Komatsu WA120-3 Avance Wheel Loader Shop Manual SEBM005706
$40.00
- Type Of Manual: Shop Manual
- Manual ID: SEBM005706
- Format: PDF
- Size: 27.8MB
- Number of Pages: 735
Category: Komatsu Shop Manual PDF
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Model List:
- WA120-3 Avance Wheel Loader
- 1. COVER
- 2. CONTENTS
- 3. GENERAL
- 3.1. GENERAL ASSEMBLY DRAWING
- 3.2. SPECIFICATIONS
- 3.3. WEIGHT TABLE
- 3.4. LIST OF LUBRICANT AND WATER
- 4. STRUCTURE AND FUNCTION
- 4.1. POWER TRAIN
- 4.2. POWER TRAIN SYSTEM
- 4.3. TORQUE CONVERTER,TRANSMISSION PIPING
- 4.4. TRANSMISSION HYDRAULIC SYSTEM DIAGRAM (WA1203)
- 4.5. TRANSMISSION HYDRAULIC CIRCUIT DIAGRAM (WA1203)
- 4.6. TRANSMISSION HYDRAULIC SYSTEM DIAGRAM (WA1203A)
- 4.7. TRANSMISSION HYDRAULIC CIRCUIT DIAGRAM (WA1203A)
- 4.8. TORQUE CONVERTER
- 4.9. TORQUE CONVERTER OIL FILTER
- 4.10. TRANSMISSION (WA1203)
- 4.11. TRANSMISSION (WA1203A)
- 4.12. TRANSMISSION CONTROL VALVE
- 4.13. TRANSMISSION CONTROL
- 4.14. DRIVE SHAFT
- 4.15. AXLE
- 4.16. FINAL DRIVE
- 4.17. AXLE MOUNT
- 4.18. CENTER HINGE PIN
- 4.19. STEERING PIPING
- 4.20. STEERING COLUMN
- 4.21. PRIORITY VALVE
- 4.22. STEERING VALVE (ORBITROLL)
- 4.23. BRAKE PIPING
- 4.24. BRAKE CONTROL
- 4.25. BRAKE BOOSTER
- 4.26. BRAKE
- 4.27. PARKING BRAKE CONTROL
- 4.28. PARKING BRAKE
- 4.29. HYDRAULIC PIPING
- 4.30. WORK EQUIPMENT HYDRAULIC SYSTEM DIAGRAM
- 4.31. WORK EQUIPMENT HYDRAULIC CIRCUIT DIAGRAM
- 4.32. HYDRAULIC TANK
- 4.33. MAIN CONTROL VALVE
- 4.34. WORK EQUIPMENT LEVER LINKAGE
- 4.35. WORK EQUIPMENT LINKAGE
- 4.36. BUCKET
- 4.37. BUCKET POSITIONER AND BOOM KICKOUT
- 4.38. PROXIMITY SWITCH
- 4.39. CANOPY
- 4.40. ROPS CAB
- 4.41. AIR CONDITIONER
- 4.42. TRAVEL DAMPER SYSTEM
- 4.43. ELECTRICAL WIRING DIAGRAM
- 4.44. ELECTRICAL CIRCUIT DIAGRAM (WA1203)
- 4.45. ELECTRICAL CIRCUIT DIAGRAM (WA1203A)
- 4.46. AIR CONDITIONER ELECTRICAL CIRCUIT DIAGRAM
- 4.47. CENTRAL PANEL
- 4.48. SENSOR
- 4.49. ENGINE STARTING CIRCUIT
- 4.50. ENGINE STOP CIRCUIT
- 4.51. FUEL CUTOFF SOLENOID
- 4.52. AUTOMATIC PREHEATING CIRCUIT
- 4.53. AUTOMATIC AIR BLEED MECHANISM
- 4.54. ELECTRICAL TRANSMISSION CONTROL
- 4.55. COMBINATION SWITCH
- 4.56. TRANSMISSION CUTOFF FUNCTION (WA1203)
- 4.57. TRANSMISSION CUTOFF FUNCTION (WA1203A)
- 4.58. PARKING BRAKE FUNCTION
- 4.59. KICKDOWN SWITCH
- 5. TESTING AND ADJUSTING
- 5.1. STANDARD VALUE TABLE FOR ENGINE
- 5.2. STANDARD VALUE TABLE FOR CHASSIS (WA1203)
- 5.3. STANDARD VALUE TABLE FOR CHASSIS (WA1203A)
- 5.4. TOOLS FOR TESTING, ADJUSTING, AND TROUBLESHOOTING
- 5.5. ADJUSTING VALVE CLEARANCE
- 5.6. MEASURING COMPRESSION PRESSURE
