals, are operated.

Insert the crank 3 in the locking pin 1 and turn to the right (clockwise), until both locking pins 1 are fully extended.

If properly picked up, the working tool is now connected.

Screw the locking screw 2 into the locking pin.

Danger!

An incorrectly locked quick change adapter could open during operation!

Ensure that the locking pins are always closed off by the plug 4 on the one side and by the locking screw 2 on the other side.

Check daily to ensure that the locking screw 2 is seated tightly.

Caution!

Hydraulic lines are pressurized!

Before connecting the hydraulic lines, release the pressure using the joystick (shut down the Diesel engine, turn the ignition key to the contact position, operate the joystick).

Connect the hydraulic lines or electrical lines, if necessary (e.g. for grapple installation).

R 313 Litronic / 8720401

MJFCIFSS

3 - 65

Control, operation

Operating instructions

Installation and removal of attachment parts

3.5.5.4

Removing a working tool Bring the equipment into position: Caution!

Hydraulic lines are pressurized!

Before disconnecting the hydraulic lines, release the pressure using the joystick (shut down the Diesel engine, turn the ignition key to the contact position, operate the joystick).

Disconnect hydraulic lines or electrical lines, if necessary (e.g. for removal of grapple).

Extend the bucket cylinder fully.

To unlock the quick change adapter:

Fig. 3-62

Unlocking the quick change adapter

Danger!

Danger of injury!

Once unlocked, there is no fixed connection between the adapter and the working tool. The working tool could work itself out independently.

Ensure that the attachment or tool cannot be moved by others when this action is being carried out.

During the unlocking procedure, always keep the working tool as close to the ground as possible to avoid dangerous movements.

Approach the quick change adapter from the side and unscrew the locking screw 2 from the locking pin 1 using the crank 3.

Insert the crank 3 in the locking pin 1 and turn to the left (counterclockwise) until both locking pins 1 are retracted completely.

3 - 66

MJFCIFSS

R 313 Litronic / 8720401

Operating instructions

Control, operation Installation and removal of attachment parts

To place down the working tool:

Fig. 3-63

Placing the work tool down

Slowly retract the bucket cylinder and place the working tool down on the ground.

The new working tool can be picked up.

3.5.5.5

Using the quick change adapter for load lifting work

Fig. 3-64

Mechanical quick change adapter

The quick change adapter is equipped with two integrated load hooks. The machine may only be used for load lifting work if the safety devices required for this purpose are present and functioning correctly (see The maximum load carrying capacity of each individual load hook is stated on the quick change adapter. The load carrying capacity of the quick change adapter or the integrated load hook can exceed or fall below the load carrying capacity of the carrier machine.

During operation, make sure that the values given in the load chart and the technical data of the carrier machine are adhered to.

Load lifting work can be carried out with attached or removed working tools. With removed working tools, it is appropriate to fully retract the locking pins when carrying out lifting work. This prevents the load lift device from being deflected too strongly and damaged by the locking pins.

Danger!

Never use the pick-up hook 6 to fasten a load, because there is no secure hold for the load pick-up device, e.g. ropes or chains, in the pick-up hook.

R 313 Litronic / 8720401

MJFCIFSS

3 - 67

Control, operation

Operating instructions

Installation and removal of attachment parts

3.5.6 3.5.6.1

Hydraulic quick-change adapter (optional equipment) Safety information in the working area of the tool. During mounting and removing, move the working tool only at minimum speed, and only if absolutely necessary.

Before actually mounting a working tool, familiarise yourself with the operation of the quick-change adapter and its features. with a visual and acoustic warning device (buzzer and indicator light). This warning system must be tested every day by operating the quick-change adapter. release procedures, immediately shut down the machine operation. If the buzzer and light are not on when you are carrying out an intended locking or release procedures, immediately stop the procedure.

Alarm signals can be triggered if a locking pin has inadvertently become dislodged, or by mechanical or hydraulic damage. Alarm signals might also be caused by defects in the electrical system (e.g. at the proximity switch or buzzer).

Operation may only resume after the defective part has been repaired or replaced. or buttons are actuated.

Place the working tool as little above the ground as is necessary before starting the releasing procedure, in order to avoid dangerous movements. Activate the quick-change adapter only to initiate a locking or releasing process. locking pins of the quick-change adapter are fully driven into the boreholes at the working tool and hold the working tool in place. The safe mounting of the working tool must be checked with a proper visual inspection. ted with the attached tool whereby the working tool may be lifted to a height at which the proper seat of the pins can be tested, e.g. the tilting the bucket, and inspecting the bolt in the bolt eye. k-change adapter or the integrated load lift hooks may be above or below that of the actual machine. During operation, ensure that the actual load does not exceed the limit load specified in the load table and the technical data of the basic machine.

3.5.6.2

Overview

Fig. 3-65

3 - 68

Hydraulic quick-change adapter

MJFCIFSS

R 313 Litronic / 8720401

Operating instructions

Control, operation Installation and removal of attachment parts

1

3.5.6.3

Locking pin (extended)

5

Load lift hook

6

Mounting hook for working tool

Control elements

Fig. 3-66

Control elements for the hydraulic quick-change adapter

The auxiliary hydraulic unit for the grapple rotator and the quick change adapter is activated with switch S19.

To activate the quick-change adapter function, press the button S47.

The indicator light H26 and the buzzer (warning signal) are on, indicating that the quick-change adapter has been released or is not properly locked.

3.5.6.4

Two-hand control

Fig. 3-67

Locking (L) and releasing (R)

For safety reasons, two control elements must be operated simultaneously to move the locking pin.

With one hand, press the button S47 and then press the button L or R with the other hand (two-hand control).

You can then release the button S47, and continue to operate the locking pin with the buttons L or R (holding function). *

R 313 Litronic / 8720401

Standard equipment; with other options of the "Rotate grapple" function (optional equipment), the operation can be carried out by means of the left or right joystick.

MJFCIFSS

3 - 69

Control, operation

Operating instructions

Installation and removal of attachment parts

3.5.6.5

Attaching working tool Placing the working tool in its correct position

Fig. 3-68

Placing the working tool in its correct position

The working tool must be placed on the ground in a stable position.

Bring the stick and the working tool in position.

Fully retract the bucket tilt cylinder.

Releasing the quick-change adapter Press the switch S19 down.

The auxiliary hydraulic unit is activated.

The indicator light in the switch is on.

Press and hold the button S47.

The hydraulic quick-change adapter is activated.

The indicator light in the switch is on.

Press and hold the button R until the locking pin is fully retracted.

The buzzer sounds.

The indicator light H26 is on.

The quick-change adapter is released.

Taking up the working tool

Fig. 3-69

Taking up the working tool

Position the quick-change adapter in such a way that the working tool can be taken up with the mounting hooks.

Lift the working tool from the ground and fully extend the bucket tilt cylinder until the bearing plate of the working tool touches the stop of the quick-change adapter.

The boreholes of the working tool must be aligned to the locking pins of the quick-change adapter.

3 - 70

MJFCIFSS

R 313 Litronic / 8720401

Operating instructions

Control, operation Installation and removal of attachment parts

Locking the quick-change adapter Press the switch S19 down.

The auxiliary hydraulic unit is activated.

The indicator light in the switch is on.

Press and hold the button S47.

The quick-change adapter is activated.

The indicator light in the switch is on.

Press and hold the button L until the locking pin is fully extended.

The buzzer is off.

The indicator light H26 is off.

The quick-change adapter is locked.

When properly mounted, the working tool is secured with the pins.

Release the button S47.

The hydraulic quick-change adapter is deactivated.

The indicator light in the switch is off.

Press the switch S19 up.

The auxiliary hydraulic unit is deactivated.

The indicator light in the switch is off.

Caution The hydraulic lines are under pressure.

Before connecting the hydraulic lines, depressurise them using the joystick (switch off diesel engine, turn ignition key to contact position, operate the joystick).

Connect the hydraulic or electrical lines as required (e.g. for the operation of a grapple).

The safe mounting of the working tool must be checked with a proper visual inspection.

Complete a dummy run with the working tool.

During the dummy run, lift the working tool only as far as this is necessary to tilt the device in different directions, in order to check the bolt in the bolt eye and other similar locking equipment for proper seating.

Danger The electronic monitoring system of the quick-change adapter indicates a fault. This can be triggered if a locking pin has inadvertently become dislodged, or if there is mechanical or hydraulic damage. Alarm signals might also be caused by defects in the electrical system (e.g. at the proximity switch or buzzer).

If the buzzer and light are on when you are not carrying out an intended locking or release procedure, immediately shut down the machine operation.

If the buzzer and light are not on when you are carrying out an intended locking or release procedure, immediately stop the procedure.

Operation may only resume after the defective part has been repaired or replaced.

Complete a dummy run.

Before commissioning working tools such as grapples or ditch cleaning buckets, read and observe the special installation instructions in chapter "Mounting and dismantling of working tools".

R 313 Litronic / 8720401

MJFCIFSS

3 - 71

Control, operation

Operating instructions

Installation and removal of attachment parts

3.5.6.6

Dismantling working tool Placing the working tool in its correct position Caution The hydraulic lines are under pressure.

Before disconnecting the hydraulic lines, depressurise them using the joystick (switch off diesel engine, turn ignition key to contact position, operate the joystick).

Disconnect all hydraulic or electrical lines to the working tool (e.g. for dismantling of grapple).

Fully extract the bucket tilt cylinder.

Releasing the quick-change adapter Danger Risk of injury!

After the working tool is released, it is fully disconnected from the machine. There is a risk that the working tool becomes inadvertently dislodged.

Place the working tool as little above the ground as is necessary before starting the release procedure, in order to avoid dangerous movements.

Press the switch S19 down.

The auxiliary hydraulic unit is activated.

The indicator light in the switch is on.

Press and hold the button S47.

The quick-change adapter is activated.

The indicator light in the switch is on.

Press and hold the button R until the locking pin is fully retracted The buzzer sounds.

The indicator light H26 is on.

The quick-change adapter is released.

Placing the working tool on the ground

Fig. 3-70

Placing the working tool on the ground

Slowly retract the bucket tilt cylinder and lower the working tool to the ground.

The new working tool can now be taken up.

3 - 72

MJFCIFSS

R 313 Litronic / 8720401

Operating instructions

Control, operation Installation and removal of attachment parts

3.5.6.7

Use of quick-change adapter for load lifting operation

Fig. 3-71

Hydraulic quick-change adapter

The quick-change adapter is equipped with two integrated load lift hooks. The machine may only be used for load lifting, if the necessary safety devices are in place and working properly (see chapters "Load lifting operation" and "Overload warning system").

The maximum lifting capacity of the individual load lift hooks is indicated at the quickchange adapter. The lifting capacity of the quick-change adapter or the integrated load lift hook might be greater or smaller than that of the basic machine.

During operation, ensure that the actual load does not exceed the limit load specified in the load table and the technical data of the basic machine/quick-change adapter.

Load-lifting work can be carried out with or without an attached working tool. If a working tool is mounted and the machine is used to lift loads, we recommend fully retracting the locking pins. This prevents that the lifting tackle is deflected by the locking pins, as this could cause damage.

Danger Never use the mounting hooks 6 to attach loads, as it is not possible to properly secure lifting tackle such as cables or chains to them.

Before using the device to lift loads, deactivate the quick-change adapter.

Press the switches S19 and S47 up.

The indicator lights in the switches are off.

3.5.6.8

Acknowledging buzzer signal (warning signal).

The indicator light H26 and the buzzer (warning signal) indicate that the quickchange adapter has been released or is not properly locked.

After the working tool has been removed from the adapter, the buzzer (warning signal) sounds as long as the locking pins are retracted.

If the overload warning system is activated, the warning signal for the quick-change adapter can be acknowledged.

If no other working tool is to be mounted, it is useful to switch off the warning signal.

This is also recommended to ensure that another buzzer sound (i.e. from the overload warning system) is actually audible.

Press the switch S360.

The buzzer is switched off.

The indicator light H26 is on.

The acoustic warning signal is automatically reactivated when the locking pin is again extended.

R 313 Litronic / 8720401

MJFCIFSS

3 - 73

Control, operation

Operating instructions

Installation and removal of attachment parts

To reactivate the warning signal for the quick-change adapter, fully extend the locking pins until the indicator light H26 is off.

3.5.7

LIKUFIX Hydraulic coupling system (option) LIKUFIX enables automatic coupling of hydraulic lines in connection with the hydraulic quick change adapter. The machine operator does not need to connect or disconnect hydraulic lines for working tools himself.

3.5.7.1

Overview

Fig. 3-72 1 2 3

3.5.7.2

LIKUFIX

Protective cover on quick change adapter Protective cover on working tool

4 5

LIKUFIX hydraulic coupling on working tool Alternative hydraulic connection on working tool

LIKUFIX hydraulic coupling on quick change adapter

Installation and removal of working tools Installation and removal is carried out as described in the chapter "Hydraulic quick change adapter".

3 - 74

MJFCIFSS

R 313 Litronic / 8720401

Operating instructions

Control, operation Installation and removal of attachment parts

Fig. 3-73

Connecting LIKUFIX

In addition, note the following: Before installation, remove the protective covers on the quick change adapter 1 and the working tool 2.

Always keep hydraulic couplings 3 and 4 clean.

Perform a visual check for cleanliness before installation. If necessary, clean all coupling parts and the sealing surfaces with a clean, oil-soaked cloth.

When changing a work tool, connect or disconnect the hydraulic coupling slowly.

When attaching the quick change adapter, tilt it until the coupling plates are connected due to the curb weight of the working tool.

Extend the locking pins.

If the plates do not connect as a result of curb weight, foreign objects (such as stones) may be the cause. In this case, clean all coupling parts to prevent damage when connecting.

