Komatsu WA450-5L, WA480-5L Wheel Loader Shop Manual CEBM009605

Description

• Model List:
  • WA450-5L Wheel Loader
  • WA480-5L Wheel Loader

• 0.1. GENERAL
• 0.2. HOW TO READ THE SHOP MANUAL
• 0.3. HOISTING INSTRUCTIONS
• 0.4. PUSH PULL COUPLER
• 0.5. COATING MATERIALS
• 0.6. STANDARD TIGHTENING TORQUE
• 0.7. ELECTRIC WIRE CODE
• 0.8. CONVERSION TABLES
• 1. GENERAL
• 1.1. SPECIFICATIONS
• 1.2. WEIGHT TABLE
• 1.3. FUEL, COOLANT AND LUBRICANTS
• 2. STRUCTURE AND FUNCTION
• 2.1. RADIATOR AND OIL COOLER
• 2.2. ENGINE AND TRANSMISSION MOUNT
• 2.3. POWER TRAIN
• 2.4. POWER TRAIN SYSTEM DIAGRAM
• 2.5. DRIVE SHAFT
• 2.6. DRIVE TRAIN PIPING
• 2.7. TORQUE CONVERTER
• 2.8. TRANSMISSION
• 2.9. TRANSMISSION CONTROL VALVE
• 2.10. FINAL DRIVE
• 2.11. CENTER HINGE PIN
• 2.12. STEERING PIPING
• 2.13. STEERING COLUMN
• 2.14. STEERING VALVE
• 2.15. ORBITROL VALVE
• 2.16. STOP VALVE
• 2.17. STEERING AND SWITCH PUMP
• 2.18. AUXILIARY STEERING PUMP
• 2.19. AUXILIARY STEERING MOTOR
• 2.20. STEERING CYLINDER
• 2.21. JOYSTICK STEERING LEVER
• 2.22. BRAKE SYSTEM
• 2.23. HYDRAULIC PIPING
• 2.24. WORK EQUIPMENT CONTROL LEVER
• 2.25. HYDRAULIC TANK
• 2.26. CONVERTER, EQUIPMENT AND PPC PUMPS
• 2.27. PPC RELIEF VALVE
• 2.28. ECSS VALVE
• 2.29. TRAVEL DAMPER VALVE
• 2.30. EQUIPMENT CONTROL VALVE
• 2.31. PPC VALVE FOR TWO LEVERS
• 2.32. PPC VALVE FOR MONO LEVER
• 2.33. BOOM AND BUCKET LINKAGE
• 2.34. BUCKET
• 2.35. BUCKET POSITIONER, BOOM KICK OUT
• 2.36. WORK EQUIPMENT CYLINDER
• 2.38. AIR CONDITIONER
• 2.39. MACHINE MONITORING SYSTEM
• 2.40. MACHINE MONITOR
• 2.41. TRANSMISSION CONTROL SYSTEM
• 2.42. TRANSMISSION CONTROLLER
• 2.43. WORK EQUIPMENT CONTROL SYSTEM
• 2.44. WORK EQUIPMENT CONTROLLER
• 2.45. ELECTRIC TRANSMISSION CONTROL
• 2.46. KICK DOWN HOLD SWITCH
• 2.47. ENGINE START CIRCUIT
• 2.48. ENGINE STOP CIRCUIT
• 2.49. PARKING BRAKE CIRCUIT
• 2.50. TURN SIGNAL AND HAZARD LAMP CIRCUIT
• 2.51. BACK UP LAMP AND STOP LAMP CIRCUIT
• 2.52. SMALL LAMP AND HEAD LAMP CIRCUIT
• 2.53. WORK LAMP CIRCUIT
• 2.54. HORN CIRCUIT
• 2.55. WIPER WASHER CIRCUIT
• 2.56. SENSORS
• 2.57. RELAYS
• 3. TESTING, ADJUSTING AND TROUBLESHOOTING
• 3.1. STANDARD VALUE TABLE FOR ENGINE
• 3.2. STANDARD VALUE TABLE FOR CHASSIS
• 3.3. TOOLS FOR TESTING, ADJUSTING AND TROUBLESHOOTING
• 3.4. ENGINE COMPONENTS
• 3.5. ADJUSTING ACCELERATOR PEDAL
• 3.6. ADJUSTING TRANSMISSION SPEED SENSOR
• 3.7. POWER TRAIN OIL PRESSURE
• 3.8. FLUSHING
• 3.9. TRANSMISSION VALVE FAILS
• 3.10. STEERING CONTROL
• 3.11. STEERING OIL PRESSURE
• 3.12. BRAKE SYSTEM
• 3.13. TESTING HYDRAULIC FAN
