© 2016 CNH Industrial America LLC. All Rights Reserved. SERVICE MANUAL BoomerTM 20 / BoomerTM 25 Compact Tractor Part number 48017684 English June 2016
SER VICE MANUAL
Boomer™ Boomer™ 48017684 02/06/2016
Product Market Product Engine Boomer™ Europe S3L2 Boomer™ Europe S3L2 48017684 02/06/2016
Link Product / Engine
TEngine
INTRODUCTION
[10.001] Engine and crankcase
[10.304] Engine lubrication system
[10.400] Engine cooling system
Clutch
10] Clutch and components
12] Slip clutch flywheel damper
ransmission
14] Mechanical transmission
Front axle system
[25.100] Powered front axle
[25.102] Front bevel gear set and dif ferential
[25.108] Final drive hub, steering knuckles, and shafts
[25.310] Final drives
Rear axle system
Rear bevel gear set and dif ferential
Final drive steering and shafts
Hydrostatic drive
[29.100] T ransmission and steering hydrostatic control
[29.202] Hydrostatic transmission
[29.204] Reservoir , cooler , and lines
[29.218] Pump and motor components
[31.101] Rear mechanical control
[31.104] Rear electro-hydraulic control
Contents
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. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10.1
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. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29.4 Power T ake-Of f (PT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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10] rear Power T f (PT
[31.120] Central Power T ake-Of f (PT
Brakes and controls
10] Parking brake parking lock
Mechanical service brakes
Hydraulic systems
[35.000] Hydraulic systems .
[35.104] Fixed displacement pump .
14] hitch control valve
16] hitch cylinder
Remote control valves
Reservoir , cooler , and filters
Safety and main relief valves
Hitches, drawbars, and implement couplings
[37.1 10] Rear three-point hitch
Steering
T rods
[41.200] Hydraulic control components
Cylinders
Wheels
[44.51 Front wheels
[44.520] Rear wheels
[55.000]
[55.01
[55.012]
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Electrical systems
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Fuel injection system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55.2
Electrical system
[55.010]
Fuel tank system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55.3
Engine cooling system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55.4 48017684 02/06/2016
Engine oil system
Parking brake electrical system
Rear Power T f (PT control system
Harnesses and connectors
Engine starting system
Cold start aid
Battery 1
External lighting
External lighting switches and relays
W arning and instruments
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Platform, cab, bodywork, and decals
[90.120] Mechanically-adjusted operator seat
48017684 02/06/2016
48017684 02/06/2016 1
INTRODUCTION
Basic instructions - Shop and assembly
General specification - T ractors with Hydrostatic T ransmission (HST)
General specification - T ractor with mechanical transmission
General specification
Dimension
Consumables
Capacities
Product identification
Product identification machine orientation
Contents INTRODUCTION Foreword . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Foreword - Important notice regarding equipment servicing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 International symbols 5 Safety rules 6 Safety rules 7 Safety rules - Ecology and the environment 8 Basic instructions hardware 9 T
hydraulic connections
orque - Standard torque data for
48017684 02/06/2016 2
Foreword
This repair manual provides the technical information needed properly service the NEW HOLLAND models Boomer and Use this manual conjunction with the manual for complete and maintenance information
NEW HOLLAND left and right are determined standing behind the looking the direction
INTRODUCTION
48017684 02/06/2016 3
Foreword - Important notice regarding equipment servicing
All repair and maintenance work listed this manual must carried out only qualified dealership strictly complying with the instructions and whenever the special
Anyone who performs repair and maintenance operations without complying with the procedures provided herein shall responsible for any subsequent
The manufacturer and all the organizations its distribution chain, including - without limitationnational, regional, local reject any responsibility for damages caused parts and / components not approved the facturer , including those used for the servicing repair the product manufactured marketed the manufacturer any case, warranty given attributed the product manufactured marketed the manufacturer case damages caused parts and / components not approved the manufacturer
The manufacturer reserves the right make improvements design and changes specifications any time without notice and without incurring any obligation install them units previously and illustrative material herein are accurate known time publication but are subject change without notice. case refer your NEW HOLLAND Sales and Service
INTRODUCTION
48017684 02/06/2016 4
International symbols
a guide the operation the various universal symbols have been utilized the and fuse The symbols are shown below with indication their
INTRODUCTION
Thermostart starting aid Radio O Position Control Alternator charge Keep alive memory T ransmission neutral Draft Control Fuel level T urn signals Creeper gears Accessory socket Automatic Fuel shut - f T urn signals - one trailer Slow low setting Implement socket Engine speed ( RPM x 100) T urn signals - two trailers Fast high setting %age slip Hours recorded Front windscreen wash / wipe Ground speed Hitch raise (rear) Engine oil pressure Rear windscreen wash / wipe Dif ferential lock Hitch lower (rear) Engine coolant temperature Heater temperature control Rear axle oil temperature Hitch height limit (rear) Coolant level Heater fan T ransmission oil pressure Hitch height limit (front) T ractor lights Air conditioner FWD engaged Hitch disabled Headlamp main beam Air filter blocked FWD disengaged Hydraulic and transmission filters Headlamp dipped beam Parking brake W arning! Remote valve extend W ork lamps Brake fluid level Hazard warning lights Remote valve retract Stop lamps T railer brake V ariable control Remote valve float Horn Roof beacon Pressurised! Open carefully Malfunction! See Manual W arning ! Corrosive substance Malfunction! (alternative symbol) 48017684 02/06/2016 5
Safety rules
INTRODUCTION
BT09A213 1 48017684 02/06/2016 6
Safety rules
Personal safety
This the safety alert used alert you potential personal injury Obey all safety messages that follow this symbol avoid possible death injury
Throughout this manual you will find the signal words W and CAUTION followed special These precautions are intended for the personal safety you and those working with
Read and understand all the safety messages this manual before you operate service the
DANGER indicates a hazardous situation not will result death serious injury
W ARNING indicates a hazardous situation not could result death serious injury
CAUTION indicates a hazardous situation not could result minor moderate injury
T O FOLLOW
Machine safety
NOTICE: Notice indicates a situation that, not avoided, could result machine property damage.
