Komatsu WB140PS-2N, WB150PS-2N Backhoe Loader Shop Manual CEBM011100
$40.00
- Type Of Manual: Shop Manual
- Manual ID: CEBM011100
- Format: PDF
- Size: 101.6MB
- Number of Pages: 498
Category: Komatsu Shop Manual PDF
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Model List:
- WB140PS-2N Backhoe Loader
- WB150PS-2N 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. COATING MATERIALS
- 0.5. STANDARD TIGHTENING TORQUE
- 0.5.1. STANDARD TIGHTENING TORQUE OF BOLTS AND NUTS
- 0.5.2. TIGHTENING TORQUE OF HOSE NUTS
- 0.5.3. TIGHTENING TORQUE OF SPLIT FLANGE BOLTS
- 0.5.4. TIGHTENING TORQUE FOR FLARED NUTS
- 0.6. ELECTRIC WIRE CODE
- 0.6.1. CLASSIFICATION BY THICKNESS
- 0.6.2. CLASSIFICATION BY COLOR AND CODE
- 0.7. CONVERSION TABLES
- 0.7.1. METHOD OF USING THE CONVERSION TABLE
- 1. STRUCTURE AND FUNCTION
- 1.1. POWER TRAIN
- 1.2. TRANSMISSION
- 1.2.1. DIAGRAM OF THE POWER TRAIN
- 1.2.2. HYDRAULIC CONVERTERTRANSMISSION CIRCUIT DIAGRAM
- 1.3. TRANSMISSION
- 1.4. DRIVE SHAFTS
- 1.4.1. DRIVE SHAFT FOR FORWARD AND REVERSE MOVEMENT
- 1.4.2. DRIVE SHAFT
- 1.4.3. DRIVEN GEAR SHAFT
- 1.4.4. DRIVEN SHAFT 4WD
- 1.5. CONTROL VALVE BLOCK
- 1.5.1. FRONT AXLE
- 1.5.2. FINALREDUCTIONJOINT
- 1.5.3. STEERING CYLINDER
- 1.6. REAR AXLE
- 1.6.1. DIFFERENTIAL
- 1.6.2. FINAL REDUCTION
- 1.6.3. BRAKES
- 1.6.4. DIFFERENTIAL LOCKING
- 1.6.5. PC VALVE, LS VALVE, SERVO PISTON
- 1.6.6. WORKING MODE SOLENOID VALVE
- 1.7. STEERING UNIT
- 1.7.1. TECHNICAL DATA
- 1.7.2. OPERATION
- 1.8. HYDRAULIC CIRCUIT
- 1.9. SHOVEL CONTROL VALVE
- 1.9.1. SPOOL
- 1.9.2. SPOOL
- 1.10. BACKHOE CONTROL VALVE
- 1.10.1. SPOOL
- 1.10.2. SPOOL
- 1.10.3. SPOOL
- 1.11. CLSS (CLOSED CENTER LOAD SENSING SYSTEM)
- 1.11.1. DESCRIPTION
- 1.11.2. UNLOADING VALVE
- 1.11.3. INTRODUCTION OF THE LS PRESSURE
- 1.11.4. DELIVERY COMPENSATION
- 1.11.5. LIFD CONTROL SYSTEM
- 1.11.6. LS DECOMPRESSION VALVE
- 1.11.7. PRESSURE CUTOFF VALVE
- 1.11.8. PRIORITY VALVE (ONLY FOR THE 23SPOOL CONTROL VALVE)
- 1.12. SOLENOID VALVE
- 1.12.1. SOLENOID VALVE BLOCK ST1 DIFFERENTIAL LOCKING BACKHOE BOOM LOCKING.