- 5.7. TESTING AND ADJUSTING FUEL INJECTION TIMING
- 5.8. MEASURING EXHAUST COLOR
- 5.9. MEASURING BLOWBY PRESSURE
- 5.10. MEASURING ENGINE OIL PRESSURE
- 5.11. TESTING AND ADJUSTING FAN BELT TENSION
- 5.12. MEASURING ENGINE SPEED
- 5.13. METHOD FOR ADJUSTING ENGINE STOP MOTOR CABLE
- 5.14. ADJUSTING ENGINE STOP SOLENOID
- 5.15. MEASURING ACCELERATOR PEDAL
- 5.16. MEASURING OPERATING FORCE, TRAVEL OF SPEED LEVER
- 5.17. MEASURING OPERAITNG FORCE AND STROKE OF TRANSMISSION VALVE SPOOL
- 5.18. MEASURING STALL SPEED
- 5.19. MEASURING TORQUE CONVERTER, TRANSMISSION OIL PRESSURE(WA1203)
- 5.20. MEASURING TORQUE CONVERTER, TRANSMISSION OIL PRESSURE(WA1203A)
- 5.21. METHOD OF OPERATING EMERGENCY MANUAL SPOOL(WA1203)
- 5.22. TESTING AND ADJUSTING STEERING WHEEL
- 5.23. MEASURING STEERING OIL PRESSURE
- 5.24. MEASURING OPERATING FORCE, TRAVEL OF BRAKE PEDAL
- 5.25. TESTING AND ADJUSTING BRAKE PEDAL LINKAGE
- 5.26. MEASURING BRAKE PERFORMANCE
- 5.27. MEASURING BRAKE OIL PRESSURE
- 5.28. TESTING FOR BRAKE DISC WEAR
- 5.29. BLEEDING AIR FROM BRAKE SYSTEM
- 5.30. MEASURING PARKING BRAKE PERFORMANCE
- 5.31. TESTING AND ADJUSTING PARKING BRAKE LINKAGE(WA1203)
- 5.32. TESTING AND ADJUSTING PARKING BRAKE LINKAGE(WA1203A)
- 5.33. TESTING PARKING BRAKE DISC WEAR(WA1203)
- 5.34. MEASURING PARKING BRAKE DISC WEAR(WA1203)
- 5.35. TESTING AND ADJUSTING PARKING BRAKE CALIPER(WA1203A)
- 5.36. MEASURING WORK EQUIPMENT CONTROL LEVER
- 5.37. MEASURING STROKE OF WORK EQUIPMENT VALVE SPOOL
- 5.38. MEASURING WORK EQUIPMENT HYDRAULIC PRESSURE
- 5.39. MEASURING WORK EQUIPMENT
- 5.40. TESTING AND ADJUSTING BUCKET POSITIONER
- 5.41. TESTING AND ADJUSTING BOOM KICKOUT
- 5.42. TROUBLESHOOTING
- 5.42.1. USING TROUBLESHOOTING CHARTS FOR ENGINERELATED FAILURE
- 5.42.2. POINTS TO REMEMBER WHEN TROUBLESHOOTING
- 5.42.3. TROUBLESHOOTING OF ENGINE (S6D95L) SYSTEM (S MODE)SERIAL NO.5000152999
- 5.42.4. TROUBLESHOOTING OF ENGINE (S4D102E) SYSTEM (S MODE)SERIAL NO.53001UP
- 5.42.5. TROUBLESHOOTING OF HYDRAULIC AND MECHANICAL SYSTEM (CHASSIS RELATED)(T,S,A,H MODE)
- 6. DISASSEMBLY AND ASSEMBLY
- 6.1. METHOD OF USING MANUAL
- 6.2. PRECAUTIONS WHEN CARRYING OUT OPERATION
- 6.3. SPECIAL TOOL LIST
- 6.4. STARTING MOTOR
- 6.4.1. REMOVAL AND INSTALLATION
- 6.5. ALTERNATOR
- 6.5.1. REMOVAL AND INSTALLATION
- 6.6. FUEL INJECTION PUMP
- 6.6.1. REMOVAL
- 6.6.2. INSTALLATION
- 6.7. ENGINE OIL COOLER
- 6.7.1. REMOVAL AND INSTALLATION
- 6.8. WATER PUMP
- 6.8.1. REMOVAL AND INSTALLATION
- 6.9. NOZZLE HOLDER
- 6.9.1. REMOVAL AND INSTALLATION
- 6.10. THERMOSTAT
- 6.10.1. REMOVAL AND INSTALLATION
- 6.11. TURBOCHARGER
- 6.11.1. REMOVAL AND INSTALLATION