The oil flow and pressure must be matched to the corresponding work tool.

When the work is completed, and particularly before transport, reattach the protective covers 1 and 2.

3.5.7.3

Installing LIKUFIX work tools to a quick change adapter without LIKUFIX It is possible at any time to attach a working tool with a LIKUFIX hydraulic coupling to a machine with a quick change adapter (mechanical or hydraulic).

Fig. 3-74

R 313 Litronic / 8720401

LIKUFIX work tool on quick change adapter without LIKUFIX

MJFCIFSS

3 - 75

Control, operation

Operating instructions

General working methods

Caution!

The LIKUFIX hydraulic coupling could be damaged.

Do not use a quick change adapter with a reinforcement kit, since the reinforced steel part 6 could damage the LIKUFIX hydraulic coupling on the work tool.

In this case, the quick-change adapter must be modified by LIEBHERR Service.

For installation without LIKUFIX hydraulic coupling, LIEBHERR work tools usually have an alternative connection option.

Example: On the ditch cleaning bucket, the hydraulic lines are either connected using LIKUFIX 4 or using an auxiliary hydraulic connection 5.

3.6 General working methods 3.6.1

Guidelines for minimum impact working methods To increase the service life of the machine and avoid unnecessary damage and resulting repairs, please observe the following points: by stopping the attachment against the walls of the ditch. against the material to be removed, even lengthwise. Repeatedly hitting the work equipment against rocks or other hard material will lead to damage to the steel parts and machine components. nd work tool, the work tool can hit or penetrate the cab. This could damage the cab and injure the machine operator. rocky material. This will extend the work cycles and could result in damage to the bucket as well as other machine components.

RR dealer if special teeth for heavy or special applications are required. ill into material is not permitted. this should occur, slowly lower the machine to the ground. Do not permit the machine to drop to the ground quickly and do not catch the downward movement with the hydraulics, since this could result in damage to the machine.

3.6.2

Preparatory activities Danger!

Risk of fatal injury and damage to the machine when working.

Observe the safety information "Notes for safe working" at the beginning of these operating instructions.

3 - 76

MJFCIFSS

R 313 Litronic / 8720401

Operating instructions

Control, operation General working methods

Fig. 3-75 Position the machine so that the load or the digging material can be picked up over the rigid axle or the idler.

For mobile excavators, lower the support when possible and lock the oscillating axle.

Danger!

Insufficient support and machine damage.

Do not use a dozer blade to support the machine.

Fig. 3-76

Safe working

Danger!

Risk of fatal injury due to slewing of the machine.

Ensure that there is no-one within the danger zone r of the machine.

Caution!

Risk of injury when working.

Always wear safety boots and a safety helmet and safety glasses, particularly when leaving the cab during demolition work.

Always wear the seat belt.

Use the horn to give a short warning signal before starting work.

R 313 Litronic / 8720401

MJFCIFSS

3 - 77

Control, operation

Operating instructions

General working methods

3.6.3

Working with the backhoe bucket Danger!

Risk of fatal injury and damage to the machine when moving the backhoe bucket.

Make sure that the backhoe bucket is not moved too close to the cab.

The backhoe bucket can damage the cab and injure the machine operator.

Make sure that there is no-one in the danger zone of the backhoe bucket.

When working with the backhoe bucket, do not apply parking brake S16.

The travel gear could be damaged.

The machine must be in working position.

Fig. 3-77

Aligning, taking up the digging material, lifting

Aligning the stick and backhoe bucket (1) Align the stick in such a way that its underside is at an angle of approx. 45° to the ground.

Align the backhoe bucket in such a way that its bottom can penetrate the ground at an angle of approx. 90°.

Taking up digging material (2): To lift out the digging material, slowly and evenly pull the stick in and slowly and evenly rotate the backhoe bucket simultaneously.

As soon as the stick is perpendicular to the ground, raise the boom slowly and evenly, in addition to pulling in the stick and backhoe bucket. Stopping suddenly will result in impact loads and vibrations.

Lifting digging material (3): When the backhoe bucket is full or the stick can no longer be pulled in, raise the boom and backhoe bucket until the filling surface is parallel to the ground.

3 - 78

MJFCIFSS

R 313 Litronic / 8720401

Operating instructions

Control, operation General working methods

3.6.4

Loading the transport vehicle Danger!

Risk of fatal injury due to falling digging material.

Do not load the transport vehicle so high that the digging material falls over the walls of the vehicle.

Make sure that there is no-one within the danger zone or in the transport vehicle when loading.

Fig. 3-78

Emptying digging material

If possible, the machine should be positioned higher than the transport vehicle to avoid having to lift the digging material unnecessarily.

Position the transport vehicle in such a way that it can be loaded from the rear or from the side.

Move the attachment of the machine over the loading surface of the transport vehicle.

Distribute the digging material evenly over the loading area of the transport vehicle by moving the backhoe bucket and stick out, turning the superstructure and possibly also moving the boom.

If the backhoe bucket is not sufficiently emptied or there is still digging material in the backhoe bucket, curl the backhoe bucket in and out several times to loosen the digging material.

3.6.5

Working with the hydraulic hammer Please also refer to the operating instructions provided by the manufacturer of the hydraulic hammer.

R 313 Litronic / 8720401

MJFCIFSS

3 - 79

Control, operation

Operating instructions

General working methods

Danger!

Misuse of the hydraulic hammer can injure people or damage the machine.

The use of an unapproved hydraulic hammer could damage steel parts or other machine components.

Only use hydraulic hammers approved by LIEBHERR. Close all windows in the cab before working.

Use the hydraulic hammer only to break up rocks, concrete and other breakable materials.

Do not try to break up rocks or concrete by moving the lever on the work equipment or by the hydraulic hammer.

Do not use the drop power of the hydraulic hammer to break up rocks or other materials.

Do not move any objects with the hydraulic hammer, and do not lift to the machine with the hydraulic hammer.

Only use the hydraulic hammer in t Do not operate the hydraulic hammer pointing in the direction of the machine, since exploding rocks or concrete could damage the machine and / or injure the driver.

Fig. 3-79

Hydraulic hammer

The machine must be positioned in the working position on level, solid ground.

The stick may not be positioned vertically.

No cylinder may be fully retracted or extended.

Do not operate the hydraulic hammer on the same spot continually or for longer than 15 seconds.

Excessive continuous operation of the hydraulic hammer causes unnecessary overheating of the hydraulic oil.

Change the position of the machine and resume hammer operations.

3 - 80

MJFCIFSS

R 313 Litronic / 8720401

Operating instructions

Control, operation General working methods

Fig. 3-80

Permissible A and not permissible B work areas for machine with a hydraulic hammer

Danger!

The stability of the machine could be affected.

When using a hydraulic hammer, only work with the machine in area A.

3.6.6

Grading Grading work can either be carried out using the digging tool or with a dozer blade (option).

Fig. 3-81

Grading

The machine must be in working position.

The outriggers should be raised.

Danger!

Serious risk of injury when moving the machine.

Make sure that there is no-one within the working range of the machine.

Caution!

The machine could be damaged.

Never move the machine as long as the attachment is touching the ground.

R 313 Litronic / 8720401

MJFCIFSS

3 - 81

Control, operation

Operating instructions

General working methods

To grade with a backhoe bucket, place it flat on the ground (see Fig. 3-81) and move the stick slowly forward and backward. Move the boom evenly up and down while the stick is moving.

If a dozer blade is installed (option), lower the dozer blade to the ground and move slowly forward and backward with the machine.

3.6.7

Working with the grab Danger!

Risk of fatal injury and damage to the machine due to an oscillating grab.

ine could be affected.

Ensure that the grab does not swing too close to the cab.

Hold the stick in such a way that the grab cannot swing towards the machine when travelling or slowing the machine down.

Move the joystick slowly and evenly to prevent the grab from swinging.

Ensure that the grab does not swing toward any persons in the working area.

Do not lift a load if the boom and stick are extended too far and do not swing a heavy load too far to the left or right.

Observe the load chart: This shows the permissible load carrying capacities at the end of the stick, depending on working radius.

3.6.7.1

Clamshell grab (construction equipment) The machine must be in working position.

Fig. 3-82

Align the stick, close the clamshell grab, lift the digging material

Align the stick (1): Open the clamshells fully.

Lower the stick perpendicular to the excavation area.

3 - 82

MJFCIFSS

R 313 Litronic / 8720401

Operating instructions

Control, operation General working methods

Closing the clamshells (2): Danger!

When closing, the shell type bucket can lift the machine. The machine could roll away!

Avoid lifting the machine when closing the grab, by raising the stick sufficiently.

Close the clamshells.

Raise the stick slightly to reduce ground pressures.

Lifting digging material (3): Close the clamshells fully.

Raise the boom.

Move the machine to the unloading area (e.g. transport vehicle).

Fig. 3-83

Emptying digging material

Push the stick out as far as possible to avoid danger due to the oscillating grab.

Open the clamshells, dump the digging material.

3.6.7.2

Multiple tine grab (industrial equipment) The machine must be in working position.

Fig. 3-84

Taking up the load

The maximum lifting capacity is attained when the load is taken up as close to the chassis as possible.

R 313 Litronic / 8720401

MJFCIFSS

3 - 83

Control, operation

Operating instructions

General working methods

Fig. 3-85

Transporting a load

Transport the load close to the chassis, but with a sufficient safety distance to the cab (oscillating grab!) and as close to the ground as possible.

Caution!

Particularly when handling wood, it can be necessary, when working with a grab, to move the machine with raised attachment and suspended load. This will shift the center of gravity of the machine upward in vertical direction. The travel behaviour of the machine will be negatively affected.

Observe chapter 'Safe operation in material handling application'.

3.6.8

Load lifting work Load lifting work is understood to mean lifting, transporting and unloading loads using a lifting device (rope, chain etc.), where personnel are required to assist in securing and releasing the load. This includes, for example, the lifting and lowering of pipes, shaft rings or containers.

Danger!

The machine may only be operated for load lifting work if the specified safety devices are present and functioning correctly.

Machines used for load lifting work must be equipped with the following safety devices, in accordance with European standard EN 474-5: Load lifting devices to safely secure / lift a load (option) Safe lifting devices include, for example, load hooks which are mounted instead of the digging tool. Load hooks can also be replaced with safety hooks welded to the digging tool.

Overload warning device (option) The overload warning device must alert the machine operator visually or acoustically if the permitted load value according to the load chart has been reached or exceeded.

Pipe fracture safety valve on the hoist cylinders (option) The pipe fracture safety valve must meet with the requirements of ISO 8643.

Load chart inside the cab.

3 - 84

MJFCIFSS

R 313 Litronic / 8720401

Operating instructions

Control, operation Transport

If the points referred to above are not or are only partially fulfilled, then the machine must not be used for load lifting work.

3.7 Transport 3.7.1

Transporting the machine safely lifting devices with sufficient capacity and chock the chains and/or wheels.

of 30° and be provided with a wood covering to prevent sliding. chains / wheels must be free of snow, ice and sludge prior to driving onto the ramp. iving (crawler excavator) to the driving pedals.

tight over the loading surface and drive it carefully onto the ramp and further into the transporting vehicle. (only for A-equipment), after loading the machine onto the low loader. he remaining equipment parts with chains and chocks against shifting according to national regulations for loading and transporting. ignition key and pull the safety lever up prior to leaving the machine.

specifically in reference to limits for width, height and weight prior to the transport. electrical lines and bridges and when passing through tunnels.

3.7.2 3.7.2.1

Transporting the machine on a flatbed trailer Preparatory activities Before driving onto the flatbed trailer, proceed as follows:

R 313 Litronic / 8720401

MJFCIFSS

3 - 85

Control, operation

Operating instructions

Transport

Fig. 3-86

Loading ramp

The ramp incline must be fl incline angle W < = 30°.

ated climbing ability. Ramp

Have wedges ready.

Carefully place and secure wooden planks on metal ramp surfaces.

Clean the chains to remove ice, snow or mud before driving up the ramp.

3.7.2.2

Loading the machine onto the flatbed trailer To drive the machine onto the flatbed trailer:

Fig. 3-87 1

Driving up on the flatbed trailer

Sprocket

2

Idler

The machine must be driven up on to the flatbed trailer with the sprocket 1 in front.

To do this, turn the uppercarriage by 180°.

Danger!

If the uppercarriage is rotated by 180° to the undercarriage, the travel and steering directions are reversed.

Drive and steer with increased caution.

For sensitive travel, insert the manual lever in the tool kit in the pedals for the travel gears.

Align the machine precisely to the loading ramp.

Drive the machine onto the flatbed trailer.

Note

Note Have another person guide and sign you.

Carefully turn the uppercarriage by 180° (travel direction over idler) and lower the attachment (see Fig. 3-88).

Press switch S16 down.

The parking brake is applied.

The indicator light in the switch lights up.

3 - 86

MJFCIFSS

R 313 Litronic / 8720401

Operating instructions

Control, operation Transport

Fig. 3-88

Transport position - machine

Shut down the engine.

Turn the ignition key to the contact position and relieve pressure lines by moving the joystick carefully several times.

Remove the ignition key and raise the safety lever.

Close and lock all doors, covers and panels on the machine.

To secure the machine: The machine must be secured against slipping before starting to travel.

Fig. 3-89

Securing the machine

Danger!

Serious accidents can occur if the machine slips on the loading ramp.

Secure the machine against slipping.

To do this, use wedges and a tension cable or tension chains.

Secure the machine at the points provided for the purpose using tension cables or tension chains (see Fig. 3-89). The loading points are identified on sign 45 on the undercarriage.

Secure tension cables and chains on the flatbed trailer, depending on the type.

3.7.2.3 Danger

Transport route Danger!

Driving beneath obstacles which are too low can cause serious accidents.

