Komatsu WA380-5 Wheel Loader Shop Manual SEBM024713

Description

• Model List:
  • WA380-5 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. COOLING SYSTEM
• 7.2. ENGINE MOUNT, TRANSMISSION MOUNT
• 7.3. POWER TRAIN
• 7.4. POWER TRAIN SYSTEM DIAGRAM
• 7.5. DRIVE SHAFT (PROPELLER 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. BRAKE
• 7.31. PARKING BRAKE CONTROL
• 7.32. PARKING BRAKE
• 7.33. PARKING BRAKE SOLENOID VALVE
• 7.34. PARKING BRAKE EMERGENCY RELEASE VALVE
• 7.35. HYDRAULI PIPING
• 7.36. WORK EQUIPMENT CONTROL LEVER
• 7.37. HYDRAULIC TANK
• 7.38. TORQUE CONVERTER CHARGING, WORK EQUIPMENT, AND PILOT CONTROL PUMPS
• 7.39. PPC RELIEF VALVE
• 7.40. VALVE (IF EQUIPPED)
• 7.41. WORK EQUIPMENT CONTROL VALVE
• 7.42. WORK EQUIPMENT PPC VALVE
• 7.43. PPC VALVE (FOR MULTI FUNCTION MONO LEVER)
• 7.44. EPC SOLENOID VALVE (IF EQUIPPED)
• 7.45. SHUT OFF VALVE (IF EQUIPPED)
• 7.46. ATTACHMENT PPC 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, LIFT ARM 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. PREHEATING CIRCUIT
• 7.66. ENGINE POWER MODE SELECTOR CIRCUIT
• 7.67. PARKING BRAKE CIRCUIT
• 7.68. SENSORS
• 8. TESTING AND ADJUSTING
• 8.1. STANDARD VALUE TABLE FOR ENGINE
• 8.2. STANDARD VALUE TABLE FOR CHASSIS
• 8.3. TESTING AND ADJUSTING
• 8.4. TROUBLESHOOTING
• 9. DISASSEMBLY AND ASSEMBLY
• 9.1. METHOD OF USING MANUAL
• 9.2. PRECAUTIONS WHEN CARRYING OUT OPERATION
• 9.3. SPECIAL TOOL LIST
• 9.4. REMOVAL AND INSTALLATION OF ENGINE ASSEMBLY
• 9.5. REMOVAL AND INSTALLATION OF CYLINDER HEAD ASSEMBLY
• 9.6. REMOVAL AND INSTALLATION OF RADIATOR AND FAN MOTOR ASSEMBLY
• 9.7. REMOVAL AND INSTALLATION OF AFTERCOOLER ASSEMBLY
• 9.8. REMOVAL AND INSTALLATION OF FUEL INJECTION PUMP
• 9.9. REMOVAL AND INSTALLATION OF NOZZLE HOLDER ASSEMBLY
• 9.10. REMOVAL AND INSTALLATION OF FAN AND MOTOR ASSEMBLY
• 9.11. REMOVAL AND INSTALLATION OF FUEL TANK ASSEMBLY
• 9.12. REMOVAL AND INSTALLATION OF PARKING BRAKE DISC PLATE
• 9.13. REMOVAL AND INSTALLATION OF TORQUE CONVERTER AND TRANSMISSION ASSEMBLY
• 9.14. DISASSEMBLY AND ASSEMBLY OF TRANSMISSION ASSEMBLY
• 9.15. DISASSEMBLY AND ASSEMBLY OF TRANSMISSION CLUTCH PACK ASSEMBLY
• 9.16. DISASSEMBLY AND ASSEMBLY OF PARKING BRAKE ASSEMBLY
• 9.17. DISASSEMBLY AND ASSEMBLY OF TORQUE CONVERTER ASSEMBLY (STANDARD SPECIFICATION)
• 9.18. DISASSEMBLY AND ASSEMBLY OF TORQUE CONVERTER ASSEMBLY (LOCKUP SPECIFICATION)
• 9.19. REMOVAL AND INSTALLATION OF REAR AXLE ASSEMBLY
• 9.20. REMOVAL AND INSTALLATION OF FRONT AXLE ASSEMBLY
• 9.21. DISASSEMBLY AND ASSEMBLY OF AXLE HOUSING ASSEMBLY
• 9.22. DISASSEMBLY AND ASSEMBLY OF DIFFERENTIAL ASSEMBLY
• 9.23. REMOVAL AND INSTALLATION OF CENTER HINGE PIN
• 9.24. REMOVAL AND INSTALLATION OF CAB ASSEMBLY
• 9.25. REMOVAL AND INSTALLATION OF CAB AND FLOOR FRAME ASSEMBLY
• 9.26. REMOVAL AND INSTALLATION OF TRANSMISSION OF OPERATORS CAB GLASS (STUCK GLASS)
• 9.27. REMOVAL AND INSTALLATION OF TRANSMISSION, WORK EQUIPMENT, AND PPC PUMP ASSEMBLY
• 9.28. REMOVAL AND INSTALLATION OF STEERING, SWITCHING, AND FAN PUMP ASSEMBLY
• 9.29. REMOVAL AND INSTALLATION OF STEERING DEMAND VALVE ASSEMBLY
• 9.30. REMOVAL AND INSTALLATION OF STEERING VALVE OIL SEAL
• 9.31. REMOVAL AND INSTALLATION OF E.C.S.S. VALVE ASSEMBLY
• 9.32. REMOVAL AND INSTALLATION OF WORK EQUIPMENT VALVE ASSEMBLY
• 9.33. DISASSEMBLY AND ASSEMBLY OF HYDRAULIC CYLINDER ASSEMBLY (STEERING, LIFT, AND BUCKET CYLINDER ASSEMBLY)
• 9.34. REMOVAL AND INSTALLATION OF HYDRAULIC TANK ASSEMBLY
• 9.35. REMOVAL AND INSTALLATION OF WORK EQUIPMENT ASSEMBLY
• 9.36. REMOVAL AND INSTALLATION OF COUNTER WEIGHT
• 9.37. REMOVAL AND INSTALLATION OF AIR CONDITIONER UNIT ASSEMBLY
• 9.38. REMOVAL AND INSTALLATION OF AIR CONDITIONER COMPRESSOR ASSEMBLY
• 9.39. DISASSEMBLY, ASSEMBLY OF OPERATORS SEAT ASSEMBLY
• 10. OTHERS
• 10.1. POWER TRAIN OIL CIRCUIT DIAGRAM (WITHOUT TORQUE CONVERTER LOCKUP CLUTCH)
• 10.2. POWER TRAIN OIL CIRCUIT DIAGRAM (WITH TORQUE CONVERTER LOCKUP CLUTCH)
• 10.3. BRAKE OIL CIRCUIT DIAGRAM
• 10.4. WORK EQUIPMENT HYDRAULIC CIRCUIT DIAGRAM
• 10.5. WORK EQUIPMENT HYDRAULIC CIRCUIT DIAGRAM (FOR ELECTRIC WORK EQUIPMENT LEVER)
• 10.6. ELECTRICAL CIRCUIT DIAGRAM