- 1.13. SAFETY VALVE
- 1.14. BRAKE PUMP
- 1.15. SHOVEL CYLINDERS
- 1.15.1. RAISING CYLINDER
- 1.15.2. DUMPING CYLINDER
- 1.15.3. DUMP CYLINDER
- 1.15.4. RAISE CYLINDER
- 1.16. BACKHOE CYLINDERS
- 1.17. BACKHOE CYLINDER MAINTENANCE STANDARD
- 1.18. FRONT WORKING EQUIPMENT
- 1.19. SWING BRACKET
- 1.20. BACKHOE WORK EQUIPMENT
- 1.21. AIRCONDITIONING UNIT
- 1.21.1. AIRCONDITIONING UNIT FUNCTION
- 2. TESTING, ADJUSTING AND TROUBLESHOOTING
- 2.1. NORMAL OR STANDARD TECHNICAL DATA
- 2.1.1. FOR ENGINE
- 2.1.2. FOR MACHINE
- 2.2. SPECIAL TOOLS
- 2.3. MEASURING ENGINE SPEED
- 2.4. ADJUSTING VALVE CLEARANCE
- 2.5. MEASURING COMPRESSION PRESSURE
- 2.6. FUEL INJECTION TIMING
- 2.7. FAN BELT
- 2.7.1. TENSION CHECK
- 2.7.2. FAN BELT TENSION
- 2.8. COMPRESSOR BELT
- 2.8.1. CHECKING TENSION
- 2.8.2. FAN BELT TENSION
- 2.9. ACCELERATOR PEDAL AND LEVER
- 2.9.1. OPERATING TRAVEL
- 2.10. BRAKE PEDAL AND ALIGNMENT
- 2.10.1. TRAVEL AND MICRO SWITCHES
- 2.11. AIR BLEEDING
- 2.11.1. RELEASING RESIDUAL PRESSURE
- 2.12. ATTACHMENTS HYDRAULIC CIRCUIT
- 2.12.1. CHECKING AND SETTING PRESSURE
- 2.13. SENSING SIGNAL (LS VALVE)
- 2.14. UNLOADING VALVE
- 2.14.1. ADJUSTING THE UNLOADING VALVE
- 2.14.2. UNLOADING VALVE FUNCTIONALITY
- 2.15. PRIORITY VALVE
- 2.15.1. TESTING PRIORITY VALVE OPERATION
- 2.15.2. CLEANING PRIORITY VALVE
- 2.16. STEERING CONTROL SYSTEM PRESSURE
- 2.16.1. TESTING
- 2.16.2. SETTING
- 2.17. BRAKE SYSTEM
- 2.17.1. TESTING CIRCUIT AND BRAKE TIGHTNESS
- 2.17.2. TESTING BRAKING GROUP LEAK TIGHTNESS
- 2.18. ENGINE SPEED CONTROL
- 2.18.1. UNDER LOAD
- 2.18.2. PREPARING THE MACHINE
- 2.18.3. TESTING WITH THE TORQUE CONVERTER UNDER STRESS
- 2.18.4. TESTING THE TORQUE CONVERTER AND HYDRAULIC SYSTEM UNDER STRESS
- 2.19. POWER TRAIN PRESSURES
- 2.19.1. PREPARING THE MACHINE
- 2.19.2. CONVERTER OIL PRESSURE
- 2.19.3. CLUTCH ENGAGEMENT PRESSURE
- 2.20. POWER TRAIN CLUTCHES FUNCTION
- 2.20.1. PREPARATION OF THE MACHINE
- 2.20.2. TESTING
- 2.20.3. RETURN TO DIG DEVICE SENSOR
- 2.21. ANALYSIS OF HYDRAULIC DRIFT
- 2.21.1. FRONT EQUIPMENT
- 2.21.2. TESTING FRONT BUCKET DUMPING
- 2.21.3. BACKHOE
- 2.22. AIRCONDITIONING UNIT
- 2.22.1. TESTING THE WORKING TEMPERATURE
- 2.22.2. CHECKING THE UNIT
- 2.22.3. EMPTYING THE AIR CONDITIONING UNIT
- 2.23. FRONT AXLE TROUBLESHOOTING
- 2.24. REAR AXLE TROUBLESHOOTING
- 2.25. TRANSMISSION TROUBLESHOOTING
- 2.26. ELECTRONIC CONTROL UNIT INSPECTION
- 2.26.1. FAILURE
- 3. DISASSEMBLY AND ASSEMBLY
- 3.1. METHOD OF USING MANUAL
- 3.2. PRECAUTIONS DURING OPERATION
- 3.3. AIR CONDITIONING COMPRESSOR
- 3.4. INJECTION NOZZLES
- 3.5. COOLING LIQUID PUMP
