Komatsu WA470-5, WA480-5 Shop Manual SEBM024414

Description

• Model List:
  • WA470-5
  • WA480-5

• 1. COVER
• 2. CONTENTS
• 3. GENERAL
• 3.1. GENERAL ASSEMBLY DRAWING
• 3.2. SPECIFICATIONS
• 3.3. WEIGHT TABLE
• 3.4. LIST OF LUBRICANT AND COOLANT
• 4. STRUCTURE AND FUNCTION,MAINTENANCE STANDARD
• 4.1. RADIATOR, OIL COOLER
• 4.2. ENGINE MOUNT, TRANSMISSION MOUNT
• 4.3. POWER TRAIN
• 4.4. POWER TRAIN SYSTEM DIAGRAM
• 4.5. DRIVE SHAFT
• 4.6. TORQUE CONVERTER,TRANSMISSION PIPING
• 4.7. TORQUE CONVERTER
• 4.8. TRANSMISSION
• 4.9. TRANSMISSION CONTROL VALVE
• 4.10. AXLE
• 4.11. DIFFERENTIAL
• 4.12. FINAL DRIVE
• 4.13. AXLE MOUNTING,CENTER HINGE PIN
• 4.14. STEERING PIPING
• 4.15. STEERING COLUMN, ORBITROLL
• 4.16. STEERING VALVE
• 4.17. ORBITROLL VALVE
• 4.18. STOP VALVE
• 4.19. STEERING PUMP, SWITCH PUMP
• 4.20. EMERGENCY STEERING PUMP (IF EQUIPPED)
• 4.21. EMERGENCY STEERING MOTOR (IF EQUIPPED)
• 4.22. STEERING CYLINDER
• 4.23. JOYSTICK STEERING LEVER (IF EQUIPPED)
• 4.24. STEERING LEVER (IF EQUIPPED)
• 4.25. STEERING SWITCH VALVE (IF EQUIPPED)
• 4.26. BRAKE PIPING
• 4.27. BRAKE VALVE
• 4.28. CHARGE VALVE
• 4.29. ACCUMULATOR (FOR BRAKE)
• 4.30. SLACK ADJUSTER
• 4.31. BRAKE
• 4.32. PARKING BRAKE CONTROL
• 4.33. PARKING BRAKE
• 4.34. PARKING BRAKE SOLENOID VALVE
• 4.35. PARKING BRAKE EMERGENCY RELEASE VALVE
• 4.36. HYDRAULIC PIPING
• 4.37. WORK EQUIPMENT CONTROL LEVER
• 4.38. HYDRAULIC TANK
• 4.39. TORQUE CONVERTER CHARGING,WORK EQUIPMENT,AND PPC PUMPS
• 4.40. PPC RELIEF VALVE
• 4.41. ECSS VALVE (IF EQUIPPED)
• 4.42. WORK EQUIPMENT CONTROL VALVE
• 4.43. PPC VALVE
• 4.44. PPC VALVE (FOR MULTI FUNCTION MONO LEVER)
• 4.45. WORK EQUIPMENT CONTROL EPC VALVE (IF EQUIPPED)
• 4.46. SHUT OFF VALVE (IF EQUIPPED)
• 4.47. COOLING FAN MOTOR
• 4.48. COOLING FAN MOTOR DRIVE PUMP
• 4.49. WORK EQUIPMENT LINKAGE
• 4.50. BUCKET
• 4.51. BUCKET POSITIONER, BOOM KICKOUT
• 4.52. WORK EQUIPMENT CYLINDER
• 4.54. AIR CONDITIONER (IF EQUIPPED)
• 4.55. MACHINE MONITORING SYSTEM
• 4.56. MACHINE MONITOR
• 4.57. TRANSMISSION CONTROL SYSTEM
• 4.58. TRANSMISSION CONTROLLER
• 4.59. WORK EQUIPMENT CONTROL SYSTEM (IF EQUIPPED)
• 4.60. WORK EQUIPMENT CONTROLLER (IF EQUIPPED)
• 4.61. ELECTRIC TRANSMISSION CONTROL
• 4.62. KICK DOWN, HOLD SWITCH
• 4.63. ENGINE STARTING CIRCUIT
• 4.64. ENGINE STOP CIRCUIT
• 4.65. PARKING BRAKE CIRCUIT
• 4.66. SENSORS
• 5. TESTING AND ADJUSTING
• 5.1. STANDARD VALUE TABLE
