Komatsu WA380-3MC Wheel Loader Shop Manual CEBM003402

Description

• Model List:
  • WA380-3MC Wheel Loader

• 1. MAIN MENU
• 2. COVER
• 3. CONTENTS
• 4. GENERAL
• 4.1. SPECIFICATION DRAWINGS
• 4.2. SPECIFICATIONS
• 4.3. WEIGHT TABLE
• 4.4. LIST OF LUBRICANTS AND COOLANT
• 5. STRUCTURE AND FUNCTION
• 5.1. POWER TRAIN
• 5.2. POWER TRAIN SYSTEM
• 5.3. TORQUE CONVERTER, TRANSMISSION PIPING
• 5.4. TRANSMISSION HYDRAULIC SYSTEM DIAGRAM
• 5.5. TRANSMISSION HYDRAULIC CIRCUIT DIAGRAM
• 5.6. TORQUE CONVERTER
• 5.7. TORQUE CONVERTER OIL FILTER
• 5.8. TRANSMISSION
• 5.9. TRANSMISSION CONTROL VALVE
• 5.10. DRIVE SHAFT
• 5.11. FRONT AXLE
• 5.12. REAR AXLE
• 5.13. DIFFERENTIAL
• 5.14. FINAL DRIVE
• 5.15. AXLE MOUNT, CENTER HINGE PIN
• 5.16. STEERING PIPING
• 5.17. STEERING COLUMN
• 5.18. STEERING VALVE
• 5.19. ORBITROLL VALVE
• 5.20. STOP VALVE
• 5.21. GROUND DRIVEN STEERING PUMP (OPTION)
• 5.22. DIVERTER VALVE (OPTION)
• 5.23. BRAKE PIPING
• 5.24. BRAKE HYDRAULIC CIRCUIT DIAGRAM
• 5.25. BRAKE VALVE (RIGHT)
• 5.26. BRAKE VALVE (LEFT)
• 5.27. ACCUMULATOR CHARGE VALVE
• 5.28. ACCUMULATOR (FOR BRAKE)
• 5.29. BRAKE
• 5.30. PARKING BRAKE CONTROL
• 5.31. PARKING BRAKE
• 5.32. PARKING BRAKE SOLENOID VALVE
• 5.33. PARKING BRAKE VALVE
• 5.34. PARKING BRAKE EMERGENCY RELEASE SOLENOID VALVE
• 5.35. HYDRAULIC PIPING
• 5.36. WORK EQUIPMENT HYDRAULIC SYSTEM DIAGRAM (FOLDOUT)
• 5.37. WORK EQUIPMENT HYDRAULIC CIRCUIT DIAGRAM
• 5.38. WORK EQUIPMENT LEVER LINKAGE
• 5.39. HYDRAULIC TANK
• 5.40. OIL FILTER BYPASS VALVE
• 5.41. BREATHER
• 5.42. PPC VALVE
• 5.43. PPC RELIEF VALVE
• 5.44. ACCUMULATOR (FOR PPC VALVE)
• 5.45. MAIN CONTROL VALVE
• 5.46. WORK EQUIPMENT LINKAGE
• 5.47. BUCKET
• 5.48. BUCKET POSITIONER AND BOOM KICKOUT
• 5.49. ROPS CAB
• 5.50. AIR CONDITIONER
• 5.51. ELECTRIC CIRCUIT DIAGRAM (FOLDOUT)
• 5.52. ELECTRIC CIRCUIT DIAGRAM ECSS (FOLDOUT)
• 5.53. MACHINE MONITOR SYSTEM
• 5.54. MAIN MONITOR
• 5.55. MAINTENANCE MONITOR
• 5.56. TRANSMISSION AUTOSHIFT CONTROL SYSTEM
• 5.57. TRANSMISSION CONTROLLER
• 5.58. ECSS (ELECTRONICALLY CONTROLLED SUSPENSION SYSTEM)
• 5.59. SENSORS
• 5.60. ENGINE STARTING CIRCUIT
• 5.61. ENGINE STOP CIRCUIT
• 5.62. ETHER START CIRCUIT
• 5.63. ELECTRIC TRANSMISSION CONTROL