- 3.6. ACCUMULATOR DISCONNECT SWITCH
- 3.6.1. REMOVAL
- 3.6.2. INSTALLATION
- 3.7. FRONT COUNTERWEIGHT
- 3.7.1. REMOVAL
- 3.7.2. INSTALLATION
- 3.8. RADIATOR OIL COOLER UNIT
- 3.9. HEAT AND AIR CONDITIONING GROUP
- 3.10. HYDRAULIC OIL TANK
- 3.10.1. REMOVAL
- 3.10.2. INSTALLATION
- 3.11. ENGINEGEARBOXPUMP GROUP
- 3.11.1. DISASSEMBLY CONVERTER
- 3.11.2. ASSEMBLY CONVERTER
- 3.11.3. DISASSEMBLY PLUGS AND FILTERS
- 3.11.4. ASSEMBLY PLUGS AND FILTERS
- 3.11.5. DISASSEMBLY OIL PUMP
- 3.11.6. ASSEMBLY OIL PUMP
- 3.11.7. DISASSEMBLY PIPES AND SENSORS
- 3.11.8. ASSEMBLY PIPES AND SENSORS
- 3.11.9. DISASSEMBLY HYDRAULIC CONTROL VALVE
- 3.11.10. ASSEMBLY HYDRAULIC CONTROL VALVE
- 3.11.11. DISASSEMBLY TRANSMISSION HOUSING
- 3.11.12. ASSEMBLY TRANSMISSION HOUSING
- 3.11.13. DISASSEMBLY SHAFT A
- 3.11.14. ASSEMBLY SHAFT A
- 3.11.15. DISASSEMBLY SHAFT B
- 3.11.16. ASSEMBLY SHAFT B
- 3.11.17. DISASSEMBLY SHAFT C
- 3.11.18. ASSEMBLY SHAFT C
- 3.11.19. DISASSEMBLY SHAFT E
- 3.11.20. ASSEMBLY SHAFT E
- 3.12. CONVERTER
- 3.12.1. REMOVAL
- 3.12.2. INSTALLATION
- 3.13. HEADLIGHT CONTROL GROUP
- 3.13.1. REMOVAL OF THE TRANSMISSION INDICATOR AND HEADLIGHT DIMMER
- 3.13.2. INSTALLATION OF THE TRANSMISSION INDICATOR AND HEADLIGHT DIMMER
- 3.14. STEERING UNIT
- 3.14.1. REMOVAL
- 3.14.2. INSTALLATION
- 3.15. WORKING BRAKE PUMP GROUP
- 3.15.1. REMOVAL
- 3.15.2. INSTALLATION
- 3.16. FRONT WORK EQUIPMENT CONTROL VALVE
- 3.17. REAR AXLE
- 3.17.1. REMOVAL
- 3.17.2. INSTALLATION
- 3.17.3. DISASSEMBLY
- 3.17.4. ASSEMBLY
- 3.18. WORK EQUIPMENT
- 3.18.1. FRONT BUCKET BOOMRAISING CYLINDER
- 3.18.2. FRONT BUCKET TILT CYLINDERS
- 3.18.3. FRONT BUCKET
- 3.18.4. FRONT WORK EQUIPMENT
- 3.18.5. BACKHOE CONTROL VALVE
- 3.18.6. BACKHOE BOOM CYLINDER
- 3.18.7. BACKHOE ARM CYLINDER
- 3.18.8. TELESCOPIC ARM CYLINDER
- 3.18.9. BACKHOE BUCKET CYLINDER
- 3.18.10. OUTRIGGER CYLINDERS
- 3.18.11. BACKHOE SWING CYLINDERS
- 3.19. CYLINDERS
- 3.19.1. DISASSEMBLY
- 3.19.2. ASSEMBLY
- 3.20. BOOM SWING CYLINDER
- 3.20.1. DISASSEMBLY
- 3.20.2. ASSEMBLY
- 3.21. BOOM SAFETY CYLINDER
- 3.21.1. REMOVAL
- 3.21.2. INSTALLATION
- 3.22. BACKHOE WORKING EQUIPMENT
- 3.23. TELESCOPIC ARM, COMPLETE
- 3.24. BACKHOE SWING BRACKET
- 3.24.1. REMOVAL
- 3.24.2. INSTALLATION
- 3.25. BACKHOE OUTRIGGERS
- 3.25.1. REMOVAL
- 3.25.2. INSTALLATION
- 4. OTHERS
- 4.1. HYDRAULIC CIRCUIT (CONTROL VALVE)
- 4.2. HYDRAULIC CIRCUIT (PUMP AND TANK)
- 4.3. ELECTRICAL SCHEMATIC (Sheet 1 of 3)
- 4.4. ELECTRICAL SCHEMATIC (Sheet 2 of 3)
- 4.5. ELECTRICAL SCHEMATIC (Sheet 3 of 3)
- 4.6. AIR CONDITIONER CIRCUIT
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