Drive under obstacles, particularly electrical lines, with increased caution.

Check out the travel route before starting the trip.

R 313 Litronic / 8720401

MJFCIFSS

3 - 87

Control, operation

Operating instructions

Transport

3.7.3

Loading the machine with a crane If the machine is to be loaded using a crane (e.g. onto ships or rail freight cars), the type of suspension should be selected according to the attachment.

Danger!

The load could slip or fall if incorrectly loaded.

Only permit experienced personnel to secure loads and signal the crane operator.

The guide must position himself within view of the operator or be in voice contact with him.

Ensure that the length of the suspension gear is sufficient.

Loading a machine with a gooseneck boom:

Fig. 3-90

Suspending the machine with gooseneck boom

Only use cargo handling gear which is sufficiently dimensioned or which has been specially developed by LIEBHERR for this purpose.

Lower the equipment, retract the stick and curl the digging tool in completely.

Press switch S16 down.

The parking brake is applied.

The indicator light in the switch lights up.

Shut down the engine.

Turn the ignition key to the contact position and relieve pressure lines by moving the joystick carefully several times.

Remove the ignition key and raise the safety lever.

Close and lock all doors, covers and panels on the machine.

Attach the cargo handling gear to the points designed for this purpose.

Danger!

Standing under the raised machine is not permitted!

Raise the machine carefully with the crane and load.

When putting the machine back into service, proceed as outlined in the operating and maintenance instructions.

3 - 88

MJFCIFSS

R 313 Litronic / 8720401

Operating instructions

Control, operation Transport

Loading a machine with adjustable attachment:

Fig. 3-91

Suspending a machine with adjustable attachment

Only use cargo handling gear which is sufficiently dimensioned or which has been specially developed by LIEBHERR for this purpose.

Extend the hydraulic cylinder, retract the adjustable boom cylinder and position the stick about vertically.

Press switch S16 down.

The parking brake is applied.

The indicator light in the switch lights up.

Shut down the engine.

Turn the ignition key to the contact position and relieve pressure lines by moving the joystick carefully several times.

Remove the ignition key and raise the safety lever.

Close and lock all doors, covers and panels on the machine.

Attach the cargo handling gear to the points designed for this purpose.

The machine must be suspended on the crane in as horizontal a position as possible.

Danger!

Standing under the raised machine is not permitted!

Raise the machine carefully with the crane and load.

When putting the machine back into service, proceed as outlined in the operating and maintenance instructions.

R 313 Litronic / 8720401

MJFCIFSS

3 - 89

Control, operation

Operating instructions

Transport

3 - 90

MJFCIFSS

R 313 Litronic / 8720401

4 Malfunctions Warning and error messages: bols (see chapter "Control and operating elements").

Identification and remedy of problems and errors: tenance.

For that reason, in case of a problem, carefully read the corresponding chapter in the operating instructions again.

sible if you contact LIEBHERR Service.

Precise information makes it possible to find and remedy cause of the problem quickly. To do so, precise information about the type and serial number of the machine is required.

Fig. 4-1

LIEBHERR Service

If the cause of the problem cannot be determined or remedied by using the error codes and problem charts, please consult LIEBHERR Service.

Malfunctions

Operating instructions

Problems and remedies

4.1 Problems and remedies 4.1.1

Diesel engine and fuel system

Problem / error Diesel engine does not start

Cause

Remedy

Fuel tank almost or completely empty

Refuel and bleed fuel system

Under pressure in tank

Remove tank cap

Fuel filter dirty

Clean or change filter and bleed fuel system, drain fuel / clean tank

Ambient temperature below 0°C

For control and operation in specific climatic conditions, see operating instructions

Starter motor not pulling through

Check line connections, overhaul starter motor

Batteries have no power

Charge / replace

Fuel tank empty (under pressure in tank)

Refuel and bleed fuel system

Fuel filter dirty

Clean or change filter and bleed fuel system (tank)

Particularly in winter: high viscosity engine oil used

Use engine oil suitable for ambient temperature.

Dry air filter dirty

Clean or change main filter element

Air in fuel system

Bleeding the fuel system

Vent on fuel tank obstructed

Clean

Fuel line kinked

Check line and repair, if necessary

Diesel engine emitting grey or black smoke

Dry air filter dirty

Clean or change filter

Diesel engine continually emitting white smoke (steam)

Water in combustion chamber

Consult LIEBHERR Service

Diesel engine does not reach full RPM

Throttle control is not set to maximum value

Set throttle control to maximum value

Injection system is adjusted incorrectly

Consult LIEBHERR Service

Dry air filter dirty

Clean or replace filter

Insufficient fuel supply

Clean fuel filter, change fuel filter, check lines, drain water from tank

Insufficient coolant

Add coolant, check for leaks

Water pump defective

Repair

Thermostats do not work

Change thermostats

Radiator contaminated

Clean radiator

Oil level too low

Correct oil level

Oil pressure display faulty

Change oil pressure switch

Engine starts, but stops right away again or runs irregularly

Diesel engine gets too hot

Diesel engine has insufficient oil pressure Note Shut down Diesel engine immediately

4-2

MJFCIFSS

R 313 Litronic / 8720401

Operating instructions

Malfunctions Problems and remedies

Problem / error

Cause

Diesel engine uses too much oil

External leak on Diesel engine

Oil in coolant or coolant in oil

Retighten screws, replace seals, if necessary Consult LIEBHERR Service

Unusual noise / sound development on exhaust side

4.1.2

Remedy

Exhaust system leaking

Check exhaust system / repair

Hydraulic system

Problem / error

Cause

Remedy

Unusual noise / sound development at hydraulic pumps Note Shut down Diesel engine immediately

Shut off valve on hydraulic tank closed

Open shut off valve

Hydraulic pumps sucking air

Check oil level in hydraulic tank, check suction lines for leaks

Hydraulic oil temperature too high

Radiator contaminated

Clean radiator

Fan or fan control defective

Remedy error / consult LIEBHERR Service

Hydraulic oil level too low

Oil loss

Repair leaks, replace hoses, add oil via return filter

No travel function

Raise safety lever

Lower safety lever

Swing gear not functioning

No servo control

Lower safety lever

Swing brake activated

Lower safety lever Release swing brake

No working movement

4.1.3

No servo control

Lower safety lever

No servo pressure present

Consult LIEBHERR Service

No pump high pressure present

Consult LIEBHERR Service

Travel gear

Problem / error

Cause

Remedy

Oil flowing out on track rollers, carrier rollers or idler

Seal faulty

Replace seal

Insufficient chain guidance on idle

Idler guide on track roller frame has too much play

Adjust the play of the idler guide

Chain jumps off or over

Chain tension too low / sprocket worn

Adjust chain tension

Correctly tensioned chain quickly looses tension during use

Chain tension cylinder defective

Check chain tension cylinder, replace, if necessary or seal (only by authorized expert personnel)

Track or carrier roller stuck

Travel gear extremely dirty

Clean the travel gear

R 313 Litronic / 8720401

MJFCIFSS

4-3

Malfunctions

Operating instructions

Problems and remedies

4.1.4

Electrical system

Problem / error

Cause

Remedy

Battery charge indicator light does not turn off

V- belt for alternator loose or torn

Tension or replace V-belt

Alternator defective

Replace alternator

Batteries do not charge or charge insufficiently

Batteries defective

Replace batteries

Battery connections dirty / oxidized

Clean battery connections

Cable loose or damaged

Connect or replace cable

Indicator light or display instrument not functioning or functioning incorrectly

Bulb burnt out, display instrument defective

Replace defective part

Some or all functions on instrument panel malfunction

Plug connector separated or damaged, ground lead interrupted, short circuit - fuse defective

Install plug connector correctly or change, repair short circuit, replace fuse or activate circuit breakers

Engine throttle control via knob R75 not functioning

Excavator electronic for throttle control not functioning.

Consult LIEBHERR Service

Switch S20 Sensor controlled low idle automatic is activated.

Joystick or deactivate switch S20 for sensor controlled low idle automatic. Consult LIEBHERR Service

No signal coming from RPM sensor B12.

Consult LIEBHERR Service

Sensor controlled low idle automatic not functioning, RPM does not drop

Permanent sensor signal

Consult LIEBHERR Service

Switch S20 is deactivated

Activate switch S20

Swing gear brake cannot be released with the switch

Switch defective

Replace switch.

4.1.5

Heating and Air conditioning system

Problem / error

Cause

Heater does not supply warm air

Remedy

Shut off valves for coolant line on Diesel engine closed

Open shut off valve

Engine not at operating temperature

Bring engine to operating temperature

Heater fan is not running

No power supply

Check fuse and wiring / repair

Fan motor defective

Change fan motor

Only low air flow in cab

Outside air filter / recirculated air filter dirty

Clean air intake opening, replace outside air filter

Air vent closed

Open air vent

4.1.6 Problem / error Cylinder gives way under load

4-4

Work attachment Cause Piston seal in cylinder defective

MJFCIFSS

Remedy Overhaul cylinder

R 313 Litronic / 8720401

Operating instructions

Malfunctions Fuses and relays

Problem / error

Cause

Remedy

Bearing clearance too high on attachment

Bearing points worn out

Replace bearing parts

Grapple / bucket do not move

Valve block on bucket cylinder incorrectly switched

Change over valve block

Attachment unit cannot be turned, rotated or operated

Auxiliary function has not been released

Release auxiliary function using switch S19

Lines are not connected

Connect lines

4.2 Fuses and relays Danger!

Incorrect or bypassed fuses do not provide the required protection for machine operator or the electrical system.

Only use original fuses.

If required, order replacement fuses from LIEBHERR. Never bypass electrical fuses.

4.2.1

Fuse box E50

Fig. 4-2

Fuse box E50

Fuse box E50 is located behind the left side door, above the batteries.

R 313 Litronic / 8720401

F19

50 A

Preheating

F20

50 A

Main fuse

F22

7.5 A

Sensor engine coolant level

F303

7.5 A

Engine stop

MJFCIFSS

4-5

Malfunctions

Operating instructions

Fuses and relays

F332

4.2.2

25 A

Starter

K16-1

Relay terminal 50

K288 K302

Relay terminal 15 Preheating relay

Panel ignition switch

Fig. 4-3

Fuses panel ignition switch

F304

15 A

Ignition switch back-up fuse

F305

15 A

Interior lighting / cigarette lighter / clock

F306 F314

15 A 3A

Reserve Safety lever

F315 F316

15 A 7.5 A

Excavator control Sensoric sensor control / panel

F318 F319

20 A 15 A

Heater / air conditioner* (terminal 30) Heater / air conditioner* (terminal 15)

F320

15 A

Reserve

F321 F322

15 A 7.5 A

Reserve Voltage transformer

F326

15 A

Fast travel / quick change adapter

F327

15 A

Reserve

F328 F329

15 A 5A

Reserve Servo control

F330

7.5 A

AHS / AS 1 / Mode

F331

15 A

Reserve

F336

20 A

Back-up fuse for lighting

F338 F339

15 A 20 A

Horn Air conditioning condenser*

* Option

4-6

MJFCIFSS

R 313 Litronic / 8720401

Operating instructions

Malfunctions Fuses and relays

4.2.3

Panel, cab

Fig. 4-4

Fuses and relays panel cab

F307

7.5 A

Parking light, left / tail light

F308 F309

7.5 A 7.5 A

Parking light, right / tail light Headlight, left

F310 F311

7.5 A 15 A

Headlight, right Windshield wiper / washer system

F317 F323

7.5 A 15 A

Rotating beacon* Attachment work headlight*

F324

15 A

Work headlight / roof*

F343 K414

7.5 A

Roof windshield wiper* Relay Intermittent control

* Option

4.2.4

Distributor plate All other relays are located in the distributor plate of the right control panel.

Fig. 4-5 K370

R 313 Litronic / 8720401

Relay Distributor plate Fine control / grapple

MJFCIFSS

4-7

Malfunctions

Operating instructions

Fuses and relays

4-8

K375

Activation - installation kit flow

K386

Safety lever

MJFCIFSS

R 313 Litronic / 8720401

5 Maintenance 5.1 Maintaining the machine safely 5.1.1

General Safety instructions ied out by trained expert technicians. ods for repeat checks / inspections as outlined in the Operating manual. Always use appropriate tools to carry out maintenance work. the end of these operating instructions clearly define who must/may perform which operations.

The tasks listed under daily / weekly may be carried out by the machine operator or maintenance personnel after having received appropriate instructions.

The remaining tasks may only be carried out by expert technicians with appropriate training. rements set forth by the manufacturer.

This is always ensured with Original spare parts. intaining the machine. For certain work, safety glasses and protective gloves are required, in addition to a hard hat and safety boots. the machine during maintenance.

work. Make sure he knows the person who is in charge of the work. with the working equipment lowered and the Diesel engine turned off, unless described otherwise in the operating instructions. tenance operations, especially when working under the machine. Pull the ignition key and set the main battery switch to position 0. ain during maintenance and repairs. re-attached and inspected directly upon conclusion of the operations.

5.1.2

Cleaning n the machine, especially connections and fittings to remove oil, fuel or cleaning substances.

Do not use harsh cleaning products and use only lint-free cleaning cloths. eaning products or steam within the first two months after delivery (or after repainting).

cleaning products, ons and the swing ring to avoid infiltration of water and steam into the bearing points.

Maintenance

Operating instructions

Maintaining the machine safely

exposed to water, steam or cleaning products.

This applies especially to electric motors, electric components, switch boxes, plug connections and air filters. the fire warning system and the fire extinguisher do not come in contact with hot cleaning fluids when cleaning the engine compartment.

The fire extinguishing system could be actuated.

lines for leaks, loose connections, chafing and damage.

infiltrated water or cleaning fluid.

