komatsu wa420 3 wheel loader shop manual cebm000200 1

komatsu wa420 3 wheel loader shop manual cebm000200 2

komatsu wa420 3 wheel loader shop manual cebm000200 3

komatsu wa420 3 wheel loader shop manual cebm000200 4

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Komatsu WA420-3 Wheel Loader Shop Manual CEBM000200

$40.00

Type Of Manual: Shop Manual
Manual ID: CEBM000200
Format: PDF
Size: 39.2MB
Number of Pages: 775

Category: Komatsu Shop Manual PDF

Model List:
- WA420-3 Wheel Loader

1. MAIN MENU
2. CONTENTS
3. GENERAL
3.1. SPECIFICATION DRAWINGS
3.2. SPECIFICATIONS
3.3. WEIGHT TABLE
3.4. FUEL, COOLANT AND LUBRICANTS
3.5. ENGINE OIL SPECIFICATIONS
3.6. DIESEL FUEL SPECIFICATIONS
3.7. COOLANT SPECIFICATIONS
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
4.5. TRANSMISSION HYDRAULIC CIRCUIT DIAGRAM
4.6. TORQUE CONVERTER
4.7. TORQUE CONVERTER OIL FILTER
4.8. TRANSMISSION
4.9. TRANSMISSION CONTROL VALVE
4.10. MODULATION VALVE
4.11. TRANSMISSION SOLENOID VALVE
4.12. ELECTRONIC CONTROL MODULATION VALVE (ECMV)
4.13. PILOT OIL FILTER
4.14. DRIVE SHAFT
4.15. AXLE
4.16. DIFFERENTIAL
4.17. FINAL DRIVE
4.18. AXLE MOUNT, CENTER HINGE PIN
4.19. STEERING PIPING
4.20. STEERING COLUMN
4.21. STEERING VALVE
4.22. STEERING VALVE (ORBITROLL)
4.23. STOP VALVE
4.24. EMERGENCY STEERING PUMP
4.25. DIVERTER VALVE
4.26. BRAKE PIPING
4.27. BRAKE CIRCUIT DIAGRAM
4.28. BRAKE VALVE
4.29. ACCUMLATOR CHARGE VALVE
4.30. ACCUMULATOR (FOR BRAKE)
4.31. SLACK ADJUSTER
4.32. BRAKE
4.33. PARKING BRAKE CONTROL
4.34. PARKING BRAKE
4.35. PARKING BRAKE SOLENOID VALVE
4.36. PARKING BRAKE VALVE
4.37. PARKING EMERGENCY RELEASE SOLENOID VALVE
4.38. HYDRAULIC PIPING
4.39. WORK EQUIPMENT HYDRAULIC SYSTEM DIAGRAM
4.40. WORK EQUIPMENT HYDRAULIC CIRCUIT DIAGRAM
4.41. WORK EQUIPMENT LEVER LINKAGE
4.42. HYDRAULIC TANK
4.43. PPC VALVE
4.44. PPC RELIEF VALVE
4.45. ACCUMULATOR (FOR PPC VALVE)
4.46. MAIN CONTROL VALVE
4.47. WORK EQUIPMENT LINKAGE
4.48. BUCKET
4.49. BUCKET POSITIONER AND BOOM KICKOUT
4.51. AIR CONDITIONER
4.52. ELECTRIC CIRCUIT DIAGRAM
4.53. WIRING DIAGRAM (EAGLE AIR CONDITIONER/HEATER)
4.54. ELECTRIC CIRCUIT DIAGRAM (E.C.S.S.)
4.55. ELECTRIC CIRCUIT DIAGRAM (AUTOGREASING)
4.56. MACHINE MONITOR SYSTEM
4.57. MAIN MONITOR
4.58. MAINTENANCE MONITOR
4.59. TRANSMISSION AUTOSHIFT CONTROL SYSTEM
4.60. TRANSMISSION CONTROLLER
4.61. (ELECTRONIC CONTROLLED SUSPENSION SYSTEM)
4.62. SENSORS
4.63. ENGINE STARTING CIRCUIT
