Komatsu WA380-5L Wheel Loader Shop Manual CEBM009703

Description

• Model List:
  • WA380-5L 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
• 1.4. GENERAL ASSEMBLY DRAWING
• 2. STRUCTURE, FUNCTION AND MAINTENANCE STANDARD
• 2.1. COOLING SYSTEM
• 2.2. ENGINE MOUNT, TRANSMISSION MOUNT
• 2.3. POWER TRAIN
• 2.4. POWER TRAIN SYSTEM DIAGRAM
• 2.5. DRIVE SHAFT (PROPELLER SHAFT)
• 2.6. TORQUE CONVERTER, TRANSMISSION PIPING
• 2.7. TORQUE CONVERTER
• 2.8. TRANSMISSION
• 2.9. TRANSMISSION CONTROL VALVE
• 2.10. AXLE
• 2.11. DIFFERENTIAL
• 2.12. FINAL DRIVE
• 2.13. AXLE MOUNTING, CENTER HINGE PIN
• 2.14. STEERING PIPING
• 2.15. STEERING COLUMN, ORBIT ROLL
• 2.16. STEERING VALVE
• 2.17. ORBITROLL VALVE
• 2.18. STOP VALVE
• 2.19. STEERING PUMP, SWITCH PUMP
• 2.20. EMERGENCY STEERING PUMP
• 2.21. EMERGENCY STEERING MOTOR
• 2.22. STEERING CYLINDER
• 2.23. JOYSTICK STEERING
• 2.24. BRAKE PIPING
• 2.25. BRAKE VALVE
• 2.26. CHARGE VALVE
• 2.27. ACCUMULATOR BRAKE
• 2.28. PARKING BRAKE CONTROL
• 2.29. PARKING BRAKE
• 2.30. HYDRAULIC PIPING
• 2.31. WORK EQUIPMENT CONTROL LEVER
• 2.32. HYDRAULIC TANK
• 2.33. TORQUE CONVERTER CHARGING, WORK EQUIPMENT, AND PILOT CONTROL PUMPS
• 2.34. PPC RELIEF VALVE
• 2.35. VALVE (If Equipped)
• 2.36. WORK EQUIPMENT CONTROL VALVE
• 2.37. WORK EQUIPMENT PPC VALVE
• 2.38. PPC VALVE (FOR MULTI FUNCTION MONO LEVER)
• 2.39. EPC SOLENOID VALVE (If equipped)
• 2.40. SHUT OFF VALVE (If equipped)
• 2.41. ATTACHMENT PPC VALVE (If equipped)
• 2.42. COOLING FAN MOTOR
• 2.43. COOLING FAN MOTOR DRIVE PUMP
• 2.44. WORK EQUIPMENT LINKAGE
• 2.45. BUCKET
• 2.46. BUCKET POSITIONER, BOOM KICKOUT
• 2.47. WORK EQUIPMENT CYLINDER
• 2.49. AIR CONDITIONER
• 2.50. MACHINE MONITORING SYSTEM
• 2.51. MACHINE MONITOR
• 2.52. TRANSMISSION CONTROL SYSTEM
• 2.53. TRANSMISSION CONTROLLER
• 2.54. WORK EQUIPMENT CONTROL SYSTEM
• 2.55. WORK EQUIPMENT CONTROLLER
• 2.56. ELECTRIC TRANSMISSION CONTROL
• 2.57. KICK DOWN, HOLD SWITCH
• 2.58. ENGINE STARTING CIRCUIT
• 2.59. ENGINE STOP CIRCUIT
• 2.60. PREHEATING CIRCUIT
• 2.61. ENGINE POWER MODE SELECTOR CIRCUIT
• 2.62. PARKING BRAKE CIRCUIT
• 2.63. SENSORS
• 3. STANDARD VALUE TABLES
• 3.1. STANDARD SERVICE VALUE TABLE
• 3.2. TOOLS FOR TESTING, ADJUSTING, AND TROUBLESHOOTING
• 4. TESTING AND ADJUSTING
• 4.1. ENGINE COMPONENTS
• 4.2. ADJUSTING ACCELERATOR PEDAL
• 4.3. ADJUSTING TRANSMISSION SPEED SENSOR