5.1.3

Crack inspection depending on application, job site, duration of use and conditions of use. The different load conditions result in the different service life durations for various machines components. This could lead to cracks and loose connections, particularly on load bearing parts. This applies particularly in the case of machines used in material handling or industrial applications or for machines with special equipment, such as demolition excavators. To ensure that operating safety is maintained, the machine must be checked regularly for cracks, loose connections or other visible damage. ep the machine clean and to clean it regularly. schedule, e personnel of the machine operator. tions with the machine supported, on firm and level ground, at changing loads with the attachment in length and crosswise direction. The currently valid accident prevention regulations must be adhered to. ly: er swing ring seating with tower and ball swing ring. th bearing block for boom and boom cylinder, upper swing ring seating, cab bearing, mounting of swing gear and counterweight. nts, e. g. boom, stick, quick change adapter, digging tool and grapple. and pin connections, steps, ladders and mounting elements. sually. To increase the level of inspection, if a crack is suspected or is in areas which are not easily visible, such as the swing ring seating, then the dye penetration procedure should be used to check for cracks. ely. Welding on load bearing parts of earth moving machines, material handling and transport units may only be made by especially trained expert personnel and only in accordance to accepted regulation of welding technology. In case of doubt, contact LIEBHERR Service to discuss suitable measures.

5-2

MJFCIFSS

R 313 Litronic / 8720401

Operating instructions

Maintenance Maintaining the machine safely

5.1.4

Welding rk on the machine only if this is explicitly permitted. Before any welding, torching and grinding tasks, clean the machine and the surrounding area to remove dust and flammable materials.

Ensure sufficient ventilation. There is a danger of fire and / or explosion. out any arc welding work on the machine.

Disconnect the negative pole first, then the positive pole. Proceed in reverse order when reconnecting. welding location.

5.1.5

Operating and service fluids applicable safety regulations for the corresponding product. disposal of operating and service fluids as well as exchange parts.

(Danger of burning and scalding).

5.1.6

Repair able lifting devices with sufficient load carrying capacity. When replacing individual parts and larger components, attach and secure them carefully to the lifting tackle, to avoid any danger. Use only suitable and technically sound lifting devices as well as load tackle with sufficient load carrying capacity.

Do not stand or work under suspended loads. ciently sized lifting devices.

Always wear work gloves when handling wire ropes.

The guide must position himself within view of the operator or be in voice contact with him. forms.

Do not use parts of the machine as climbing devices, if they are not designed for this purpose.

Wear a harness when working in great heights.

Keep handles, steps, railings, platforms, and ladders free of dirt, ice and snow. the machine is properly supported. Never use metal on metal support. is raised with the attachment, without being properly supported from below with hardwood beams. ys that any shifting weight will not endanger the stability of the machine and avoid metal to metal contact. ng systems may only be carried out by especially trained expert personnel. ade, block the chains with wedges and secure the uppercarriage to the undercarriage with the locking pin. onnel may work on the hydraulic system.

R 313 Litronic / 8720401

MJFCIFSS

5-3

Maintenance

Operating instructions

Maintaining the machine safely

can have enough pressure to penetrate the skin.

Diesel engine and relieving the hydraulic system. After the Diesel engine has been turned off, you must move all pilot controls (right handed joystick and pedals) into all directions to reduce the control pressure and the dynamic pressure in the work cycles. Then relieve the pressure in the tank, as described in this operating manual.

5.1.7

Electrical system All defects, such as loose connections, burnt out fuses and bulbs, burnt or damaged wires or cables must be repaired immediately by an electrician or especially trained personnel.

gy supply, turn the machine off immediately. sion of an electrician may work on the electrical equipment of the machine, according to the electro-technical guidelines. emergency off or master switch with voltage release. Rope of the work area off with a red and white safety chain and a warning sign. Use only insulated tools. mponents, shut off the voltage and connect the supply cable to the ground and ground the components, such as the condenser, with a grounding rod. truly free of current, ground them and short circuit them. Insulate adjacent, current carrying parts. out any arc welding work on the machine.

Disconnect the negative pole first, then the positive pole. Proceed in reverse order when reconnecting.

5.1.8

Pressure accumulator

cidents.

erating instructions prior to working on a hydraulic accumulator. chanical work on them.

The pressure accumulator can be damaged due to heat exposure and can rupture due to mechanical treatment. THERE IS A DANGER OF EXPLOSION! is a DANGER OF EXPLOSION! burning.

5-4

MJFCIFSS

R 313 Litronic / 8720401

Operating instructions

Maintenance Maintaining the machine safely

plication before use. the pressure accumulators. Make sure that the marking remains visible.

5.1.9

Hydraulic hoses and lines d regularly, every 2 weeks, in case of suspected intentional damage immediately for leaks and external visible damage!

Any damaged parts must be replaced immediately! Escaping oil can cause injuries and fires. ess. For that reason, their service live is limited. quent causes of failure. standards, regulations and guidelines for hoses and lines at the job site must be observed. ranges of permitted use can shorten the service life ( for example in high temperatures, frequent work cycles, extremely high impulse frequencies, multi shift operation). e following conditions are found during inspection: cracks); shape of the hose or hose line, when under pressure or not under pressure, or in bends (e.g. separation of layers, blisters or bubbles); allation instructions; which reduce the strength of the fitting or the hose / fitting connection; h reduces function and strength;

pressure hoses, always attach the screws of half clamps or full flange on both ends of hose first and then tighten. with a bent fitting, always tighten the end with the bent fitting first when tightening the flanges, then the end with the straight fitting. and tightened thereafter. erly mounted. This prevents vibration and damage during operation. that chafing with other hoses or other structures is prevented. of the outer hose diameter to the other parts is recommended. The distance should not be less than 10 to 15 mm. able parts (such as boom to stick), check before initial use, that there is not chafed area over the entire area of movement.

R 313 Litronic / 8720401

MJFCIFSS

5-5

Maintenance

Operating instructions

Maintaining the machine safely

5.1.10

Rollover-protection features (ROPS) and falling-object protective systems (FOPS) - A LIEBHERR dealer must be consulted prior to making any changes, in order to prevent a weakening of the roll-over protection or falling-object protective system.

- No objects may be attached to the safety devices (such as fire extinguishers, headlights, or such).Welding attachment parts or drilling holes on may weaken the structure.

- Damaging or weakening the structure may be caused by an accident, falling objects, etc.

- Any modification that has not been exclusively approved by LIEBHERR will render the permit of the roll-over protection or falling-object protective system invalid.

5-6

MJFCIFSS

R 313 Litronic / 8720401

Operating instructions

Maintenance Access doors for maintenance

5.2 Access doors for maintenance 5.2.1

Overview of access doors

Fig. 5-1

Access doors at the machine

The machine is equipped with 4 access doors for maintenance. The locks in the door handles must be unlocked before the machine is started.

Caution!

The access door might inadvertently close and cause injury to persons.

When opened, lock the access doors using the provided locking mechanism.

No.

Access door

Access to:

1

2

3 4

Tab. 5-1

R 313 Litronic / 8720401

Access doors

MJFCIFSS

5-7

Maintenance

Operating instructions

Lubricants and operating fluids

5.2.2

Door lock

Fig. 5-2

Door lock

In order to prevent inadvertent movement of the access doors (e.g. by wind), they must be fully opened and locked (arrow) with the locking mechanism.

5.2.3

Bonnet release mechanism

Fig. 5-3

Bonnet release mechanism

To release the bonnet, use the remote control device 1 located behind the lefthand door and push the bonnet up.

Before closing the bonnet, reset the remote control device.

5.3 Lubricants and operating fluids 5.3.1

General information to change lubricants and operating fluids Note!

The quantities given in the lubrication and operating fluid chart as well as on the lubrication chart in the cab are only guide values.

Check the level in the corresponding component after each oil change or refill.

5-8

MJFCIFSS

R 313 Litronic / 8720401

Operating instructions

Maintenance Lubricants and operating fluids

Note!

Adhering to regulations for lubrication, level checks and changing of operating fluids guarantees a high degree of reliability and a long service life for the machine.

It is particularly important to adhere to the oil change intervals and use the specified type of lubricant.

Observe the following when using and checking lubricants and operating fluids:

Note!

Cleanliness is of the utmost importance when changing oil.

Clean all filler plugs, filler covers and drain plugs and their surroundings before opening.

If possible, drain the oil when it is at operating temperature.

Ensure that old oils are collected and disposed of in an environmentally acceptable manner, including removable oil filter cartridges.

Danger!

When checking and changing lubricants and operating fluids, ensure that the following precautions are adhered to: Unless otherwise indicated, carry out all work on the machine on level, solid ground and with the engine shut down.

Whenever you access the engine compartment, always secure the cover and side doors to prevent them from accidentally falling back or closing.

Only refuel the machine when the engine is shut down, do not smoke and avoid open flames.

Turn the battery master switch to position 0 (off) and remove the ignition key.

R 313 Litronic / 8720401

MJFCIFSS

5-9

Maintenance

Operating instructions

Lubricants and operating fluids

5.3.2

Lubrication chart

Fig. 5-4

5 - 10

Lubrication chart

MJFCIFSS

R 313 Litronic / 8720401

Operating instructions

Maintenance Lubricants and operating fluids

Symbol

Activity Gearbox or axle, check oil level Hydraulic tank, check oil level Carry out first oil change Change oil Lubricate machine Lube point Medium filling point Observe operator's manual

Tab. 5-2

5.3.3

Key to lubrication schedule

Lubricant table

Description

Medium

Diesel engine

Engine oil

Hydraulic system

Engine oil

Symbol

Classification

Volume (litre)* 14,0

API - CD / ACEA - E1 (MB 226.0 and 227.0) API - CD, CE, CF / ACEA - E2, E3, E4 (MB 227.5, 228.1, 228.3 and 228.5)

Hydraulic oil

Viscosity

DIN 51524 T2/T3 ISO 11158 HM/HV ASTM D6158 HM/HV

SAE 10W SAE 10W-30 SAE 10W-40 SAE 15W-40 SAE 20W-20 SAE 30W

approx. 250

ISO VG 32 ISO VG 46 ISO VG 68 ISO VG 100

approx. 250

LAV < 10 min (air separation characteristics at 50 °C, DIN 51381) KRL < 15 % (viscosity drop after 20 h at 100 °C, DIN 51350-6, CEC L 45-A-99) Slewing gear mechanism (as stop brake)

Gear oil

API-GL-5 MIL-L 2105 B, C or D

SAE 80W-90 - alternatively SAE 90 LS

5,2

Slewing gear mechanism (as positioning slewing brake)

Gear oil

API-GL-5 MIL-L 2105 B

SAE 90 LS

5,2

R 313 Litronic / 8720401

MJFCIFSS

5 - 11

Maintenance

Operating instructions

Specifications for fuels, lubricants and process chemicals

Description

Medium

Travel gear

Classification

Viscosity

Volume (litre)*

Gear oil

ZF TE-ML 07

SAE 80W-90 SAE 90

3.0 each

Tracks and gearing of the slewing ring, bearing of the equipment

Grease

High-pressure grease KP2k or EP2

Consistency 2 NLGI grade

-

Hinges, joints, locks

Engine oil

-

-

-

-

Sealing rubber on doors and covering sections

Silicone spray or talcum powder

-

-

-

-

Tab. 5-3

Symbol

Lubricant table

* = approximate values

5.3.4

Fuels, lubricants and process chemicals

Description

Medium

Fuel tank

Conventional diesel fuel with <= 0.5 % sulphur content

229

Coolant

Corrosion inhibitor and antifreeze agent

25,0

Windscreen washer system

Conventional windscreen cleaning agent or denatured alcohol

-

3,0

Coolant of air-conditioning system

R 134 a

-

1.7 kg

Refrigeration oil in a/c compressor

PAG ZXL 100 PG

-

0,15

Tab. 5-4

Symbol

Volume (litre)*

Fuels, lubricants and process chemicals

* = approximate values

5.4 Specifications for fuels, lubricants and process chemicals 5.4.1

Fuels and lubricant for the diesel engine For details and specifications regarding the diesel fuel, lubricant and coolant for the diesel engine, see Deutz manual.

5.4.2

Hydraulic oil Hydraulic oils must meet the requirements outlined below.

5 - 12

MJFCIFSS

R 313 Litronic / 8720401

Operating instructions

Maintenance Specifications for fuels, lubricants and process chemicals

Non-compliance with these requirements shall void all warranty and liability by LIEBHERR. Maximum water content in hydraulic oil: < 0.1 %

5.4.2.1

Engine oil Engine oils that are to be used as hydraulic oils must conform to the following specifications: Single grade oils (1):

API - CD / ACEA - E1 (MB 226.0 and 227.0)

Multigrade oils (2):

API - CD, CE, CF / ACEA - E2, E3, E4 (MB 227.5, 228.1, 228.3 and 228.5)

Tab. 5-5

Engine oils for use as hydraulic fluids

Fig. 5-5

Engine oils for use as hydraulic oils (SAE classes)*

A Ambient temperature B Cold-start range with warm-up instruction

1 2

Single grade engine oils Multigrade oils

C Operating range * temperature-based selection of the SAE class

5.4.2.2

Hydraulic oil Hydraulic oils that are to be used as hydraulic fluids must conform to the following specifications: Single grade oils (1) / multigrade oils (2):

DIN 51524 T2 (HLP), T3 (HVLP) ISO 11158 HM/HV ASTM D6158 HM/HV LAV < 10 min (air separation characteristics at 50 °C, DIN 51381) KRL < 15 % (viscosity drop after 20 h at 100 °C, DIN 51350-6, CEC L 45-A-99)

Tab. 5-6

R 313 Litronic / 8720401

Hydraulic oils for use as hydraulic fluids

MJFCIFSS

5 - 13

Maintenance

Operating instructions

Specifications for fuels, lubricants and process chemicals

Fig. 5-6

Hydraulic oils for use as hydraulic fluids (ISO classes)*

A Ambient temperature B Cold-start range with warm-up instruction

1 2

Single grade engine oil Multigrade oils

C Operating range * temperature-based selection of the ISO class

5.4.2.3

Warm-up instruction The black bar B indicates ambient temperatures are maximum 20 °C below the operating range C. In the event of a cold start at an ambient temperature below range B, the following warm-up instruction applies to the hydraulic oil: 1.:Start diesel engine and run it at approx. 1 / 2 rated speed. Carefully activate the working hydraulics. Operate the hydraulic cylinder and move it to the stop. After approx. 5 minutes, start the travel hydraulics. Warm-up time: approx. 10 minutes After a cold start at even lower ambient temperatures, the following warm-up instruction applies: 2.:Before starting the engine, warm up the hydraulic oil tank. Then proceed according to the warm-up instruction outlined in 1.