Throughout this manual you will find the signal word Notice followed special instructions prevent machine property damage. The word Notice used address practices not related personal safety .
Information
NOTE: Note indicates additional information that clarifies other information this
Throughout this manual you will find the word Note followed additional information about a step, other information the The word Note not intended address personal safety property
INTRODUCTION
DEA
F AILURE
DANGER, W ARNING, AND CAUTION MESSAGES COULD RESUL T
SERIOUS INJUR Y .
48017684 02/06/2016 7
Safety rules - Ecology and the environment
Soil, air , and water quality important for all industries and life general. When legislation does not yet rule the treatment some the substances that advanced technology sound judgment should govern the use and disposal products a chemical and petrochemical
Familiarize yourself with the relative legislation applicable your country , and make sure that you understand this Where legislation obtain information from suppliers anticleaning agents, etc., with regard the fect these substances man and nature and how safely store, use, and dispose these
Helpful hints
• A void the use cans other inappropriate pressurized fuel delivery systems fill Such delivery systems may cause considerable
• avoid skin contact with all Most these products contain substances that may harmful your
• Modern oils contain not burn contaminated fuels and waste oils ordinary heating
• A void spillage when you drain fluids such used engine coolant engine hydraulic brake etc. not mix drained brake fluids fuels with lubricants. Store all drained fluids safely until you can dispose the fluids a proper way that complies with all local legislation and available
• not allow coolant mixtures get into the soil. Collect and dispose coolant mixtures properly .
• The air - conditioning system contains gases that should not released into the Consult airtioning specialist use a special extractor recharge the system properly
• Repair any leaks defects the engine cooling system hydraulic system immediately
• not increase the pressure a pressurized circuit this may lead a component
• Protect hoses during Penetrating weld splatter may burn a hole weaken allowing the loss
Battery recycling
Batteries and electric accumulators contain several substances that can have a harmful fect the environment the batteries are not properly recycled after Improper disposal batteries can contaminate the groundwater , and NEW HOLLAND strongly recommends that you return all used batteries a NEW HOLLAND dealer , who will dispose the used batteries recycle the used batteries properly some countries, this a legal requirement.
Mandatory battery recycling
NOTE: The following requirements are mandatory
Batteries are made lead plates and a sulfuric acid solution. Because batteries contain heavy metals such lead, CONAMA Resolution 401 / 2008 requires you return all used batteries the battery dealer when you replace any not dispose batteries your household
Points sale are obliged to:
• Accept the return your used batteries
• Store the returned batteries a suitable location
• Send the returned batteries the battery manufacturer for recycling
INTRODUCTION
48017684 02/06/2016 8
Basic instructions hardware
General
Y our tractor has been built using metric
NOTE: sure use the hardware specified when using tapped trying install a metric bolt inch inch bolt a metric will damage the
Certain hardware must tightened specific torque specific torque specifications are not tighten the hardware the standard torque chart specification listed this manual.
Plating
Hardware used NEW HOLLAND balers plated with zinc chromate (gold color). Gold colored hardware has dif ferent torquing requirements from unplated zinc plated (silver color) hardware because the dif ference the coef ficient friction the plating The torque charts this manual list the correct specifications for silver , and unplated
Nut tightening
Whenever the nut should not the head the When tightening using the bolt the clamp load can lost because some the torque applied twists the bolt instead tensioning (stretching) The tension the bolt what holds the joint together .