4.64. ENGINE STARTING CIRCUIT (ETHER START)
4.65. ELECTRIC TRANSMISSION CONTROL
4.66. KICKDOWN, HOLD SWITCH
4.67. KICKDOWN ELECTRIC CIRCUIT DIAGRAM
4.68. TRANSMISSION CUTOFF SWITCH
4.69. TRANSMISSION CUTOFF FUNCTION
4.70. ELECTRIC PARKING BRAKE CONTROL
5. TESTING AND ADJUSTING
5.1. STANDARD VALUE TABLE FOR ENGINE
5.2. STANDARD VALUE TABLE FOR CHASSIS
5.3. STANDARD VALUE TABLE FOR ELECTRICAL PARTS
5.4. TOOLS FOR TESTING, ADJUSTING TROUBLESHOOTING
5.5. MEASURING ENGINE SPEED
5.6. MEASURING INTAKE MANIFOLD PRESSURE
5.7. MEASURING INTAKE AIR RESTRICTION
5.8. MEASURING ENGINE LUBRICATING OIL PRESSURE
5.9. MEASURING FUEL FILTER INLET RESTRICTION
5.10. MEASURING BLOWBY PRESSURE
5.11. MEASURING EXHAUST BACK PRESSURE
5.12. MEASURING COOLANT TEMPERATURE
5.13. MEASURING AND ADJUSTING VALVE CLEARANCE
5.14. MEASURING WASTEGATE ACTUATOR CALIBRATION
5.15. MEASURING EXAUST COLOR
5.16. MEASURING ACCELERATOR PEDAL
5.17. MEASURING OPERATING FORCE, TRAVEL OF SPEED LEVER
5.18. MEASURING STALL SPEEDS
5.19. MEASURING TORQUE CONVERTER, TRANSMISSION, PARKING BRAKE OIL PRESSURE
5.20. METHOD OF OPERATING EMERGENCY MANUAL SPOOL
5.21. MEASURING CLEARANCE BETWEEN TIRE AND WHEEL
5.22. TESTING AND ADJUSTING STEERING WHEEL
5.23. TESTING AND ADJUSTING STEERING CONTROL
5.24. MEASURING STEERING OIL PRESSURE
5.25. MEASURING OPERATING FORCE, TRAVEL OF BRAKE PEDAL
5.26. MEASURING BRAKE PERFORMANCE
5.27. TESTING BRAKE OIL PRESSURE
5.28. MEASURING BRAKE DISC WEAR
5.29. BLEEDING AIR FROM BRAKE SYSTEM
5.30. MEASURING PARKING BRAKE PERFORMANCE
5.31. MANUAL RELEASE METHOD FOR PARKING BRAKE
5.32. TESTING WEAR OF PARKING BRAKE DISC
5.33. MEASURING WORK EQUIPMENT CONTROL LEVER
5.34. MEASURING WORK EQUIPMENT HYDRAULIC PRESSURE
5.35. MEASURING WORK EQUIPMENT
5.36. TESTING AND ADJUSTING BUCKET POSITIONER
5.37. TESTING AND ADJUSTING BOOM KICKOUT
5.38. ADJUSTING MAIN MONITOR (SPEEDOMETER MODULE)
5.39. CHECKING FOR ABNORMALITY IN FUEL LEVEL SENSOR
5.40. TROUBLESHOOTING
5.40.1. POINTS TO REMEMBER WHEN TROUBLESHOOTING
5.40.2. SEQUENCE OF EVENTS IN TROUBLESHOOTING
5.40.3. PRECAUTIONS WHEN CARRYING OUT MAINTENANCE
5.40.4. HANDLING CONNECTORS
5.40.5. CHECKS BEFORE TROUBLESHOOTING
5.40.6. METHOD OF USING TROUBLESHOOTING CHARTS
5.40.7. CONNECTOR TYPES AND MOUNTING LOCATIONS, CONNECTOR PIN ARRANGEMENT DIAGRAM
5.40.8. CONNECTION TABLE FOR CONNECTOR PIN NUMBERS
5.40.9. TROUBLESHOOTING OF ENGINE SYSTEM (S MODE)
5.40.10. TROUBLESHOOTING OF MAIN MONITOR SYSTEM (M MODE)