5.4.2.4

Biodegradable hydraulic oil Caution!

Risk of damage to the hydraulic unit!

When mixing ester-based biodegradable hydraulic oils with mineral oils, there is a risk of aggressive chemical reactions, which can damage the hydraulic equipment.

Do not mix biodegradable hydraulic oils from different suppliers, and never mix with mineral oils.

The use of bypass filters is mandatory.

Only the following biodegradable hydraulic oils are recommended by LIEBHERR:

5 - 14

MJFCIFSS

R 313 Litronic / 8720401

Operating instructions

Maintenance Specifications for fuels, lubricants and process chemicals

Before using biodegradable oils, you must consult LIEBHERR. Do not use vegetable oils, as they do not possess the necessary thermal stability.

5.4.2.5

Monitoring, filter change and oil change Note!

Ester-based biodegradable hydraulic oils must be checked regularly by means of an oil analysis.

For mineral and PAO oils, an oil analysis is only required if the oil change interval is to be extended. ations: at least every 250 operating hours LIEBHERR recommends contracting WEAR-CHECK with these analyses, and to change the oil when indicated by the test results (see also customer service and product information).

Symbol

Activity Filter change for hydraulic oil

Oil sampling

Tab. 5-7

Key to figures

Hydraulic oil in normal use:

Fig. 5-7

Oil sampling and filter change in normal use

h a

Operating hours Mineral oil

1 2

First oil sample Second oil sample

b

Biodegradable hydraulic oil

3

Subsequent oil samples: every 500 operating hours

Oil change after 2000 operating hours, or when indicated by the lab report of the analysis Interval for the change of the hydraulic oil return filter (20 / 5 µm): first change after 500 operating hours, then every 1000 operating hours.

R 313 Litronic / 8720401

MJFCIFSS

5 - 15

Maintenance

Operating instructions

Specifications for fuels, lubricants and process chemicals

Oil used in dust-intensive applications:

Fig. 5-8

Oil sampling and filter change in machines used for dust-intensive applications

h a

Operating hours Mineral oil

1 2

First oil sample Second oil sample

b

Biodegradable hydraulic oil

3

Subsequent oil samples: every 250 operating hours

Oil change after 1000 operating hours, or when indicated by the lab report of the analysis.

Interval for the change of the hydraulic oil return filter (10 µm): first change after 500 operating hours, then every 500 operating hours.

5.4.2.6

Instructions for the reduction of the contamination of the hydraulic oil in machines used for dust-intensive applications If the machine is normally operated with a hydraulic hammer or under similar conditions (considerable dust generation), the hydraulic oil might become more contaminated than under normal working conditions.

In order to prevent premature wear of the hydraulic components, shorten the intervals between the oil changes (or oil samples respectively) and observe the following instructions:

500 operating hours).

Note!

Machines delivered with hydraulic hammer attachment and retrofitted hydraulic hammer kits are already fitted with 10 µm filter cartridges in the return filter.

5.4.3

Gear oil / axle oil Gear oils must conform to the following specifications: for viscosity grades SAE 90 or SAE 80W-90 or SAE 20W-40 Engine oils used in gearboxes must conform to the following specifications: API-CG-4, CF-4, CF for viscosity grade SAE 20

5 - 16

MJFCIFSS

R 313 Litronic / 8720401

Operating instructions

Maintenance Diesel engine

5.4.4

Grease and other process chemicals Medium

Description / manufacturer

Grease for central lubrication system, general lube points

The grease must conform to specification KP2k, consistency grade 2, NLGI grade according to DIN 51818 and DIN 51825 or EP 2 according to NF-T-60 132.

The grease must consist of a lithium complex with a VKA value of minimum 2300 N according to DIN 51350 or ASTM D 2596 respectively.

Contact spray for slip rings

Cramolin

Lubricant for pistons, piston nuts, also used for the mounting of piston rod bearings at hydraulic cylinders

Gleitmo 800

Special corrosion inhibitor for mounting recesses for sealing elements at hydraulic cylinders

Castrol-Tarp

Tab. 5-8

Grease and other process chemicals

5.5 Diesel engine 5.5.1

Check oil level Danger!

Risk of injury from burning.

When the machine is at operating temperature, the engine oil is very hot.

Avoid skin contact with hot oil or parts containing oil.

Ensure that the machine is standing on level and firm ground.

Switch off the engine.

Wait until the oil has collected in the oil pan.

Fig. 5-9

Checking the oil level

Check oil level in the engine.

The oil level must be between the min and max mark on the dip stick.

R 313 Litronic / 8720401

MJFCIFSS

5 - 17

Maintenance

Operating instructions

Cooling system

If necessary, add engine oil through the filler neck until the level reaches the max mark.

5.5.2

Changing the oil For instructions, see Deutz manual.

Note!

The oil change must be carried out when the engine is warm.

5.6 Cooling system 5.6.1

Checking and cleaning the cooling system

Fig. 5-10

Cleaning cooling fins

The machine is equipped with a combined oil, water and intake air cooling system.

A clean cooling system is a prerequisite for optimum cooling.

It is also necessary to regularly check the engine, fan and radiator for damage and to clean these parts.

Check the cooling circuit.

Clean the cooling fins with compressed air or steam jet (from the inside out, see arrow).

Check the state and tightness of the coolant hoses, and the connecting hoses between the coolant radiator and the engine.

If there is leakage at the pressure relief valve 1 (lid of expansion vessel), replace it.

5 - 18

MJFCIFSS

R 313 Litronic / 8720401

Operating instructions

Maintenance Cooling system

5.6.2

Checking the coolant level Danger!

Risk of burns from hot coolant.

When the temperature is near the operating temperature, the engine cooling system is hot and pressurised.

Do not touch any parts containing coolant. Avoid contact with the coolant.

Check the coolant level only after the engine has cooled down.

Fig. 5-11

Expansion tank

Turn the lid by 180 degrees (see arrow).

In this position, release any excess pressure, if necessary. When the tank is depressurised, carefully turn the lid further to remove it.

The coolant level must be above the MIN mark. When the system is cold, the level may not be below the MIN mark.

If necessary, add coolant.

Close the lid.

After coolant has been added, switch on the engine and let it run for a short time, while the heating is on. Then check the coolant level again.

5.6.3

Corrosion inhibitor and antifreeze agent The system must be filled with an antifreeze agent at all times.

When delivered, the cooling water contains antifreeze agent protecting the circuit to a minimum temperature of -37 °C (corresponds to a antifreeze concentration of approx. 50 %) The mixing ratio of the antifreeze agent must be regularly checked in the course of routine maintenance.

Note!

Do not exceed a corrosion inhibitor and antifreeze agent concentration of 60 %!

Higher concentrations tend to result in poor cooling and antifreeze protection.

R 313 Litronic / 8720401

MJFCIFSS

5 - 19

Maintenance

Operating instructions

Cooling system

5.6.4

Changing water filter

Fig. 5-12

Water filter

The water filter must be replaced every 500 operating hours.

Close the stop valves (see arrow) at the filter housing.

Remove the filter element.

Apply a little oil to the seal ring of the new filter element.

Screw in the new filter element until the seal ring touches the filter head.

Note!

The filter element is easily damaged.

Do not use any tools when tightening the filter element.

Tighten the filter element by hand completing 1/2 - 3/4 revolution.

Open the stop valves.

5.6.5

Changing coolant Danger!

Risk of burns from hot coolant.

The coolant must be changed when the engine is cold.

When changing the coolant, observe the following instructions: the stop valves remain closed.

contact position.

5 - 20

MJFCIFSS

R 313 Litronic / 8720401

Operating instructions

Maintenance Cooling system

5.6.5.1

Draining coolant

Fig. 5-13

Drain valve

Slowly open the radiator lid of the expansion vessel.

Remove the cover plate at the base of the engine.

Place a suitable container under the engine.

Remove the cap of the drain valve 1 at the bottom of the radiator (arrow) and connect the hose from the tool box.

Fig. 5-14

Water taps on the diesel engine

Open the water taps (see arrows).

5.6.5.2

Filling in coolant Disconnect the hose from the bottom of the radiator and close the valve.

Open the water taps (see arrows).

Add coolant to the expansion vessel, until it reaches the filler neck.

Switch on the heating and let it run at maximum level. Run up the diesel engine.

Check the coolant level and add coolant, if necessary.

R 313 Litronic / 8720401

MJFCIFSS

5 - 21

Maintenance

Operating instructions

Fuel system

5.7 Fuel system Danger!

Danger of explosion!

Avoid open flames when working on the fuel system and when refuelling.

Do not smoke.

5.7.1 5.7.1.1

Refuelling Fuel tank cap

Fig. 5-15

Fuel tank cap

Unscrew tank cap 1 Add fuel via the strainer.

5.7.1.2

Electric refuelling pump (option)

Fig. 5-16

Electric refuelling pump

The electric refuelling pump is used to It is located behind the side door on the fuel tank.

5 - 22

MJFCIFSS

R 313 Litronic / 8720401

Operating instructions

Maintenance Fuel system

For refuelling and storing hoses, proceed as follows: Connect the suction hose 1 and 2.

Insert the free end 3 of the suction hose into the fuel supply tank.

Open the shut off valve 4.

Use switch S25 (green) on the control unit 5 to turn the refuelling pump on and pump fuel into th The pump turns off automatically as soon as the maximum fill level is reached.

The refuelling pump can be turned off at any time using switch S59 (red).

Caution!

Do not let the pump run dry.

Ensure that the fuel level does not drop below the suction level of the suction hose.

Close the shut off valve 4.

Make sure that there is no fuel in the suction hose 1 (2) before storing the hose.

Roll up the suction hose and place it in the storage compartment.

Close the cover again.

5.7.2

Draining the water from the fuel tank The condensation in the fuel tank and fuel system should be drained daily. If conditions of use and fuel quality permit, the maintenance interval can be increased to once a week.

Note To reduce condensation in the tank, keep the fuel level as high as possible.

Fig. 5-17 1

Fuel tank

Tank cap

2

Strainer

3

Drain plug

The bottom of the tank is equipped with a drain plug 3.

Open the drain plug 3 on the underside of the fuel tank by two turns.

R 313 Litronic / 8720401

MJFCIFSS

5 - 23

Maintenance

Operating instructions

Fuel system

Drain off water until fuel emerges, close the plug again.

5.7.3

Emptying and cleaning the fuel tank To empty, remove the tank cap 1 and the drain plug 3 and allow the fuel to flow into a suitable container.

Clean the tank.

Check the tank and strainer2 regularly for contamination.

5.7.4

Fuel preliminary filter (type 2) Drain the water:

Fig. 5-18

Fuel preliminary filter

Screw in shutoff valve 1 slightly until the water flows off via the hose.

Drain the water visible in the glass container into a suitable container.

Close shutoff valve 1.

Replace filter cartridge: Unscrew electrical cable 2.

Screw in shutoff valve 1 slightly until fuel flows off.

Drain the fuel into a suitable container.

Unscrew inspection glass 4, unscrew filter cartridge 5.

Oil the seals on the filter head and inspection glass lightly (see arrows).

Screw on new filter cartridge 5 and inspection glass 4.

Close shutoff valve 1.

Screw on electrical cable 2.

Operate hand pump 3 until inspection glass 4 is filled with fuel.

Note The filter cartridge can be damaged by tightening too tightly.

Do not use tools to tighten the filter.

5 - 24

MJFCIFSS

R 313 Litronic / 8720401

Operating instructions

Maintenance Dry air filter

5.7.5

Replacement of fuel filter cartridge (fine filter)

Fig. 5-19

Fuel inlet filter

Screw out the fuel filter cartridge 1.

Apply a little oil to the rubber sealing ring of the new filter cartridge.

Note The filter cartridge can easily be damaged by excessive tightening!

Do not use any tools when tightening the filter element.

Insert new filter cartridge and tighten by hand.

It is not necessary to bleed the fuel system after replacement of the fine filter.

5.8 Dry air filter The engine can only be protected against abrasion by dust and thus excessive wear, if the air filter is regularly cleaned or replaced.

The dry air filter is designed in such a way that it provides excellent protection with relatively long maintenance intervals.

For safety reasons, we strongly recommend not washing out the filter inserts.

Fig. 5-20

R 313 Litronic / 8720401

Underpressure indicator

MJFCIFSS

5 - 25

Maintenance

Operating instructions

Dry air filter

When the maximum permissible intake underpressure is reached, the underpressure indicator at the clean air connection (arrow) and the indicator light H13 (air filter contaminated) is on.

Fig. 5-21

Discharge slot of the dust removal valve

Clean the discharge slot weekly by pushing it open by hand.

This prevents that dust and condensation from the air humidity block the dust removal valve.

5.8.1

Replacing filter elements Note!

Frequent removal and remounting of the filter elements might result in damage to the seals between the filter element and the filter housing.