Approximately 90% the torque applied during assembly goes overcoming friction between the The other 10% used tension (stretch) the bolt. After assembly , the frictional forces disappear , which the basis for the saying 'If does not fail during assembly , will not fail service.' The bolt may later fail due other but not from being over
Locknuts
Most locknuts are coated with a special lubricant that dry the Anytime a locknut a lower than normal torque Refer the torque charts this manual for specific
Jam nuts
When using a jam nut lock a regular the jam nut should installed first and tightened one half the mended then held place while installing a regular nut the recommended
Thread lubrication
The addition antiseize any other lubricant a bolt decreases the friction between and a nut. This makes necessary reduce the recommended torque prevent over tensioning the When using the torque charts this decrease the value 20% whenever a lubricant
INTRODUCTION
48017684 02/06/2016 9
T orque - Standard torque data for hydraulic connections
General information
• Hydraulic connections require a minimum assembly torque order provide zero leakage rated pressure with adequate fatigue Over - torquing a hydraulic connection can also lead leakage For some NEW HOLLAND requires a dif ferent torque value than listed the ISO and SAE
• The torque values this document should used whenever possible
NOTICE: Always follow the instructions this manual for specific torque values when you service The information this section for general guidance only when a procedure contains specific torque
T olerance
• The tolerance for all torque values ± % This tolerance must include all assembly not only the torque wrench repeatability
Lubrication
Application grease other lubricants hydraulic connectors should clean hydraulic oil already the connection, not required remove the oil. Generally , application grease:
• May cause a significant change the torque required properly tighten the
• May reduce the s resistance vibration.
• Excessive grease may displace elastomer seal during
• Grease extrusion when connection tightened may mistaken for NEW HOLLAND products generally use O - Ring Boss (ORB) connectors that have T eflon™ - coated Oing the need for O - ring lubrication during For connections which are made into aluminum manifolds with stainless steel may required apply a lubricant prevent
Use L OCTITE ® and other thread - locking compounds These compounds:
• May cause a significant change the torque required properly tighten the
• Reduce the serviceability the
• May prevent the O - ring from properly sealing the compound gets the O -
INTRODUCTION
48017684 02/06/2016
T orque values for metric O - Ring Boss (ORB) port connections
*
-
* S - Series connectors are used with O - Ring Face Seals
L - Series connectors are used with °
T orque values for metric O - Ring Boss (ORB) port plugs
INTRODUCTION
S
Series
L
Series Metric thread Ferrous N·m (lb ft) ± % Non - Ferrous N·m (lb ft) ± % Ferrous N·m (lb ft) ± % Non - Ferrous N·m (lb ft) ± % x 1 5 M10 x 1 (15.5) 12.5 (9.2) 15.5 1.4) 9.3 (6.9) M12 x 1.5 M14 x M16 x (31) M18 x (54.6) (32.5) (34.7) (20.7) M22 x 105 (28) M27 x 2 178 107 105 M30 x 2 225 (166) 135 136 M33 x 2 325 (239.7) 195 (143.8) 168 (123.9) 101 (74.5) M42 x 2 345 207 220 132 M48 x 2 440 264 273 164 (121) M60 x 2 525 315 330 198 (146)
-
Ferrous Non - ferrous Metric thread Internal hex N·m (lb ft) ± % External hex N·m (lb ft) ± % N·m (lb ft) ± % x 1 M10 x 1
M22 x 105 (77.4) 105 (77.4) (46.5) M27 x 2 178 178 107 M30 x 2 225 (166) 225 (166) 135 M33 x 2 325 325 195 M42 x 2 345 (254.5) 345 (254.5) 207 (152.7) M48 x 2 440 440 264 M60 x 2 525 525 315 48017684 02/06/2016 1 1
M12 x (17) M14 x 1.5 M16 x M18 x
T orque values for port connections (British Standard Pipe Parallel (BSPP) thread ports and stud ends)
- Gas; A - medium coarse threads
* S - Series connectors are used with O - Ring Face Seals
L - Series connectors are used with °
T orque values for metric port connections (Metric face - seal ports and stud ends)
* S - Series connectors are used with O - Ring Face Seals
L - Series connectors are used with ° flare.
INTRODUCTION
Metric tube Outside Diameter (OD) (in) Ferrous Non - Ferrous BSPP
G
S - Series * L - Series S - Series N·m (lb ft) ± % L - Series N·m (lb ft) ± % S - Series N·m (lb ft) ± % L - Series N·m (lb ft) ± % G 1 / 8 A – 6 – –G 1 / 4 A 6 8 8 (46.5) (39.1) (28) (23.6) G 3 / 8 A (0.394) (62) (42) G 1 / 2 A (0.630) 136 (100.3) 105 (77.4) (60.5) (46.5) G
A 210 210 126 126 G 1 A 400 (295) 400 (295) 240 (177) 240 (177) G 1 1 / 4 A 525 525 315 315 G 1 1 / 2 A 660 660 396 396
thread
3 / 4
Metric tube Outside Diameter (OD) (in) Ferrous Non - Ferrous Metric thread S - Series * L - Series S - Series N·m (lb ft) ± % L - Series N·m (lb ft) ± % S - Series N·m (lb ft) ± % L - Series N·m (lb ft) ± % M10 x 1 – 4 – –M12 x 4 6 (14) M14 x 5 7 (28) M16 x 7 (0.276) 9 (0.354) (62) (46.5) (36.9) (28) M18 x 8 1 1 105 (62) M20 x – 147 – –M22 x 158 147 M26 x 1.5 –(0.709) – 210 (154.9) – 126 (92.9) M27 x – 210 126 –M33 x 2 400 (295) 400 (295) 240 (177) 240 (177) M42 x 2 525 525 315 315 M48 x 2 630 630 396 396
48017684 02/06/2016
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