• 5.64. COMBINATION SWITCH
• 5.65. KICKDOWN, HOLD SWITCH
• 5.66. KICKDOWN ELECTRIC CIRCUIT DIAGRAM
• 5.67. TRANSMISSION CUTOFF SWITCH
• 5.68. TRANSMISSION CUTOFF FUNCTION
• 5.69. ELECTRIC PARKING BRAKE CONTROL
• 6. TESTING, ADJUSTING AND TROUBLE SHOOTING
• 6.1. STANDARD VALUE TABLE FOR ENGINE
• 6.2. STANDARD VALUE TABLE FOR CHASSIS
• 6.3. STANDARD VALUE TABLE FOR ELECTRICAL SYSTEM
• 6.4. SERVICE TOOLS FOR TESTING, ADJUSTING AND TROUBLESHOOTING
• 6.5. MEASURING ENGINE SPEEDS
• 6.6. MEASURING INTAKE MANIFOLD PRESSURE
• 6.7. MEASURING INTAKE AIR RESTRICTION
• 6.8. MEASURING ENGINE LUBRICATING OIL PRESSURE
• 6.9. MEASURING FUEL FILTER INLET RESTRICTION
• 6.10. MEASURING BLOWBY PRESSURE
• 6.11. MEASURING EXHAUST BACK PRESSURE
• 6.12. MEASURING EXHAUST GAS COLOR
• 6.13. MEASURING COOLANT TEMPERATURE
• 6.14. MEASURING AND ADJUSTING VALVE CLEARANCE
• 6.15. MEASURING WASTEGATE ACTUATOR CALIBRATION
• 6.16. MEASURING STALL SPEEDS
• 6.17. MEASURING ACCELERATOR PEDAL
• 6.18. MEASURING OPERATING ANGLE OF ACCELERATOR PEDAL
• 6.19. MEASURING OPERATING FORCE AND TRAVEL OF DIRECTIONAL SPEED LEVERS
• 6.20. MEASURING TORQUE CONVERTER, TRANSMISSION, AND PARKING BRAKE OIL PRESSURE
• 6.21. METHOD OF OPERATING EMERGENCY MANUAL SPOOL
• 6.22. MEASURING CLEARANCE BETWEEN TIRE AND WHEEL
• 6.23. TESTING AND ADJUSTING STEERING WHEEL
• 6.24. MEASURING OPERATING FORCE OF STEERING WHEEL
• 6.25. MEASURING OPERATING TIME FOR STEERING WHEEL
• 6.26. TESTING AND ADJUSTING STEERING CONTROL
• 6.27. MEASURING STEERING OIL PRESSURE
• 6.28. MEASURING OPERATING FORCE AND TRAVEL OF BRAKE PEDAL
• 6.29. MEASURING BRAKE PERFORMANCE
• 6.30. TESTING BRAKE OIL PRESSURE
• 6.31. MEASURING BRAKE DISC WEAR
• 6.32. BLEEDING AIR FROM BRAKE SYSTEM
• 6.33. MEASURING PARKING BRAKE PERFORMANCE
• 6.34. MANUAL RELEASE METHOD FOR PARKING BRAKE
• 6.35. MEASURING WEAR OF PARKING BRAKE DISC
• 6.36. MEASURING WORK EQUIPMENT CONTROL LEVER
• 6.37. MEASURING WORK EQUIPMENT HYDRAULIC PRESSURE
• 6.38. MEASURING PPC VALVE PRESSURE
• 6.39. MEASURING WORK EQUIPMENT
• 6.40. MEASURING WORK EQUIPMENT HYDRAULIC DRIFT
• 6.41. TESTING AND ADJUSTING BUCKET POSITIONER
• 6.42. TESTING AND ADJUSTING BOOM KICKOUT
• 6.43. ADJUSTING MAIN MONITOR (SPEEDOMETER MODULE)