Do not replace the dry air filter elements more frequently than specified in the maintenance schedule.

Fig. 5-22

Change of filter cartridges

1 2

Filter housing lid Main element

4 5

Dust removal valve Seal

3

Safety element

6

Filter housing

Replace the main element 2 at least once a year, and also if the maximum permissible intake underpressure is exceeded.

Replace the safety element 3, at least once a year, and after three replacements of the main element.

5 - 26

MJFCIFSS

R 313 Litronic / 8720401

Operating instructions

Maintenance Dry air filter

Replacing the main element: Shut down the engine and remove the lid 1.

Remove the dirty main element 2.

Clean the inside of the air filter housing and the sealing surface in the vessel with a moist cloth.

Caution!

Ensure that no dirt particles enter the engine intake system!

Do not clean the filter housing by blowing it out with compressed air.

Carefully clean the seal 5, the sealing surfaces and the inside of the filter housing.

Inspect sealing surfaces for damage.

Insert the new main element, and ensure that it is positioned tightly and firmly in its seat.

Close the lid 1 of the filter housing 6.

Changing the safety element: Note!

If a visual inspection reveals that the safety element is heavily contaminated, replace it without delay.

Remove the main element 2.

Remove the safety element 3.

Carefully clean the inside of the air filter housing with a moist cloth.

Clean the sealing surfaces in the housing and examine for damage.

Carefully insert the new safety element 3.

Insert the new main element 2 and ensure that it is positioned tightly and firmly in its seat.

Close the lid 1 of the filter housing 6.

5.8.2

Checking the clean air line

Fig. 5-23

Clean air line

Check the clean air line 1 between the filter outlet and the motor intake pipe for damage and leakage every time a filter element is replaced.

R 313 Litronic / 8720401

MJFCIFSS

5 - 27

Maintenance

Operating instructions

Hydraulic system

Fig. 5-24

Please note that certain clamps may not be retightened.

Note!

Clamps with spring packs (3, see arrow) can compensate changes in diameter.

Retightening might interfere with their function.

Do not retighten clamps with spring packs.

If necessary, retighten clamps 2.

5.9 Hydraulic system Maintenance work on the hydraulic system is restricted mainly to the hydraulic tank.

All other system components do not require special maintenance.

The pipe and hose network should be checked at regular intervals for leaks.

Note!

Strict cleanliness is of particular importance for the hydraulic system.

For this reason, the intervals given

5.9.1

Checking the oil level in the hydraulic tank The oil level is checked via the sight gauges on the rear of the hydraulic tank.

5 - 28

MJFCIFSS

R 313 Litronic / 8720401

Operating instructions

Maintenance Hydraulic system

Fig. 5-25

Sight gauges on the hydraulic tank

The lower eye - MIN - shows the minimum oil level if all cylinders are fully extended.

When checking the minimum oil level, the following prerequisites must be met: The hydraulic excavator must be standing on level ground.

The attachment must be fully raised and the adjustable boom cylinder, hydraulic cylinder, stick cylinder and bucket cylinder fully extended (stick and bucket curled in).

The blade and / or outrigger support must be fully extended or lowered.

The oil level may not fall below - MIN - level.

The upper eye - MAX - shows the maximum oil level if all cylinders are fully retracted.

When checking the maximum oil level, the following prerequisites must be met: The hydraulic excavator must be standing on level ground.

The attachment is placed on level ground, the stick and bucket cylinders are fully retracted.

The blade and / or outrigger support must be fully retracted or lowered.

The oil level may not exceed - MAX - level.

Check the oil level and add more oil, if necessary.

5.9.2

Relieving the pressure in the hydraulic system Danger!

A fine stream of oil can penetrate the skin when under high pressure and cause serious injury.

Before working on the hydraulic system, always relieve the pressure.

Do not check for leaks with bare hands.

Note the following points: The machine must be in the position described above.

Shut down the engine.

Move the pilot control devices (joystick and pedals) in all directions (with the ignition key in contact position).

R 313 Litronic / 8720401

MJFCIFSS

5 - 29

Maintenance

Operating instructions

Hydraulic system

Danger!

The hydraulic oil is hot when at operating temperature and could be pressurized.

Do not allow your skin to come into contact with hot oil or components containing hot oil.

Fig. 5-26

Relieving the pressure in the hydraulic system

Back out the breather filter 1 by a maximum of one turn.

The pressure in the hydraulic system is relieved.

The breather filter 1 can be turned manually if the safety pin 2 is inserted. An open end spanner can be used if the filter does not open easily.

5.9.3

Emptying and refilling the hydraulic tank

Fig. 5-27 1

Draining and refilling the hydraulic oil

Breather filter

2

Return filter

3

Drain valves

If possible, always fill and empty the hydraulic system using a filler unit.

To drain the oil: The pressure in the hydraulic system must be relieved.

Back out the breather filter 1 by a maximum of one turn.

The pressure in the hydraulic system is relieved.

5 - 30

MJFCIFSS

R 313 Litronic / 8720401

Operating instructions

Maintenance Hydraulic system

Remove the cover of the return filter 2.

Install the drain hose to the drain valves 3 in the tank bottom and let the oil flow out into a suitable container.

To refill the hydraulic oil: Back out the breather filter 1 by a maximum of one turn.

The pressure in the hydraulic system is relieved.

Remove the cover of the return filter 2.

Refill the oil through the filter cartridge until the level reaches precisely the center mark on the sight gauge.

Tighten the breather filter 1.

Install the cover of return filter 2.

Caution!

After each hydraulic oil change, bleed the hydraulic pumps.

To drain the condensation: Drain the condensate regularly.

Place a suitable container underneath the tank.

Keep the drain hose on the drain valves 3 (see Fig. 5-27) until oil contains no more water.

Interval: see Maintenance schedule

5.9.4

Return filter The return filter is located on the top of the hydraulic tank.

Fig. 5-28

R 313 Litronic / 8720401

Return filter

1

Cover

5

Magnetic plug

2

Hex head screw

6

Filter element

MJFCIFSS

5 - 31

Maintenance

Operating instructions

Hydraulic system

3

Gasket

7

4

Bypass cage

Protective cylinder

The magnetic rod 5 of the return filter must be cleaned at fixed intervals (see maintenance chart) and the glass fiber filter element 6 replaced.

Note!

When working in dust intensive conditions, please observe the special regulations for filter change.

To clean the magnetic rod or replace the filter element: The pressure in the hydraulic system must be relieved.

Unscrew the four screws on the filter cover and lift out the cover 1 and magnetic rod 5.

Carefully clean the magnetic rod to remove any dirt particles.

Remove the used filter cartridge 5 using the bracket.

Vertically insert the new filter cartridge into the tank, using the bracket and press down lightly. Then place the bracket on the side on the tank ring.

Caution!

Ensure that the filter cartridge is vertically positioned in the tank.

Center the cover unit and bypass cage 4 on the filter element 6 and set it on top.

When doing this, ensure that the gasket 3 is positioned correctly and is in good condition.

Note!

The filling hole of the hydraulic tank is equipped with a protective cylinder 7. This prevents objects from getting into the hydraulic tank. The protective cylinder can be removed from the filling hole, if required.

Note!

Each time you replace the filter element 6, also replace the pressure filter integrated in the servo oil unit.

5.9.5

Servo oil filter The pressure filter 10 is part of the servo oil unit 1 which is located on the rear of the hydraulic tank.

5 - 32

MJFCIFSS

R 313 Litronic / 8720401

Operating instructions

Maintenance Hydraulic system

Fig. 5-29

Servo oil unit

1

Servo oil unit

12

Filter element

2 10

Mounting stud Pressure accumulator

13 14

Filter element seal ring Filter housing

11

Pressure filter

15

Filter housing seal ring

Note!

It is not permitted to clean the filter element.

Change the filter element each time the filter housing is opened.

To replace the filter element: The pressure in the hydraulic system must be relieved.

Unscrew the filter housing 14 from pressure filter 11 and remove filter element 12.

Clean the filter housing.

Oil the thread and sealing surfaces on filter housing 14 and on servo oil unit 1 as well as seal rings 13 and 15 with hydraulic oil.

Push the filter element 12 carefully onto the mounting stud 2.

Screw filter housing 14 on completely and tighten by hand.

Note!

When replacing the filter element 12, also replace the filter element seal ring 13.

5.9.6

Servo circuit The joysticks do not require special maintenance.

Inspect the pipe network as well as connections on all components (pressure accumulator, pressure limiting valve, pressure filter etc.) regularly for leaks.

R 313 Litronic / 8720401

MJFCIFSS

5 - 33

Maintenance

Operating instructions

Hydraulic system

Danger!

The pressure accumulator 10 (see Fig. 5-29) ensures that the servo circuit has enough pressure for a few movements, even after the Diesel engine has been shut down.

Before working on the servo circuit, the control pressure must be relieved as follows: Place the attachment on the ground.

Shut down the engine.

Operate both joysticks (with ignition key in contact position).

5.9.7

Bleeding the hydraulic pump

Fig. 5-30

Hydraulic pump

After working on the pump or after changing oil in the hydraulic system, the hydraulic pump must be bled.

Loosen the fitting of the leak oil hose 1 slightly and allow the air to escape.

When hydraulic oil flows out, retighten the fitting.

Before using the pump for the first time or after repairs or replacement, the pump housing must be filled with hydraulic oil via the same connection.

5 - 34

MJFCIFSS

R 313 Litronic / 8720401

Operating instructions

Maintenance Hydraulic system

5.9.8

Servicing the hydraulic cylinder

5.9.8.1

Checking the piston rod bearing

Fig. 5-31

Piston rod bearing

Note When a leak occurs on the piston rod bearing of a hydraulic cylinder (arrow), then the seal kit must be replaced by a LIEBHERR mechanic.

5.9.8.2

Protecting the piston rods

Fig. 5-32

Machine with piston rods retracted

When the machine is out of service for more than 4 weeks and particularly for transport by sea, the following measures must be taken: Position or transport the machine in such a way that the piston rods are fully retracted.

Cover any exposed piston rods with a thick layer of acid free anti-corrosion grease.

Grease specification: see "Lubricants and operating fluids" For sea transport, check the preservation of the piston rods again after loading.

Cover piston rods with anti-corrosion grease also if a cylinder is used with a low stroke for certain applications, and the piston rod is not regularly covered with hydraulic oil (e.g. cylinder on basic boom when working above ground).

Regularly check the condition of little moved hydraulic cylinders.

R 313 Litronic / 8720401

MJFCIFSS

5 - 35

Maintenance

Operating instructions

Changing the oil on components

5.9.9

Replacing hydraulic hoses

Fig. 5-33

High pressure hose with SAE fitting

Danger!

A defective hydraulic hose can cause accidents and injuries.

Replace defective hydraulic hoses (bubbles, moisture, damaged top edge etc.) immediately.

Install new hydraulic hoses without torsion.

Ensure that the hydraulic hose is not twisted when mounting.

Installed high pressure hoses with SAE connections have a nominal diameter of 16, 20 or 25.

Tighten the mounting screws of SAE fittings with the following tightening torques. :

Screw

Grade

Torque

M10

10.9

68 Nm

M12

10.9

117 Nm

M14

10.9

185 Nm

Tab. 5-9

Tightening torques for SAE fittings

5.10 Changing the oil on components 5.10.1

General notes The machine must be in level position.

Shut down the engine.

Wait for a short time until the oil has collected in the oil pan.

If possible, drain the oil when it is at operating temperature.

5 - 36

MJFCIFSS

R 313 Litronic / 8720401

Operating instructions

Maintenance Changing the oil on components

5.10.2

Swin gear - oil change

Fig. 5-34

Changing the oil on the swing gear

1

Drain valve

3

Oil container

2

Drain hose

4

Cap

To drain the oil: Remove the cap 4.

Unscrew the cover of the drain valve 1 via the opening on the base plate of the swing platform.

Screw the provided drain hose 2 on the drain valve and allow the oil to flow into a suitable container.

Remove the hose 2.

Reinstall the cover of the drain valve 1.

To add the oil: Add the oil via the tank 3 until the level reaches the MAX mark.

Reinstall cover 4.

R 313 Litronic / 8720401

MJFCIFSS

5 - 37

Maintenance

Operating instructions

Track components

5.10.3

Travel gear - changing the oil

Fig. 5-35

Travel gear - adding and draining oil

To drain the oil: Before draining the oil, move the travel gear until one plug is exactly vertical to the center axle of the gear (position A).

Ensure that you have a suitable container available to catch the oil.

Place the container under the travel gear.

Remove plug 1.

Remove plug 2.

The oil drains into the container.

To add the oil: Before adding oil, move the travel gear until one plug is exactly horizontal to the center axle of the gear (position B).

Install plug 1.

Add the oil until the oil level reaches bore 2.

Install plug 2.

5.11 Track components The track components are maintenance free, except for the reconditioning of the tracks or until all track components are completely worn.

The lifetime design of the carrier rollers, track rollers and idlers increases the service life of the tracks and due to the metal seals they are unsusceptible to dirt.

5 - 38

MJFCIFSS

R 313 Litronic / 8720401

Operating instructions

Maintenance Track components

5.11.1

Checking the mounting of the track components

Fig. 5-36

Mounting of track components

Carry out regular visual inspections for loose mounting screws on the track pads and travel drive.

Check the tightening torques.

7 on track pads: 520 Nm 8 on the travel drive: 620 Nm 9 on the idler: 300 Nm 10 of hydraulic motor: 280 Nm

5.11.2

Check chain tension

Fig. 5-37

Check chain tension

Relieve the chains by driving the machine back and forth.

Place a ruler 1 in the area between the idler and the carrier roller Measure distance A between the lower edge of the ruler.