5.40.11. TROUBLESHOOTING OF MAINTENANCE MONITOR SYSTEM (K MODE)
5.40.12. TROUBLESHOOTING OF ELECTRICAL SYSTEM (E MODE)
5.40.13. TROUBLESHOOTING OF HYDRAULIC AND MECHANICAL SYSTEM (CHASSIS RELATED) (T MODE)
5.40.14. TROUBLESHOOTING OF ECSS (ELECTRONICALLY CONTROLLED SUSPENSION SYSTEM) (D MODE)
5.40.15. TROUBLESHOOTING OF TRANSMISSION CONTROLLER SYSTEM (A MODE)
5.40.16. TROUBLESHOOTING EAGLE AIR CONDITIONER
6. DISASSEMBLY AND ASSEMBLY
6.1. METHOD OF USING MANUAL
6.2. PRECAUTIONS WHEN CARRYING OUT OPERATION
6.3. SPECIAL TOOL LIST
6.4. TORQUE CONVERTER CHARGING PUMP
6.4.1. REMOVAL
6.4.2. INSTALLATION
6.5. TORQUE CONVERTER, TRANSMISSION
6.5.1. REMOVAL
6.5.2. INSTALLATION
6.6. TORQUE CONVERTER
6.7. TRANSMISSION CLUTCH PACK
6.8. TRANSMISSION CONTROL VALVE
6.8.1. REMOVAL
6.8.2. INSTALLATION
6.8.3. DISASSEMBLY
6.8.4. ASSEMBLY
6.9. TRANSMISSION ACCUMULATOR VALVE
6.10. FRONT DIFFERENTIAL
6.10.1. REMOVAL
6.10.2. INSTALLATION
6.11. REAR DIFFERENTIAL
6.12. CENTER HINGE PIN
6.12.1. REMOVAL
6.12.2. INSTALLATION
6.13. STEERING VALVE (ORBITROLL)
6.14. STEERING DEMAND VALVE
6.14.1. DISASSEMBLY
6.14.2. ASSEMBLY
6.15. STEERING SWITCH PUMP
6.15.1. REMOVAL
6.15.2. INSTALLATION
6.16. STEERING CYLINDER
6.17. RIGHT BRAKE VALVE (TANDEM)
6.17.1. DISASSEMBLY
6.17.2. ASSEMBLY
6.18. LEFT BRAKE VALVE (SINGLE)
6.19. PARKING BRAKE DISC
6.20. WORK EQUIPMENT, PPC PUMP
6.21. MAIN CONTROL VALVE
6.21.1. REMOVAL
6.21.2. INSTALLATION
6.21.3. DISASSEMBLY
6.21.4. ASSEMBLY
6.22. BUCKET CYLINDER
6.23. HYDRAULIC CYLINDER
6.24. MAINTENANCE MONITOR
6.24.1. REMOVAL
6.24.2. INSTALLATION
6.25. AIR CONDITIONER UNIT
6.25.1. REMOVAL
6.25.2. INSTALLATION
6.26. AIR CONDITIONER CONDENSER
6.27. AIR CONDITIONER COMPRESSOR
6.27.1. REMOVAL
6.27.2. INSTALLATION
7. MAINTENANCE STANDARD
7.1. ENGINE MOUNT, TRANSMISSION MOUNT
7.2. TORQUE CONVERTER
7.3. TRANSMISSION
7.4. TRANSMISSION CONTROL VALVE
7.5. DRIVE SHAFT
7.6. DIFFERENTIAL
7.7. FINAL DRIVE
7.8. AXLE MOUNT
7.9. STEERING COLUMN
7.10. STEERING VALVE
7.11. STEERING CYLINDER MOUNT
7.12. SLACK ADJUSTER
7.13. BRAKE VALVE
7.14. BRAKE
7.15. PARKING BRAKE
7.16. TORQUE CONVERTER, TRANSMISSION PUMP
7.17. STEERING SWITCH PUMP
7.18. HYDRAULIC PPC PUMP
7.19. PPC VALVE
7.20. CUTOFF VALVE
7.21. MAIN CONTROL VALVE
7.22. HYDRAULIC CYLINDER
7.23. CENTER HINGE PIN
7.24. WORK EQUIPMENT LINKAGE
7.25. BUCKET
7.26. BUCKET POSITIONER AND BOOM KICKOUT

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