• 4.4. POWER TRAIN OIL PRESSURE
• 4.5. FLUSHING TORQUE CONVERTER, TRANSMISSION AND HYDRAULIC CIRCUIT
• 4.6. TRANSMISSION VALVE FAILS
• 4.7. STEERING CONTROL
• 4.8. STEERING OIL PRESSURE
• 4.9. TESTING HYDRAULIC FAN
• 4.10. BRAKE SYSTEM
• 4.11. ACCUMULATOR CHARGE PRESSURE
• 4.12. PPC OIL PRESSURE
• 4.13. WORK EQUIPMENT HYDRAULIC PRESSURE
• 4.14. BUCKET POSITIONER
• 4.15. BOOM KICKOUT
• 4.16. PROXIMITY SWITCH ACTUATION
• 4.17. ADJUSTING MACHINE MONITOR
• 4.18. LOAD METER
• 4.19. BLEEDING AIR
• 4.20. RELEASING REMAINING PRESSURE
• 4.21. PMCLINIC INSPECTION TABLE
• 5. TROUBLESHOOTING
• 5.1. POINTS TO REMEMBER WHEN TROUBLESHOOTING
• 5.2. SEQUENCE OF EVENTS IN TROUBLESHOOTING
• 5.3. PRECAUTIONS WHEN CARRYING OUT MAINTENANCE
• 5.4. ELECTRIC WIRE CODE
• 5.5. CHECKS BEFORE TROUBLESHOOTING
• 5.6. SPECIAL FUNCTIONS OF MACHINE MONITOR
• 5.7. CONNECTION TABLE FOR CONNECTOR PIN NUMBERS
• 5.8. TADAPTER TABLE
• 5.9. CONNECTOR TYPES AND LOCATIONS
• 5.10. CONNECTOR LAYOUT DRAWING
• 5.11. TRANSMISSION CONTROL SYSTEM DIAGRAM
• 5.12. TRANSMISSION CONTROL SYSTEM (TM MODE)
• 5.13. WORK EQUIPMENT CONTROL SYSTEM (WRK MODE)
• 5.14. MONITOR SYSTEM (MON MODE)
• 5.15. HYDRAULIC AND MECHINCAL SYSTEMS (H MODE)
• 5.16. ELECTRICAL SYSTEM (E MODE)
• 5.17. ENGINE SYSTEM (SMODE)
• 6. DISASSEMBLY AND ASSEMBLY
• 6.1. HOW TO READ THIS MANUAL
• 6.2. SPECIAL TOOLS LIST
• 6.3. CONNECTOR REPAIR PROCEDURES
• 6.4. BULKHEAD ASSEMBLY
• 6.5. ENGINE HOOD ASSEMBLY
• 6.6. ENGINE ASSEMBLY
• 6.7. ENGINE CYLINDER HEAD ASSEMBLY
• 6.8. RADIATOR FAN MOTOR
• 6.9. AFTERCOOLER
• 6.10. FUEL INJECTION PUMP
• 6.11. NOZZLE HOLDER
• 6.12. FAN AND FAN MOTOR
• 6.13. FUEL TANK
• 6.14. PARKING BRAKE DISCS AND PLATES
• 6.15. TORQUE CONVERTER AND TRANSMISSION
• 6.16. TRANSMISSION ASSEMBLY
• 6.17. TRANSMISSION CLUTCH PACK
• 6.18. PARKING BRAKE
• 6.19. TORQUE CONVERTER (STANDARD)
• 6.20. TORQUE CONVERTER (LOCKUP)
• 6.21. CENTER HINGE PIN
• 6.22. CAB ASSEMBLY
• 6.23. CAB AND FLOOR FRAME
• 6.24. OPERATORS CAB GLASS (SEALED GLASS)
• 6.25. HYDRAULIC PUMP ASSEMBLY
• 6.26. STEERING DEMAND VALVE ASSEMBLY
• 6.27. WORK EQUIPMENT VALVE
• 6.28. HYDRAULIC CYLINDERS
• 6.29. HYDRAULIC TANK ASSEMBLY
• 6.30. AIR CONDITIONER ASSEMBLY
• 6.31. AIR CONDITIONER COMPRESSOR
• 6.32. OPERATORS SEAT ASSEMBLY
• 7. OTHERS
• 7.1. POWER TRAIN OIL CIRCUIT DIAGRAM
• 7.2. BRAKE OIL CIRCUIT DIAGRAM
• 7.3. HYDRAULIC CIRCUIT SCHEMATIC
• 7.4. ELECTRICAL SCHEMATIC