- 6.12. TORQUE CONVERTER CHARGING PUMP
- 6.12.1. REMOVAL AND INSTALLATION
- 6.13. TORQUE CONVERTER, TRANSMISSION
- 6.13.1. REMOVAL
- 6.13.2. INSTALLATION
- 6.14. TORQUE CONVERTER
- 6.14.1. DISASSEMBLY (WA1203)
- 6.14.2. DISASSEMBLY (WA1203A)
- 6.14.3. ASSEMBLY (WA1203)
- 6.14.4. ASSEMBLY (WA1203A)
- 6.15. TRANSMISSION
- 6.15.1. DISASSEMBLY (WA1203)
- 6.15.2. DISASSEMBLY (WA1203A)
- 6.15.3. ASSEMBLY (WA1203)
- 6.15.4. ASSEMBLY (WA1203A)
- 6.16. CLUTCH PACK
- 6.16.1. DISASSEMBLY (WA1203)
- 6.16.2. DISASSEMBLY (WA1203A)
- 6.16.3. ASSEMBLY (WA1203)
- 6.16.4. ASSEMBLY (WA1203A)
- 6.17. TRANSMISSION CONTROL VALVE
- 6.17.1. REMOVAL (WA1203)
- 6.17.2. INSTALLATION (WA1203)
- 6.17.3. REMOVAL (WA1203A)
- 6.17.4. INSTALLATION (WA1203A)
- 6.17.5. DISASSEMBLY (WA1203)
- 6.17.6. DISASSEMBLY (WA1203A)
- 6.17.7. ASSEMBLY (WA1203)
- 6.17.8. ASSEMBLY (WA1203A)
- 6.18. TRANSMISSION SOLENOID VALVE
- 6.18.1. DISASSEMBLY AND ASSEMBLY (WA1203)
- 6.19. TRANSMISSION ACCUMULATOR VALVE
- 6.19.1. DISASSEMBLY (WA1203)
- 6.19.2. ASSEMBLY (WA1203)
- 6.20. CENTER HINGE PIN
- 6.21. STEERING CYLINDER
- 6.21.1. REMOVAL (WA1203)
- 6.21.2. INSTALLATION (WA1203)
- 6.21.3. REMOVAL (WA1203A)
- 6.21.4. INSTALLATION (WA1203A)
- 6.22. PARKING BRAKE PAD
- 6.22.1. REMOVAL AND INSTALLATION
- 6.23. HYDRAULIC TANK
- 6.23.1. REMOVAL
- 6.23.2. INSTALLATION
- 6.24. HYDRAULIC FILTER
- 6.24.1. REMOVAL AND INSTALLATION
- 6.25. HYDRAULIC, STEERING PUMP
- 6.25.1. REMOVAL
- 6.25.2. INSTALLATION
- 6.26. MAIN CONTROL VALVE
- 6.26.1. REMOVAL
- 6.26.2. INSTALLATION
- 6.26.3. DISASSEMBLY
- 6.26.4. ASSEMBLY
- 6.27. BUCKET CYLINDER
- 6.28. HYDRAULIC CYLINDER
- 6.28.1. DISASSEMBLY
- 6.28.2. ASSEMBLY
- 6.29. WORK EQUIPMENT
- 6.29.1. REMOVAL AND INSTALLATION
- 6.30. INSTRUMENT PANEL
- 6.30.1. REMOVAL AND INSTALLATION
- 6.31. ENGINE HOOD
- 6.31.1. REMOVAL AND INSTALLATION
- 7. MAINTENANCE STANDARD
- 7.1. ENGINE MOUNT, TRANSMISSION MOUNT
- 7.2. TORQUE CONVERTER CHARGING PUMP
- 7.3. TORQUE CONVERTER
- 7.4. TRANSMISSION (WA1203)
- 7.5. TRANSMISSION (WA1203A)
- 7.6. TRANSMISSION CONTROL VALVE (WA1203)
- 7.7. TRANSMISSION CONTROL VALVE (WA1203A)
- 7.8. ACCUMULATOR VALVE
- 7.9. DRIVE SHAFT
- 7.10. DIFFERENTIAL
- 7.11. FINAL DRIVE
- 7.12. AXLE MOUNT
- 7.13. CENTER HINGE PIN
- 7.14. STEERING COLUMN
- 7.15. PRIORITY VALVE
- 7.16. STEERING CYLINDER MOUNT
- 7.17. BRAKE BOOSTER
- 7.18. BRAKE
- 7.19. PARKING BRAKE
- 7.20. HYDRAULIC AND STEERING PUMP
- 7.21. MAIN CONTROL VALVE
- 7.22. HYDRAULIC CYLINDER
- 7.23. WORK EQUIPMENT LINKAGE
- 7.24. BUCKET
- 7.25. BUCKET POSITIONER AND BOOM KICKOUT
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