• 3.14. ACCUMULATOR CHARGE PRESSURE
• 3.15. PPC OIL PRESSURE
• 3.16. WORK EQUIPMENT HYDRAULIC PRESSURE
• 3.17. BUCKET POSITIONER
• 3.18. LIFT ARM KICKOUT
• 3.19. PROXIMITY SWITCH ACTUATION
• 3.20. ADJUSTING MACHINE MONITOR
• 3.21. LOAD METER
• 3.22. LOAD METER CALIBRATION
• 3.23. BLEEDING AIR
• 3.24. RELEASING REMAINING PRESSURE
• 3.25. HANDLING CONTROLLER HIGHVOLTAGE CIRCUIT
• 3.26. PMCLINIC INSPECTION TABLE
• 3.27. TROUBLESHOOTING GENERAL
• 3.28. TROUBLESHOOTING MACHINE MONITOR
• 3.29. TROUBLESHOOTING OF ENGINE CONTROL SYSTEM (ENG MODE)
• 3.30. TROUBLESHOOTING OF TRANSMISSION CONTROLLER SYSTEM (TM MODE)
• 3.31. TROUBLESHOOTING OF WORK EQUIPMENT CONTROLLER SYSTEM (WRK MODE)
• 3.32. TROUBLESHOOTING MACHINE MONITOR PANEL SYSTEM (MON MODE)
• 3.33. TROUBLESHOOTING OF CHASSIS ELECTRICAL SYSTEM (E MODE)
• 4. DISASSEMBLY AND ASSEMBLY
• 4.1. METHOD OF USING MANUAL
• 4.2. PRECAUTIONS WHEN CARRYING OUT OPERATION
• 4.3. FUEL SUPPLY PUMP ASSEMBLY
• 4.4. NOZZLE HOLDER ASSEMBLY
• 4.5. CYLINDER HEAD ASSEMBLY
• 4.6. RADIATOR ASSEMBLY
• 4.7. AIR AFTERCOOLER ASSEMBLY
• 4.8. COOLING FAN DRIVE MOTOR
• 4.9. ENGINE ASSEMBLY
• 4.10. STEERING, SWITCH, COOLING FAN PUMPS
• 4.11. TORQUE CONVERTER CHARGE, WORK EQUIPMENT AND PPC PUMP ASSEMBLY
• 4.12. TORQUE CONVERTER, TRANSMISSION ASSEMBLY
• 4.13. TORQUE CONVERTER ASSEMBLY (standard)
• 4.14. TORQUE CONVERTER ASSEMBLY (lockup)
• 4.15. TRANSMISSION ASSEMBLY
• 4.16. TRANSMISSION CLUTCH PACK ASSEMBLY
• 4.17. PARKING BRAKE ASSEMBLY
• 4.18. FRONT AXLE ASSEMBLY
• 4.19. REAR AXLE ASSEMBLY
• 4.20. AXLE HOUSING ASSEMBLY
• 4.21. DIFFERENTIAL ASSEMBLY
• 4.22. CENTER HINGE PIN
• 4.23. VALVE ASSEMBLY
• 4.24. TRAVEL DAMPER ASSEMBLY
• 4.25. PARKING BRAKE DISC
• 4.26. HYDRAULIC TANK
• 4.27. WORK EQUIPMENT VALVE ASSEMBLY
• 4.28. HYDRAULIC CYLINDER ASSEMBLY
• 4.29. WORK EQUIPMENT ASSEMBLY
• 4.30. COUNTERWEIGHT
• 4.31. FUEL TANK ASSEMBLY
• 4.32. CAB ASSEMBLY
• 4.33. CAB, FLOOR FRAME ASSEMBLY
• 4.34. AIR CONDITIONER UNIT ASSEMBLY
• 4.35. AIR CONDITIONER COMPRESSOR ASSEMBLY
• 5. OTHERS
• 5.1. BRAKE OIL CIRCUIT DIAGRAM
• 5.2. HYDRAULIC CIRCUIT DIAGRAM FOR POWER TRAIN
• 5.3. HYDRAULIC CIRCUIT DIAGRAM FOR POWER TRAIN
• 5.4. HYDRAULIC CIRCUIT DIAGRAM FOR WORK EQUIPMENT
• 5.5. ELECTRIC CIRCUIT DIAGRAM
• 5.6. FLOOR HARNESS
• 6. ECSS AND LOAD METER SUPPLEMENT
• 6.1. COVER
• 6.2. CONTENTS
• 6.3. ECSS VALVE (OP)
• 6.4. MACHINE MONITOR
• 6.5. TRANSMISSION CONTROLLER
• 6.6. TESTING AND ADJUSTING LOAD METER
• 6.7. TROUBLESHOOTING OF WORK EQUIPMENT CONTROL SYSTEM
• 6.8. TROUBLESHOOTING OF HYDRAULIC, MECHANICAL SYSTEM (H MODE)