Komatsu WP142-5 Backhoe Loader Shop Manual CEBM018903

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Komatsu WP142-5 Backhoe Loader Shop Manual CEBM018903 - Image 5

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Komatsu WP142-5 Backhoe Loader Shop Manual CEBM018903

$40.00

Type Of Manual: Shop Manual
Manual ID: CEBM018903
Format: PDF
Size: 71.0MB
Number of Pages: 506

Category: Komatsu Shop Manual PDF

Model List:
- WP142-5 Backhoe Loader

0.1. GENERAL
0.2. HOW TO READ THE SHOP MANUAL
0.2.1. VOLUMES
0.2.2. DISTRIBUTION AND UPDATING
0.2.3. FILING METHOD
0.2.4. REVISED EDITION MARK
0.2.5. REVISIONS
0.2.6. SYMBOLS
0.3. HOISTING INSTRUCTIONS
0.3.1. HOISTING
0.3.2. WIRE ROPES
0.4. EXPLANATION OF TERMS FOR MAINTENANCE STANDARD
0.5. COATING MATERIALS
0.6. STANDARD TIGHTENING TORQUE
0.6.1. STANDARD TIGHTENING TORQUE OF BOLTS AND NUTS
0.6.2. TIGHTENING TORQUE OF HOSE NUTS
0.6.3. TIGHTENING TORQUE OF SPLIT FLANGE BOLTS
0.6.4. TIGHTENING TORQUE FOR FLARED NUTS
0.7. CONNECTING PUSHPULL TYPE COUPLER.
0.8. CONVERSION TABLES
0.8.1. METHOD OF USING THE CONVERSION TABLE
1. GENERAL
1.1. SPECIFICATION DRAWING
1.1.1. SPECIFICATIONS
1.1.2. BACKHOE ARM
1.2. MACHINE SYSTEMS SPECIFICATIONS
1.2.1. BACKHOE ARM
1.2.2. ENGINE
1.2.3. ELECTRICAL SYSTEM
1.2.4. SERVICE REFILL CAPACITIES
1.2.5. TRANSMISSION
1.2.6. TOTAL MASS
1.2.7. STANDARD BUCKET CAPACITY
1.2.8. LOADER
1.2.9. TIRE PRESSURE
1.3. WEIGHT TABLE
1.4. FUEL, COOLANT, AND LUBRICANTS
1.4.1. PROPER SELECTION ACCORDING TO THE AMBIENT TEMPERATURE
1.4.2. GREASE
1.4.3. FUEL AND ENGINE OIL REMARKS
1.5. HOMOLOGATED (HEES) SYNTHETIC LUBRICANTS
1.6. LUBRICATION DIAGRAMS
1.6.1. GENERAL VIEW
2. STRUCTURE, FUNCTION AND MAINTENANCE STANDARD
2.1. POWER TRAIN
2.1.1. SYSTEM OVERVIEW
2.1.2. WHEEL DRIVE SYSTEM
2.1.3. TRANSMISSION COMPONENTS
2.1.4. CONVERTER AND TRANSMISSION CIRCUIT DIAGRAM
2.2. TRANSMISSION
2.2.1. CASE
2.2.2. TRANSMISSION INTERNAL VIEW
2.2.3. GEAR SHIFTER AND FILTERING SYSTEM
2.2.4. CLUTCH PACKS AND DRIVEN GEAR SET
2.2.5. WHEEL DRIVE SHAFT
2.2.6. CONTROL VALVE BLOCK
2.2.7. TRANSMISSION CASE SPECIFICATIONS
2.2.8. INTERNAL SPECIFICATIONS
2.2.9. GEAR SHIFTER AND COMPONENTS SPECIFICATIONS
2.3. FRONT AXLE ASSEMBLY
2.3.1. DIFFERENTIAL
2.3.2. FINAL DRIVE END
2.3.3. STEERING CYLINDER
2.3.4. AXLE CARRIER SPECIFICATIONS
2.3.5. AXLE END SPECIFICATIONS
2.3.6. STEERING UNIT CYLINDER SPECIFICATIONS
2.4. REAR AXLE ASSEMBLY
2.4.1. DIFFERENTIAL
2.4.2. AXLE END