• 5.2. TESTING AND ADJUSTING
• 5.3. TROUBLESHOOTING
• 6. DISASSEMBLY AND ASSEMBLY
• 6.1. HOW TO READ THIS MANUAL
• 6.2. PRECAUTIONS WHEN PERFORMING OPERATION
• 6.3. SPECIAL TOOL LIST
• 6.4. SKETCHES OF SPECIAL TOOLS
• 6.5. FUEL SUPPLY PUMP ASSEMBLY
• 6.6. FUEL INJECTOR ASSEMBLY
• 6.7. NOZZLE TIP
• 6.8. CYLINDER HEAD ASSEMBLY
• 6.9. RADIATOR ASSEMBLY
• 6.10. AIR AFTERCOOLER ASSEMBLY
• 6.11. COOLONG FAN DRIVE MOTOR
• 6.12. ENGINE ASSEMBLY
• 6.13. STEERING, SWITCH PUMP, COOLING FAN DRIVE PUMP ASSEMBLY
• 6.14. TORQUE CONVERTER CHARGE, WORK EQUIPMENT AND PPC PUMP ASSEMBLY
• 6.15. TORQUE CONVERTER, TRANSMISSION ASSEMBLY
• 6.16. TORQUE CONVERTER ASSEMBLY (STANDARD SPECIFICATIONS)
• 6.17. TORQUE CONVERTER ASSEMBLY (LOCKUP SPECIFICATIONS)
• 6.18. TRANSMISSION ASSEMBLY
• 6.19. TRANSMISSION CLUTCH PACK ASSEMBLY
• 6.20. PARKING BRAKE ASSEMBLY
• 6.21. FRONT AXLE ASSEMBLY
• 6.22. REAR AXLE ASSEMBLY
• 6.23. AXLE HOUSING ASSEMBLY
• 6.24. DIFFERENTIAL ASSEMBLY
• 6.25. CENTER HINGE PIN
• 6.26. STEERING VALVE ASSEMBLY
• 6.27. STEERING VALVE OIL SEAL
• 6.28. ECSS ASSEMBLY
• 6.29. PARKING BRAKE DISC
• 6.30. HYDRAULIC TANK
• 6.31. WORK EQUIPMENT VALVE ASSEMBLY
• 6.32. HYDRAULIC CYLINDER ASSEMBLY
• 6.33. WORK EQUIPMENT ASSEMBLY
• 6.34. COUNTERWEIGHT
• 6.35. FUEL TANK ASSEMBLY
• 6.36. CAB ASSEMBLY
• 6.37. CAB, FLOOR FRAME ASSEMBLY
• 6.38. OPERATORS CAB GLASS (STUCK GLASS)
• 6.39. AIR CONDITIONER UNIT ASSEMBLY
• 6.40. AIR CONDITIONER COMPRESSOR ASSEMBLY
• 6.41. OPERATORS SEAT ASSEMBLY
• 7. OTHERS
• 7.1. WORK EQUIPMENT HYDRAULIC CIRCUIT DIAGRAM
• 7.2. WORK EQUIPMENT HYDRAULIC CIRCUIT DIAGRAM (FOR ELECTRIC WORK EQUIPMENT LEVER)
• 7.3. POWER TRAIN OIL CIRCUIT DIAGRAM (WITHOUT TORQUE CONVERTER LOCKUP CLUTCH)
• 7.4. POWER TRAIN OIL CIRCUIT DIAGRAM (WITH TORQUE CONVERTER LOCKUP CLUTCH)
• 7.5. BRAKE OIL CIRCUIT DIAGRAM
• 7.6. ELECTRICAL CIRCUIT DIAGRAM(1/8)(1/4)
• 7.7. ELECTRICAL CIRCUIT DIAGRAM(1/8)(2/4)
• 7.8. ELECTRICAL CIRCUIT DIAGRAM(1/8)(3/4)
• 7.9. ELECTRICAL CIRCUIT DIAGRAM(1/8)(4/4)
• 7.10. ELECTRICAL CIRCUIT DIAGRAM(2/8)(1/4)
• 7.11. ELECTRICAL CIRCUIT DIAGRAM(2/8)(2/4)
• 7.12. ELECTRICAL CIRCUIT DIAGRAM(2/8)(3/4)
• 7.13. ELECTRICAL CIRCUIT DIAGRAM(2/8)(4/4)
• 7.14. ELECTRICAL CIRCUIT DIAGRAM(3/8)
• 7.15. ELECTRICAL CIRCUIT DIAGRAM(4/8)
• 7.16. ELECTRICAL CIRCUIT DIAGRAM(5/8)
• 7.17. ELECTRICAL CIRCUIT DIAGRAM(6/8)
• 7.18. ELECTRICAL CIRCUIT DIAGRAM(7/8)
• 7.19. ELECTRICAL CIRCUIT DIAGRAM(8/8)