Komatsu WA470-5, WA480-5 Wheel Loader Shop Manual SEBM024416

Description

• Model List:
  • WA470-5 Wheel Loader
  • WA480-5 Wheel Loader

• 1. COVER
• 2. CONTENTS
• 3. LIST OF REVISED PAGES
• 4. SAFETY
• 4.1. SAFETY NOTICE
• 5. FOREWORD
• 5.1. GENERAL
• 5.2. HOW TO READ THE SHOP MANUAL
• 5.3. HOISTING INSTRUCTIONS
• 5.4. METHOD OF DISASSEMBLING, CONNECTING PUSHPULL TYPE COUPLER
• 5.5. COATING MATERIALS
• 5.6. STANDARD TIGHTENING TORQUE
• 5.7. ELECTRIC WIRE CODE
• 5.8. CONVERSION TABLE
• 5.9. UNITS
• 6. GENERAL
• 6.1. GENERAL ASSEMBLY DRAWING
• 6.2. SPECIFICATIONS
• 6.3. WEIGHT TABLE
• 6.4. LIST OF LUBRICANT AND COOLANT
• 7. STRUCTURE AND FUNCTION, MAINTENANCE STANDARD
• 7.1. RADIATOR, OIL COOLER
• 7.2. ENGINE MOUNT, TRANSMISSION MOUNT
• 7.3. POWER TRAIN
• 7.4. POWER TRAIN SYSTEM DIAGRAM
• 7.5. DRIVE SHAFT
• 7.6. TORQUE CONVERTER,TRANSMISSION PIPING
• 7.7. TORQUE CONVERTER
• 7.8. TRANSMISSION
• 7.9. TRANSMISSION CONTROL VALVE
• 7.10. AXLE
• 7.11. DIFFERENTIAL
• 7.12. FINAL DRIVE
• 7.13. AXLE MOUNTING,CENTER HINGE PIN
• 7.14. STEERING PIPING
• 7.15. STEERING COLUMN, ORBITROLL
• 7.16. STEERING VALVE
• 7.17. ORBITROLL VALVE
• 7.18. STOP VALVE
• 7.19. STEERING PUMP, SWITCH PUMP
• 7.20. EMERGENCY STEERING PUMP (IF EQUIPPED)
• 7.21. EMERGENCY STEERING MOTOR (IF EQUIPPED)
• 7.22. STEERING CYLINDER
• 7.23. JOYSTICK STEERING LEVER (IF EQUIPPED)
• 7.24. STEERING LEVER (IF EQUIPPED)
• 7.25. STEERING SWITCH VALVE (IF EQUIPPED)
• 7.26. BRAKE PIPING
• 7.27. BRAKE VALVE
• 7.28. CHARGE VALVE
• 7.29. ACCUMULATOR (FOR BRAKE)
• 7.30. SLACK ADJUSTER
• 7.31. BRAKE
• 7.32. PARKING BRAKE CONTROL
• 7.33. PARKING BRAKE
• 7.34. PARKING BRAKE SOLENOID VALVE
• 7.35. PARKING BRAKE EMERGENCY RELEASE VALVE
• 7.36. HYDRAULIC PIPING
• 7.37. WORK EQUIPMENT CONTROL LEVER
• 7.38. HYDRAULIC TANK
• 7.39. TORQUE CONVERTER CHARGING,WORK EQUIPMENT,AND PPC PUMPS
• 7.40. PPC RELIEF VALVE
• 7.41. ECSS VALVE (IF EQUIPPED)
• 7.42. WORK EQUIPMENT CONTROL VALVE
• 7.43. PPC VALVE
• 7.44. PPC VALVE (FOR MULTI FUNCTION MONO LEVER)
• 7.45. WORK EQUIPMENT CONTROL EPC VALVE (IF EQUIPPED)
• 7.46. SHUT OFF VALVE (IF EQUIPPED)
• 7.47. COOLING FAN MOTOR
• 7.48. COOLING FAN MOTOR DRIVE PUMP
• 7.49. WORK EQUIPMENT LINKAGE
• 7.50. BUCKET
• 7.51. BUCKET POSITIONER, BOOM KICKOUT
• 7.52. WORK EQUIPMENT CYLINDER
• 7.54. AIR CONDITIONER (IF EQUIPPED)
• 7.55. MACHINE MONITORING SYSTEM
• 7.56. MACHINE MONITOR
• 7.57. TRANSMISSION CONTROL SYSTEM
• 7.58. TRANSMISSION CONTROLLER
• 7.59. WORK EQUIPMENT CONTROL SYSTEM (IF EQUIPPED)
• 7.60. WORK EQUIPMENT CONTROLLER (IF EQUIPPED)
• 7.61. ELECTRIC TRANSMISSION CONTROL
• 7.62. KICK DOWN, HOLD SWITCH
• 7.63. ENGINE STARTING CIRCUIT