• 6.44. TROUBLESHOOTING (TABLE OF CONTENTS)
• 7. DISASSEMBLY AND ASSEMBLY
• 7.1. METHOD OF USING MANUAL
• 7.2. PRECAUTIONS WHEN CARRYING OUT OPERATION
• 7.3. SPECIAL TOOL LIST
• 7.4. ENGINE OIL COOLER
• 7.5. FUEL INJECTION PUMP
• 7.6. WATER PUMP
• 7.7. TURBOCHARGER
• 7.8. NOZZLE HOLDER ASSEMBLY
• 7.9. TORQUE CONVERTER CHARGING PUMP
• 7.10. TORQUE CONVERTER, TRANSMISSION
• 7.11. TRANSMISSION
• 7.12. TRANSMISSION CLUTCH PACK
• 7.13. TRANSMISSION CONTROL VALVE
• 7.14. TRANSMISSION ACCUMULATOR VALVE
• 7.15. AXLE HOUSING ASSEMBLY
• 7.16. CENTER HINGE PIN
• 7.17. ORBITROL VALVE (STEERING PILOT VALVE)
• 7.18. STEERING CYLINDER
• 7.19. BRAKE VALVE
• 7.20. RIGHT BRAKE VALVE (TANDEM)
• 7.21. LEFT BRAKE VALVE (SINGLE)
• 7.22. PARKING BRAKE DISC
• 7.23. HYDRAULIC TANK
• 7.24. HYDRAULIC FILTER
• 7.25. HYDRAULIC, STEERING, SWITCH, PPC PUMP ASSEMBLY
• 7.26. MAIN CONTROL VALVE
• 7.27. BUCKET CYLINDER
• 7.28. BOOM CYLINDER
• 7.29. HYDRAULIC CYLINDERS STEERING, BOOM, AND BUCKET CYLINDERS)
• 7.30. CAB AND FLOOR FRAME ASSEMBLY
• 7.31. MAINTENANCE MONITOR
• 7.32. AIR CONDITIONER UNIT ASSEMBLY
• 7.33. AIR CONDITIONER CONDENSER
• 7.34. AIR CONDITIONER RECEIVER DRIER
• 7.35. AIR CONDITIONER COMPRESSOR
• 8. MAINTENANCE STANDARD
• 8.1. ENGINE MOUNT, TRANSMISSION MOUNT
• 8.2. TORQUE CONVERTER CHARGING PUMP
• 8.3. TORQUE CONVERTER
• 8.4. TRANSMISSION
• 8.5. TRANSMISSION CONTROL VALVE
• 8.6. FLOW CONTROL VALVE
• 8.7. ACCUMULATOR VALVE
• 8.8. DRIVE SHAFTS
• 8.9. DIFFERENTIAL (1/2)
• 8.10. DIFFERENTIAL (2/2)
• 8.11. LIMITED SLIP DIFFERENTIAL (OPTIONAL)
• 8.12. FINAL DRIVE
• 8.13. AXLE MOUNT
• 8.14. CENTER HINGE PIN
• 8.15. STEERING COLUMN
• 8.16. STEERING VALVE
• 8.17. STEERING CYLINDER MOUNT
• 8.18. DIVERTER VALVE
• 8.19. GROUND DRIVEN STEERING PUMP
• 8.20. BRAKE
• 8.21. BRAKE VALVE
• 8.22. PARKING BRAKE
• 8.23. HYDRAULIC PUMP (HYDRAULIC, STEERING, SWITCH, PPC PUMP)
• 8.24. MAIN CONTROL VALVE
• 8.25. PPC VALVE
• 8.26. HYDRAULIC CYLINDER
• 8.27. WORK EQUIPMENT LINKAGE
• 8.28. BUCKET
• 8.29. BUCKET POSITIONER AND BOOM KICKOUT
• 9. OTHERS
• 9.1. ELECTRICAL CIRCUIT DIAGRAM (1 OF 4)
• 9.2. ELECTRICAL CIRCUIT DIAGRAM (2 OF 4)
• 9.3. ELECTRICAL CIRCUIT DIAGRAM (3 OF 4)
• 9.4. ELECTRICAL CIRCUIT DIAGRAM (4 OF 4)