2.4.3. AXLE CARRIER SPECIFICATIONS
2.4.4. AXLE END SPECIFICATIONS
2.5. REAR BRAKES
2.5.1. BRAKE SPECIFICATIONS
2.6. DIFFERENTIAL LOCK
2.6.1. LOCK SPECIFICATIONS
2.7. HYDRAULIC SYSTEM
2.7.1. HYDRAULIC CIRCUIT DIAGRAM
2.7.2. HYDRAULIC PUMP
2.7.3. LOADER 3 SPOOL VALVE
2.7.4. LOADER SPOOL VIEW
2.7.5. BACKHOE CONTROL VALVE
2.7.6. BACKHOE SPOOL VIEW
2.8. SOLENOID VALVE
2.8.1. (ST1 VALVE LOCK DIFFERENTIAL LOCK BACKHOE BOOM LOCK)
2.9. MASTER CYLINDER (BRAKES)
2.9.1. SPECIFICATIONS
2.10. LOADER CYLINDERS
2.10.1. ARM CYLINDERS
2.10.2. BUCKET CYLINDER
2.10.3. ARM CYLINDER TOLERANCE
2.10.4. BUCKET CYLINDER TOLERANCE
2.11. BACKHOE CYLINDERS
2.11.1. BOOM cylinder
2.11.2. ARM cylinder
2.11.3. BUCKET SPECIFICATIONS
2.11.4. OUTRIGGER SPECIFICATIONS
2.11.5. BOOM SWING SPECIFICATIONS
2.11.6. BOOM CYLINDER TOLERANCE
2.11.7. ARM CYLINDER TOLERANCE
2.11.8. BUCKET CYLINDER TOLERANCE
2.11.9. BOOM SWING CYLINDER TOLERANCE
2.11.10. OUTRIGGERS TOLERANCE
2.12. PIN AND BUSHING CLEARANCES
2.12.1. LOADER WORK EQUIPMENT
2.12.2. BACKHOE WORK EQUIPMENT
3. STANDARD VALUE TABLES
3.1. STANDARD VALUE TABLE FOR ENGINE
3.2. STANDARD VALUE TABLE FOR CHASSIS
4. TESTING AND ADJUSTING
4.1. BLEED AIR FROM CIRCUITS
4.1.1. BLEED AIR FROM BRAKING CIRCUIT
4.1.2. RELEASING RESIDUAL PRESSURE
4.2. ACCELERATOR PEDAL AND THROTTLE LEVER
4.2.1. ACCELERATOR PEDAL TRAVEL
4.2.2. THROTTLE LEVER TRAVEL
4.3. PARKING BRAKE ADJUSTMENT
4.4. HYDRAULIC CIRCUIT
4.4.1. INTRODUCTION
4.4.2. MAIN RELIEF VALVE
4.4.3. CHECKING LOAD SENSING SIGNAL (LS VALVE)
4.4.4. CHECKING COMPENSATED FLOW VALVE
4.4.5. OPERATION OF THE PRIORITY VALVE
4.4.6. TESTING AND SETTING STEERING SYSTEM PRESSURE
4.4.7. CHECKING FOR LEAKS IN THE STEERING CYLINDERS
4.5. POWER TRAIN
4.5.1. CONVERTER OIL PRESSURE
4.5.2. CLUTCH ENGAGEMENT PRESSURE
4.5.3. CLUTCH FUNCTION
4.6. HYDRAULIC DRIFT
5. TROUBLESHOOTING
5.1. POINTS TO REMEMBER WHEN TROUBLESHOOTING
5.2. SEQUENCE OF EVENTS IN TROUBLESHOOTING
5.3. PRECAUTIONS WHEN CARRYING OUT MAINTENANCE
5.3.1. PRECAUTIONS WHEN HANDLING ELECTRICAL EQUIPMENT
5.3.2. HANDLING ELECTRONIC CONTROL UNIT
5.3.3. POINTS TO REMEMBER WHEN TROUBLESHOOTING ELECTRICAL CIRCUITS
5.3.4. HOW TO READ ELECTRIC WIRE CODE
5.3.5. CLASSIFICATION BY COLOR AND CODE
5.3.6. POINTS TO REMEMBER WHEN LHANDLING HUYDRAULIC EQUIPMENT
5.4. CHECKS BEFORE TROUBLESHOOTING
5.5. TROUBLESHOOTING GUIDE
5.5.1. FRONT AXLE
5.5.2. REAR AXLE
5.5.3. TRANSMISSION
6. DISASSEMBLY AND ASSEMBLY