• 7.64. ENGINE STOP CIRCUIT
• 7.65. PARKING BRAKE CIRCUIT
• 7.66. SENSORS
• 8. TESTING AND ADJUSTING
• 8.1. STANDARD VALUE TABLE
• 8.2. TESTING AND ADJUSTING
• 8.3. TROUBLESHOOTING
• 9. DISASSEMBLY AND ASSEMBLY
• 9.1. HOW TO READ THIS MANUAL
• 9.2. PRECAUTIONS WHEN PERFORMING OPERATION
• 9.3. SPECIAL TOOL LIST
• 9.4. SKETCHES OF SPECIAL TOOLS
• 9.5. FUEL SUPPLY PUMP ASSEMBLY
• 9.6. FUEL INJECTOR ASSEMBLY
• 9.7. NOZZLE TIP
• 9.8. CYLINDER HEAD ASSEMBLY
• 9.9. RADIATOR ASSEMBLY
• 9.10. AIR AFTERCOOLER ASSEMBLY
• 9.11. COOLONG FAN DRIVE MOTOR
• 9.12. ENGINE ASSEMBLY
• 9.13. STEERING, SWITCH PUMP, COOLING FAN DRIVE PUMP ASSEMBLY
• 9.14. TORQUE CONVERTER CHARGE, WORK EQUIPMENT AND PPC PUMP ASSEMBLY
• 9.15. TORQUE CONVERTER, TRANSMISSION ASSEMBLY
• 9.16. TORQUE CONVERTER ASSEMBLY (STANDARD SPECIFICATIONS)
• 9.17. TORQUE CONVERTER ASSEMBLY (LOCKUP SPECIFICATIONS)
• 9.18. TRANSMISSION ASSEMBLY
• 9.19. TRANSMISSION CLUTCH PACK ASSEMBLY
• 9.20. PARKING BRAKE ASSEMBLY
• 9.21. FRONT AXLE ASSEMBLY
• 9.22. REAR AXLE ASSEMBLY
• 9.23. AXLE HOUSING ASSEMBLY
• 9.24. DIFFERENTIAL ASSEMBLY
• 9.25. CENTER HINGE PIN
• 9.26. STEERING VALVE ASSEMBLY
• 9.27. STEERING VALVE OIL SEAL
• 9.28. ECSS ASSEMBLY
• 9.29. PARKING BRAKE DISC
• 9.30. HYDRAULIC TANK
• 9.31. WORK EQUIPMENT VALVE ASSEMBLY
• 9.32. HYDRAULIC CYLINDER ASSEMBLY
• 9.33. WORK EQUIPMENT ASSEMBLY
• 9.34. COUNTERWEIGHT
• 9.35. FUEL TANK ASSEMBLY
• 9.36. CAB ASSEMBLY
• 9.37. CAB, FLOOR FRAME ASSEMBLY
• 9.38. OPERATORS CAB GLASS (STUCK GLASS)
• 9.39. AIR CONDITIONER UNIT ASSEMBLY
• 9.40. AIR CONDITIONER COMPRESSOR ASSEMBLY
• 9.41. OPERATORS SEAT ASSEMBLY
• 10. OTHERS
• 10.1. WORK EQUIPMENT HYDRAULIC CIRCUIT DIAGRAM
• 10.2. WORK EQUIPMENT HYDRAULIC CIRCUIT DIAGRAM (FOR ELECTRIC WORK EQUIPMENT LEVER)
• 10.3. POWER TRAIN OIL CIRCUIT DIAGRAM (WITHOUT TORQUE CONVERTER LOCKUP CLUTCH)
• 10.4. POWER TRAIN OIL CIRCUIT DIAGRAM (WITH TORQUE CONVERTER LOCKUP CLUTCH)
• 10.5. BRAKE OIL CIRCUIT DIAGRAM
• 10.6. ELECTRICAL CIRCUIT DIAGRAM(1/8)(1/4)
• 10.7. ELECTRICAL CIRCUIT DIAGRAM(1/8)(2/4)
• 10.8. ELECTRICAL CIRCUIT DIAGRAM(1/8)(3/4)
• 10.9. ELECTRICAL CIRCUIT DIAGRAM(1/8)(4/4)
• 10.10. ELECTRICAL CIRCUIT DIAGRAM(2/8)(1/4)
• 10.11. ELECTRICAL CIRCUIT DIAGRAM(2/8)(2/4)
• 10.12. ELECTRICAL CIRCUIT DIAGRAM(2/8)(3/4)
• 10.13. ELECTRICAL CIRCUIT DIAGRAM(2/8)(4/4)
• 10.14. ELECTRICAL CIRCUIT DIAGRAM(3/8)
• 10.15. ELECTRICAL CIRCUIT DIAGRAM(4/8)
• 10.16. ELECTRICAL CIRCUIT DIAGRAM(5/8)
• 10.17. ELECTRICAL CIRCUIT DIAGRAM(6/8)
• 10.18. ELECTRICAL CIRCUIT DIAGRAM(7/8)
• 10.19. ELECTRICAL CIRCUIT DIAGRAM(8/8)
• 10.20. AXLE OIL TEMPERATURE GAUGE ELECTRICAL CIRCUIT DIAGRAM