The chain, under the present operating conditions, should sag 20 to 40 mm between the carrier roller and the idler.

Retension the chains, if necessary.

R 313 Litronic / 8720401

MJFCIFSS

5 - 39

Maintenance

Operating instructions

Track components

5.11.3

Retensioning the chain

Fig. 5-38

Chain tensioned insufficiently (A) and properly (B).

Due to normal wear of the track components, it is necessary to check the chain tension regularly and to retension the chain, if necessary.

Fig. 5-39

Retensioning the chain

Remove the cover 3 on the length carrier of the undercarriage.

Install high pressure hose 1 on the manual grease gun.

Through the opening, connect the high pressure hose 1 with the grease fitting 2 of the grease cylinder.

Pump grease into the cylinder until the track chain is properly tensioned.

Check chain tension.

5.11.4

Releasing chain tension Danger!

Danger of injury due to sudden chain sag and squirting grease.

When releasing the chain tension, keep your head away from the track roller frame.

Carefully unscrew the grease fitting 2 (see Fig. 5-39) by a few turns until the grease emerges from the annular groove if the grease fitting.

Tighten the grease fitting 2 as soon as the desired chain tension is reached.

After the adjustment procedure, drive the machine forward and backward and recheck the chain tension.

5 - 40

MJFCIFSS

R 313 Litronic / 8720401

Operating instructions

Maintenance Electrical system

5.11.5

Cleaning the track components Do not operate the machine if larger stones, pieces of wood or metal, wires or cables are wedged in the tracks.

Dried or frozen mud and stones or other foreign object in the track components could result in considerable damage to the machine, if the machine is operated or an attempt is made to break the machine loose under engine power.

In sub zero temperatures, park the machine on wooden planks to prevent the chains from freezing to the ground.

Caution!

To avoid considerable damage to the frozen machine, never use force to break it loose.

A frozen chain can be released by carefully heating the track pads.

Fig. 5-40

Raising the machine

Caution!

The machine could slide away or back.

After supporting the machine, support it from below with wooden planks.

Before parking the machine, clean very dirty track components.

Clean sand and dirt off the gliding surfaces on the tension units and grease.

One side of the tracks can be raised for cleaning by using the attachment to support the machine at one side (see Fig. 5-40).

5.12 Electrical system 5.12.1

Notes for electrical system Danger!

Danger of injury due to spark formation.

Avoid sparks and open flame when charging batteries or working on the batteries.

Always wear safety glasses and protective gloves.

R 313 Litronic / 8720401

MJFCIFSS

5 - 41

Maintenance

Operating instructions

Electrical system

correct function at regular intervals.

Burnt out fuses and bulbs must be replaced immediately after the cause of the defect has been rectified.

Fix any problems, such as loose connections, chaffed wires or incorrectly attached clamps immediately.

Disconnect the batteries when working on the electrical system or when carrying out electric arc welding on the machine.

Danger!

Danger of injury due to spark formation.

Disconnect the negative terminal (-) first and connect it last.

5.12.2

Battery master switch Caution!

Be especially careful with machines with built-in auxiliary heater.

Turn the battery master switch only off when the auxiliary heater's after-run is completed.

Fig. 5-41

Battery master switch

Before starting any work on the electrical system, including welding work on the machine, switch the battery master switch to position 0.

When washing the machine, cover the electrical components (particularly the alternator, generator, wiring, electronic components and transmitters) to prevent moisture penetrating.

When cleaning the engine with a water / steam jet, do not hit electric sensors such as oil pressure switches directly with water or steam.

Otherwise moisture could penetrate and lead to contact corrosion and the failure of the transmitters.

Oil pressure switches are not watertight due to the necessary membrane ventilation.

Note!

Battery can discharge if the machine is out of service for longer periods of time.

Before a longer down time, switch the battery master switch to position 0 (off).

5 - 42

MJFCIFSS

R 313 Litronic / 8720401

Operating instructions

Maintenance Electrical system

5.12.3

Battery care The battery must always be kept clean to ensure proper function.

Especially the pole ends and battery terminals A must be cleaned regularly and then covered with a thick layer of acid free grease (see Fig. 5-42).

Danger!

Bent rubber hoses of central degasification increase the risk of explosion!

The hydrogen created in the batteries may not be allowed to build up in the battery compartment and must be able to escape through the rubber hoses. The hoses of the central degasification must be routed without kinks.

Check the condition of the hoses B regularly, especially after installing a battery (see Fig. 5-42).

The fluid level in the cells should be 10 to 15 mm above the top of the plate. Use only distilled water when refilling.

Fig. 5-42

Battery care

From time to time, use an acid tester C to measure the acid concentration.

When the battery is fully charged, the unit weight is 1.28 kg/l (31.5° Bé).

If the acid tester displays a lower value, then the battery is more or less discharged and must be recharged, if necessary.

5.12.4

Slip ring assembly (option)

Fig. 5-43

R 313 Litronic / 8720401

Slip ring assembly

MJFCIFSS

5 - 43

Maintenance

Operating instructions

Heating / heating-a/c system (optional equipment)

Slip ring assemblies are sensitive to moisture. An oxide layer can form on the conductive surfaces, which restricts the flow of current. Electrical users in the undercarriage will no longer be supplied sufficiently with current, which can lead to malfunctions.

To prevent this, it is recommended that the following work is carried out every 500 operating hours.

Unscrew the lock nuts 1.

Remove the slip ring housing 2.

Clean the oxidation off the slip ring assembly (use a cleaning spray if necessary).

Replace damaged (corroded) wire lugs.

Spray "Cramolin" contact spray on all slip ring elements.

Replace the housing 1.

Fasten the housing 1 evenly with lock nuts 2.

5.13 Heating / heating-a/c system (optional equipment) 5.13.1

Ambient air filter

Fig. 5-44

Ambient air filter

If the ambient air filter is dirty, the air supply to the heating and a/c system is obstructed, which can result in more frequent icing and shutdown of the system.

When working in dusty environments, the cleaning intervals must thus be shortened.

Never operate the machine without filter, even for short periods, as this could likely result in blockage of the heat exchanger.

Cleaning or replacing the recirculated and ambient air filters: Remove the windscreen detergent tank and the deflector 2.

Remove the ambient air filter 1.

5 - 44

MJFCIFSS

R 313 Litronic / 8720401

Operating instructions

Maintenance Heating / heating-a/c system (optional equipment)

Note!

Never clean the filter elements with hot water of steam!

Replace damaged or excessively dirty filter elements.

Clean the ambient air filter 1 with compressed air or wash it with cold or tepid water.

5.13.2

Heating system Every year at the start of the heating period, complete the following maintenance routine.

Check the entire coolant circuit for leakage.

Retighten the connections in the coolant circuit, the hose connections at the heat exchanger, the seals of the stop valves and the hose clamps.

The system may only be operated with a coolant containing a suitable corrosion inhibitor and antifreeze agent.

Fig. 5-45

Combined heating-a/c system

Check the fins of the heat exchanger 1 and the evaporator 2 (a/c system) for damage.

If they are contaminated, clean them with compressed air.

If necessary, realign the fins.

R 313 Litronic / 8720401

MJFCIFSS

5 - 45

Maintenance

Operating instructions

Heating / heating-a/c system (optional equipment)

5.13.3

A/c system (optional equipment)

Fig. 5-46

Condenser

Inspection of the condenser: Dirt on the condenser might lead to excessive pressure in the coolant circuit, so that the air-conditioning system is automatically switched off.

Remove the cover 1.

Inspect the condenser 2 for dirt.

If necessary, blow out the condenser 3 from the front through the lattice 4 of the blower motor, using compressed air. If necessary, dismantle the blower motors to access the condenser.

Ensure that the condenser fins are clean.

Inspection of the a/c compressor:

Fig. 5-47

A/c compressor

Remove the mounting bolts from the a/c compressor (see arrow) and the bracket at the diesel engine.

Check the V-belt of the compressor for wear.

5 - 46

MJFCIFSS

R 313 Litronic / 8720401

Operating instructions

Maintenance Heating / heating-a/c system (optional equipment)

Fig. 5-48

Dryer-collector unit

Inspection of the dryer-collector unit: While the diesel engine is on, switch on the air-conditioning system and inspect the level of refrigerant in the sight glass a of the dryer-collector unit 5.

Note!

If there is insufficient refrigerant in the system, the white floating ball 6 is visible at the bottom of the sight glass.

In the event of insufficient cooling output, have the system refilled by a refrigeration technician.

Determining the moisture content of the refrigerant: Observe the colour of the indicator bead 7 in the sight glass a.

If the bead is blue, the moisture content in the circuit is within the permitted range. A pink bead indicates that the dryer-collector unit is saturated with water.

Immediately replace the dryer-collector unit 5.

Visually inspect the dryer-collector unit.

If a component part of the dryer-collector is damaged or rusty (e.g. near the bracket, at the hose connection), replace the dryer-collector unit.

In the event of rust or damage, have the dryer-collector unit 5 replaced by a technician trained in the field of refrigeration.

For this purpose, drain the cooling circuit, inspect it for leakage and refill it. Inspect the hose lines for chafe marks and replace any damaged hoses. Retighten the hose connections

Fig. 5-49

R 313 Litronic / 8720401

Blower motor of the heating and air-conditioning unit

MJFCIFSS

5 - 47

Maintenance

Operating instructions

Heating / heating-a/c system (optional equipment)

Additional maintenance tasks: The following maintenance tasks must be carried out at least once every 12 months by a technician who is trained in refrigeration technology: Functional test of the blower motor M65 Functional test of the air flaps in the heating and air-conditioning system Inspection of the electrical connections for proper contact Inspection of the electrical lines for chafe marks Inspection of the defrost thermostat B295 (functional test, proper fit, damage) Functional test of the pressure switch B294 at the dryer-collector unit 9, (see Fig. 5-48)

5.13.4

Instructions for prolonged standstills

Fig. 5-50

Water taps on the diesel engine

Operating machine without heating: If the heating remains switched off for prolonged periods of time (e.g. during the summer), close the water taps at the diesel engine (see arrows).

Operating machine without a/c system: If the machine is operated for a prolonged time without a/c system (e.g. during the winter), there is a risk that the seal of the a/c compressor might become damaged.

To prevent this, we recommend switching on the a/c system every two months for about 10 minutes by actuating the switch S318.

5 - 48

MJFCIFSS

R 313 Litronic / 8720401

Operating instructions

Maintenance Lubricating the machine

5.14 Lubricating the machine Note!

When lubricating the machine with a manual grease gun, the required effort is reduced significantly if the grease is pumped in slowly.

5.14.1

Central slewing gear lube point The machine is equipped with a central lube point saving operators considerable time every day.

Lube points at the uppercarriage (slewing ring, slewing gear pinion) are permanently connected to the lubrication system.

Fig. 5-51

Central lubrication nipple

The central lubrication nipple is located behind the right-hand door.

The central lubrication requires approx. 3 cm³ of grease per working hour. For an average 8-hour day, the system thus distributes approx. 24 cm³ of grease in total.

A conventional hand grease gun applies at about 1.5 cm³ of grease per stroke. Lubrication with 24 cm³ of grease would thus require about 16 hand gun strokes.

The required grease should be ideally added to the system every half day, or at least once per shift (i.e. every 8 to 10 hours): per shift, add about 16 hand gun strokes of grease through the central lubrication nipple.

- alternatively twice per shift, add about 8 hand gun strokes of grease through the central lubrication nipple.

If it is not possible to press in grease, this is likely due to one of the following:

Identify and eliminate the cause.

R 313 Litronic / 8720401

MJFCIFSS

5 - 49

Maintenance

Operating instructions

Lubricating the machine

5.14.2

Fully automatic central lubrication system (optional equipment) If desired, the machine can be equipped with a fully automatic central lubrication system.

In such machines, the uppercarriage and the boom cylinder of the attachment do not need to be lubricated manually.

Depending on the actual equipment, the attachment can be connected fully, or partly to the central lubrication system. The connected components do not need to be lubricated manually.

The undercarriage, on the other hand, is not connected to the central lubrication system and must be greased manually.

Fig. 5-52

Central lubricating pump, fully automatic

1

Grease tank

5

Safety valve

2

Adapter (filling of grease tank with filling pump 9) Lubrication nipple, filling of grease tank

6

Filling pump

3 4

7/8 LED green / red

Lubrication nipple for manual interim lubrication

The lubrication process is started automatically after a defined delay and is automatically halted when all bearing points are fully lubricated. No operator intervention is required in this process.

During the lubrication process, the switch S84 and the green LED 7 are on.

In the event of a fault, the switch S84 and the two LEDs 7 and 8 flash. Faults might be caused by: 6).

Identify and eliminate the cause of the fault.

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MJFCIFSS

R 313 Litronic / 8720401

Operating instructions

Maintenance Lubricating the machine

If required, and provided that the lubrication system is ready for operation, the operator can press the button S84 in the right control console to start an additional lubrication process.

If the lubricating pump is defective, the lube points connected to the lubrication system can be greased centrally with a lubricating pump at the lubrication nipple 4 .

Adding grease to the grease tank: Check the grease tank once weekly and add product, if necessary.

Note!

In order to prevent contamination and damage to the product, keep the grease tank closed.

Do not remove the lid of the tank to add product.

To add product to the grease tank, use the adapter 2.

Insert the grease cartridge into the supplied filling pump 5, connect it to the adapter 2 and press the cartridge content into the tank.

If the filling pump 5 or the grease cartridge are not available, use a grease gun or a lubricating pump to fill the tank, connecting them to the lubrication nipple 3.

After the grease tank has been refilled, complete an interim lubrication procedure.

Interim lubrication: Automatic: Press the button S84.

The central lubrication system is automatic started and stopped after a preset interval.