6.1. HOW TO USE THIS MANUAL
6.1.1. REMOVAL AND INSTALLATION OF COMPONENTS
6.1.2. OVERHAUL OF COMPONENTS
6.2. PRECAUTIONS WHEN CARRYING OUT AN OPERATION
6.3. SPECIAL TOOL LIST.
6.4. CONNECTOR REPAIR PROCEDURES
6.4.1. CONTACT TERMINAL REMOVAL (HD30 TYPE)
6.4.2. CRIMPING CONTACT TERMINAL (HD30 TYPE)
6.4.3. INSERTION OF CONTACT TERMINAL (HD30 TYPE)
6.4.4. CONTACT TERMINAL REMOVAL (DT TYPE)
6.4.5. CRIMPING CONTACT TERMINAL (DT TYPE)
6.4.6. INSERTION OF CONTACT TERMINAL (DT TYPE)
6.4.7. STRIPPING INSULATION
6.5. SIDE PANEL AND INSTRUMENT GROUP
6.5.1. LOWER ELECTRICAL GROUP
6.5.2. DASH BEZEL AND COVER
6.6. STEERING AND FRONT DASH ASSEMBLY
6.6.1. STEERING WHEEL
6.6.2. FRONT DASH ASSEMBLY
6.6.3. BLEED AIR FROM BRAKING CIRCUIT
6.7. HYDRAULIC OIL TANK
6.8. TRANSMISSION OVERHAUL PROCEDURES
6.8.1. TORQUE CONVERTER
6.8.2. PLUGS AND FILTERS
6.8.3. WHEEL DRIVE SOLENOID VALVE
6.8.4. TRANSMISSION HOUSING
6.8.5. CLUTCH PACK (A) AND GEAR SHAFT (D)
6.8.6. GEAR SHAFTS (B) AND (C)
6.8.7. GEAR SHAFT (E)
6.8.8. SHIFTER TOWER AND FORKS
6.9. BACKHOE CONTROL VALVE
6.9.1. REMOVAL
6.9.2. INSTALLATION
6.10. FRONT AXLE ASSEMBLY
6.10.1. REMOVAL
6.10.2. INSTALLATION
6.11. FRONT AXLE OVERHAUL PROCEDURES
6.11.1. STEERING CYLINDER ASSEMBLY
6.11.2. FRONT AXLE END PLANETARY ASSEMBLY
6.11.3. AXLE END HUB ASSEMBLY
6.12. REAR AXLE ASSEMBLY
6.12.1. REMOVAL
6.12.2. INSTALLATION
6.13. REAR AXLE OVERHAUL PROCEDURES
6.13.1. PARKING BRAKE ASSEMBLY
6.13.2. SERVICE BRAKE ASSEMBLY
6.13.3. REAR AXLE END PLANETARY ASSEMBLY
6.13.4. DIFFERENTIAL
6.13.5. DIFFERENTIAL LOCK
6.14. FRONT LOADER CONTROL VALVE ASSEMBLY
6.14.1. REMOVAL
6.14.2. INSTALLATION
6.15. SOLENOID VALVE ASSEMBLY
6.15.1. REMOVAL
6.15.2. INSTALLATION
6.16. FRONTEND LOADER ASSEMBLY
6.16.1. LOADER BOOM CYLINDERS
6.16.2. BUCKET CYLINDER AND MONOLINK
6.16.3. LOADER BUCKET
6.16.4. LOADER BOOM ASSEMBLY
6.17. BACKHOE ASSEMBLY
6.17.1. BUCKET CYLINDER
6.17.2. SWING CYLINDERS
6.17.3. BOOM LOCK CYLINDER
6.17.4. BACKHOE SWING FRAME
6.17.5. OUTRIGGER CYLINDERS
6.17.6. OUTRIGGER ARMS
6.18. WORK EQUIPMENT CYLINDER OVERHAUL PROCEDURES
6.18.1. LOADER AND BACKHOE CYLINDERS
6.18.2. SWING CYLINDERS
7. OTHERS
7.1. ELECTRICAL SCHEMATIC
7.1.1. CONNECTOR DESCRIPTION
7.1.2. SIDE INSTRUMENT PANEL
7.1.3. FRONT INSTRUMENT PANEL
7.1.4. FUSES, SWITCHES AND RELAYS
7.1.5. WIRE HARNESS
7.1.6. SWITCHES (1)
7.1.7. SWITCHES (2)
7.1.8. TRANSMISSION HARNESS

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