- alternatively Manual (with grease gun): Apply grease to the lubrication nipple 4.

Continue the manual interim lubrication until grease escapes at the base of the boom cylinders.

5.14.3

Lubricating the attachment Each lube point on the attachment must be lubricated every 10 to 50 operating hours (depending on use and multi-shift, daily or for each shift).

5.14.4

Lubricating the digging tool / bucket tilt device The lubrication points on the digging tool or change over lever / connector link must be lubricated regularly. The corresponding lube points are marked in red.

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MJFCIFSS

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Maintenance

Operating instructions

Lubricating the machine

Fig. 5-53

Lubrication of digging tool

In normal use, each lube point must be greased weekly until clean grease emerges on the corresponding bearing point.

In severe applications, for example when handling material that causes wear, when working under water or in multiple shifts, the lubrication must be made daily or for each shift.

5.14.5

Lubricating the grapple (option) The grapple must be lubricated regularly. The corresponding lube points are marked in red.

Fig. 5-54

Lubrication of grapple

In normal use, each lube point must be greased daily or per shift until clean grease emerges on the corresponding bearing point.

In severe applications, the lubrication interval should be shorted accordingly.

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MJFCIFSS

R 313 Litronic / 8720401

Operating instructions

Maintenance Quick change systems

5.15 Quick change systems 5.15.1

Lubricate the mechanical quick change adapter (option) The mechanical quick change adapter is not lubricated via the central lubrication system. The bearing points must be greased using the grease gun.

Fig. 5-55

Lubrication of mechanical quick change adapter

Grease the bearing points via the grease fitting with a grease gun.

Note!

If the mechanical quick change adapter is greased when the pin is extended, the hollow area between the locking pins fills with grease and the pins can no longer be retracted.

Make sure that the locking pins are retracted during the lubrication procedure.

5.15.2

Hydraulic quick change adapter (option) Lubricating the quick change adapter: The hydraulic quick change adapter is not greased via the central lubrication system.

The bearing points must be greased using the grease gun.

Fig. 5-56

Lubricating the quick change adapter

Grease the locking pins 1 via the grease fitting with a grease gun.

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MJFCIFSS

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Maintenance

Operating instructions

Quick change systems

Note!

The hydraulic quick change adapter cannot be sufficiently greased if the locking pins are extended.

Make sure that the locking pins are retracted during the lubrication procedure.

Cleaning the strainer:

Fig. 5-57

Cleaning the strainer

The filter disc 12 in the fittings between the connecting hoses and the hydraulic cylinder must be checked for blockages and cleaned, if necessary, every 2000 operating hours.

Remove the cover 20 and the screws 21 from the quick change adapter.

Remove the fittings and hydraulic hoses from the hydraulic cylinder 10.

Screw out the outer mounting assembly 13 using a suitable tool (e g. a tack).

Remove the filter disc 12, check it and clean or replace it, if necessary.

Place the filter disc 12 on the inner mounting assembly 11 and mount the outer mounting assembly 13.

Connect the fittings and hydraulic hoses to hydraulic cylinder 10.

Attach the cover 20 with the screws 21 on the quick change adapter.

5.15.3

LIKUFIX (option)

5.15.3.1

Cleaning LIKUFIX The LIKUFIX hydraulic coupling system is mostly maintenance-free.

We recommend to clean the system at regular intervals and spray it with lubricant (see Service manual). This will prevent dirt adhering and icing up.

If the system is kept properly clean, the seals are very durable.

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MJFCIFSS

R 313 Litronic / 8720401

Operating instructions

Maintenance Travel and swing brakes

5.15.3.2

Replacing the seal ring

Fig. 5-58

Replacing the seal

If leaks occur at the coupler plugs (A, see arrows), replace the seal rings.

Use a screwdriver to push down the seal plate on the coupler plug and lift out the defective seal ring with a pointed object (B).

Press the new seal ring together and place it on the seal plate with open side down (C).

Press down the washer as far as the groove, place the screwdriver in the middle of the seal ring and move your hand away (D).

Allow the seal ring to snap into the groove (E).

Remove the screwdriver (F).

The seal plate must move upwards. If necessary, press the seal ring down again until the seal plate is moveable.

5.16 Travel and swing brakes Both the travel as well as the swing brakes are spring applied, pressure released multi-disk brakes. They are vented hydraulically and are fully sealed and integrated in the travel or swing gear.

Their use purely as a parking brake makes them wear free and therefore maintenance free.

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MJFCIFSS

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Maintenance

Operating instructions

General Maintenance points

5.17 General Maintenance points 5.17.1

Replacing wear parts In addition to the normal maintenance and service work, which have to be carried out in the given intervals, the following repairs can also be made by the machine operator or maintenance personnel:

tions of hydraulic components (but not on pressure relief valves which are sealed with a lead seal at the factory). tem can be replaced.

It should be noted that only original LIEBHERR spare parts are to be used.

This is particularly true for hoses and hydraulic lines, which must be preassembled at the factory. For all other repairs, particularly when removing the counterweight, factory or dealer mechanics must be consulted.

5.17.2

Replacing the teeth on the digging tool Determine the degree of wear of the teeth visually.

With heavily worn teeth, considerably greater force will be required for the digging tool to penetrate the digging material. The teeth must be replaced in time to prevent damage to the tooth adapter.

Do not work with the machine if teeth on the digging tool are missing or are heavily worn.

To attach and remove teeth with wedge retainers:

Fig. 5-59

Replacing the teeth

Use a hammer and driver 1 to knock out the wedge 2 (A ).

Remove the old tooth.

Place a new rubber wedge retainer 3 on the tooth retainer (B).

Push the new tooth on the adapter.

Use the hammer to knock in the wedge 2 (C).

5 - 56

MJFCIFSS

R 313 Litronic / 8720401

Operating instructions

Maintenance Inspection and maintenance schedule

To attach and remove teeth with tension pin retainer:

Use a hammer and driver 1 to knock out the tension pin 2 (A).

Remove the old tooth.

Push the new tooth onto the adapter (B).

Knock in the tension pin 2 with the hammer (C).

5.17.3

Welding work on the machine Welding work on all main components serving for power transmission (such as the undercarriage frame, swing platform, attachment parts etc.) may only be carried out by the manufacturer or by an authorized workshop.

Disconnect the battery before starting any electric arc welding work on the machine.

Always disconnect the negative terminal (-) first and reconnect it last.

Turn the battery master switch off!

Caution!

If high currents flow through the bearings or sealing elements, they could be burnt.

Move the grounding cable of the welding tool as close as possible to the welding area, so that the welding current cannot flow over parts, such as the swing ring, joints, bearings, bushings, rubber elements or seals.

5.18 Inspection and maintenance schedule Caution!

Careful maintenance is only possible, if the machine is clean. Especially visual inspections, e.g. for cracks can only be carried out properly on a clean machine.

Therefore clean the machine thoroughly before starting any maintenance work (see also chapter "Safe maintenance of machine", subchapters "Cleaning" and "Crack inspection").

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MJFCIFSS

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Maintenance

Operating instructions

Inspection and maintenance schedule

Note!

The daily maintenance tasks of the machine operator include a functional test of the brakes (slewing gear brake, chassis brake) and the electrical and hydraulic system.

Also to be carried out is a daily visual inspection of the motor, hydraulic system and gearbox for leakage

Maintenance/inspection at operating hours

WORK TO BE CARRIED OUT R 313 Litronic by maintenance personnel (machine operator)

by authorised specialist technician

Initial and single interval Repeat interval Annually, at the start of the cold season when required

Initial and single interval Repeat interval when required

DIESEL ENGINE Check motor oil level and oil pressure Check coolant level and temperature Check air filter (maintenance indicator) Check and drain water separator at the fuel filter Drain water at fuel tank with bottom settlings 4)

Clean dust removal valve of the air filter Check and clean cooler, pressure relief valve, coolant hose and fan Check ribbed V-belts Change lubricating oil filter cartridge

1)

Change diesel engine oil (at least once a year) Check oil, coolant and fuel systems for leakage Change water filter cartridge (at least once a year) Check and adjust speed adjustment Check motor brackets and oil pan, hose clips etc.

Check corrosion inhibitor and antifreeze agent in coolant (change coolant every 2 years) Check / adjust valve play, replace valve lid seal Check fuel leak-oil line Check intake and exhaust systems for general condition and leaks Check pencil-type glow plugs; replace, if necessary

4)

5 - 58

Change fuel fine filter cartridge

MJFCIFSS

R 313 Litronic / 8720401

Operating instructions

Maintenance Inspection and maintenance schedule

Maintenance/inspection at operating hours

WORK TO BE CARRIED OUT R 313 Litronic by maintenance personnel (machine operator) Initial and single interval Repeat interval Annually, at the start of the cold season when required

4)

by authorised specialist technician Initial and single interval Repeat interval when required

Change fuel pre-filter cartridge Change main element of the dry air filter (according to maintenance indication / annually) Change safety element of the dry air filter (at every third main element change / annually) - do not clean or reuse!

Check clean air line (during maintenance of filters)

3000

Check / adjust injection valves (also in the event of loss of performance)

HYDRAULIC SYSTEM Check oil level in hydraulic tank Clean magnetic rod in return filter (daily during first 300 operating hours) 2)

Replace filter insert in return filter Replace filter cartridge in control oil unit Check components for proper mounting

4)

Clean hydraulic oil cooler Drain water from hydraulic tank (max. permissible water content for environmentally friendly fluids: 0.1 %; insert bypass filter, take oil sample) Check hydraulic system for leakage; complete functional test Check / readjust servo, primary and secondary pressures

2), 3) 2)

Change hydraulic oil in tank (optimise interval by carrying out oil analyses) Change breather filter on hydraulic tank ELECTRICAL SYSTEM Check indicator lights and indicating devices upon start-up Check lighting Check acid density and level, wire terminals and terminal ports of the batteries Spray slip rights of the slewing gear connection with Cramolin contact spray Carry out functional tests of entire unit and all components

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MJFCIFSS

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Maintenance

Operating instructions

Inspection and maintenance schedule

Maintenance/inspection at operating hours

WORK TO BE CARRIED OUT R 313 Litronic by maintenance personnel (machine operator) Initial and single interval Repeat interval Annually, at the start of the cold season when required

by authorised specialist technician Initial and single interval Repeat interval when required

SLEWING GEAR MECHANISM Check oil level; check system for leakage Carry out functional test of slewing gear brake Check gearbox and oil motor for proper mounting Change gear oil SLEWING RING Check mounting bolts for press fit; slewing gear pining meshing TRAVEL GEAR Check oil level; check system for leakage Carry out functional test of travel brake Check gearbox and oil motor for proper mounting Change gear oil CHASSIS Visually check tension of chain; regulate, if necessary Clean chain (after work) Check base plates and tumbler wheels for proper mounting Clean and lubricate slide faces of tensioning mechanism Check idlers, support and running rollers for tightness OPERATOR'S CAB + HEATING Check / add detergent solution in windscreen washer tank Check function of heating Check heating system for leakage Check door and window hinges as well as locks Check water inlet valve for contamination, and clean, if necessary; carry out functional test of valve

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MJFCIFSS

R 313 Litronic / 8720401

Operating instructions

Maintenance Inspection and maintenance schedule

Maintenance/inspection at operating hours

WORK TO BE CARRIED OUT R 313 Litronic by maintenance personnel (machine operator) Initial and single interval Repeat interval Annually, at the start of the cold season when required

by authorised specialist technician Initial and single interval Repeat interval when required

AIR-CONDITIONING SYSTEM Regularly switch on air-conditioning system (at least 1x every 14 days) Check condenser for contamination; blow clean, if necessary Check compressor mounting bolts and drive belts Check dryer-collector unit (humidity, fill level, condition); replace, if necessary; replace at least every two years Clean fresh air filter (at least once every month; in dusty environments, clean every week) Replace fresh air filter (in dusty environments, reduce interval) Check air condition: proper mounting, hose connections and electric contacts (at least once a year) UNDERCARRIAGE + UPPERCARRIAGE + WORKING ATTACHMENTS Lubricate the bearing points by means of the central lubrication system or the automatic system (optional equipment) Lubricate the bearing points of the undercarriage and the attachments (daily when required due to type of use and/or shift operation) Inspect teeth for wear 250

Check parts for cracks

250

Check counter weight and tank for proper mounting Check lines and screwed connections for proper fit Check panelling hinges, quick fasteners and gas pressure springs of the caps Instruct operators in the proper use of the equipment Instruct the operator on how the machine must be lubricated according to the lubricating chart and make him aware of potential operator errors HYDRAULIC QUICK CHANGE ADAPTER Carry out a functional test of the visual and acoustic warning systems Carry out a visual inspection of the extended locking bolts Check hydraulic hoses and wire harness Lubricate locking bolts

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MJFCIFSS

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Maintenance

Operating instructions

Inspection and maintenance schedule

Maintenance/inspection at operating hours

WORK TO BE CARRIED OUT R 313 Litronic by maintenance personnel (machine operator) Initial and single interval Repeat interval Annually, at the start of the cold season when required

by authorised specialist technician Initial and single interval Repeat interval when required

Clean mesh filter MECHANICAL QUICK CHANGE ADAPTER Carry out a visual inspection of the extended locking bolts Lubricate locking bolts Tab. 5-10 Inspection and maintenance schedule 1 2 3 4

5 - 62

The intervals for the change of the motor oil might have to be shortened, depending on the actual temperature, fuel and oil quality.

In the case of applications with excessive dust generation, observe shortened maintenance intervals.

For environmentally friendly hydraulic fluids, adjust the maintenance interval on the basis of regular analyses.

The maintenance intervals might have to be shortened, depending on the operating conditions (e.g. generation of dust, barrel fuelling).

MJFCIFSS

R 313 Litronic / 8720401