Komatsu WA430-5 Wheel Loader Shop Manual SEBM025406

Description

• Model List:
  • WA430-5 Wheel Loader

• 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. COOLING SYSTEM
• 4.2. ENGINE MOUNT, TRANSMISSION MOUNT
• 4.3. POWER TRAIN
• 4.4. POWER TRAIN SYSTEM DIAGRAM
• 4.5. DRIVE SHAFT (PROPELLER 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(OP)
• 4.21. EMERGENCY STEERING MOTOR(OP)
• 4.22. STEERING CYLINDER
• 4.23. JOYSTICK STEERING LEVER (OP)
• 4.24. STEERING LEVER (OP)
• 4.25. STEERING SWITCH VALVE (OP)
• 4.26. BRAKE PIPING
• 4.27. BRAKE VALVE
• 4.28. CHARGE VALVE
• 4.29. ACCUMULATOR (FOR BRAKE)
• 4.30. BRAKE
• 4.31. PARKING BRAKE CONTROL
• 4.32. PARKING BRAKE
• 4.33. PARKING BRAKE SOLENOID VALVE
• 4.34. PARKING BRAKE EMERGENCY RELEASE VALVE
• 4.35. HYDRAULIC PIPING
• 4.36. WORK EQUIPMENT CONTROL LEVER
• 4.37. HYDRAULIC TANK
• 4.38. TORQUE CONVERTER CHARGING,WORK EQUIPMENT,AND PILOT CONTROL PUMPS
• 4.39. PPC RELIEF VALVE
• 4.40. S .VALVE (OP)
• 4.41. WORK EQUIPMENT CONTROL VALVE
• 4.42. WORK EQUIPMENT PPC VALVE
• 4.43. PPC VALVE (FOR MULTI FUNCTION MONO LEVER)
• 4.44. OPERATION
• 4.45. EPC SOLENOID VALVE(OP)
• 4.46. SHUT OFF VALVE (OP)
• 4.47. ATTACHMENT PPC VALVE(OP)
• 4.48. COOLING FAN MOTOR
• 4.49. COOLING FAN MOTOR DRIVE PUMP
• 4.50. WORK EQUIPMENT LINKAGE
• 4.51. BUCKET
• 4.52. BUCKET POSITIONER,LIFT ARM KICKOUT
• 4.53. WORK EQUIPMENT CYLINDER
• 4.55. AIR CONDITIONER (OP)
• 4.56. MACHINE MONITORING SYSTEM
• 4.57. MACHINE MONITOR
• 4.58. TRANSMISSION CONTROL SYSTEM
• 4.59. TRANSMISSION CONTROLLER
• 4.60. WORK EQUIPMENT CONTROL SYSTEM (OP)
• 4.61. WORK EQUIPMENT CONTROLLER
• 4.62. ELECTRIC TRANSMISSION CONTROL
• 4.63. KICK DOWN,HOLD SWITCH
• 4.64. ENGINE STARTING CIRCUIT
• 4.65. ENGINE STOP CIRCUIT
• 4.66. PREHEATING CIRCUIT
• 4.67. ENGINE POWER MODE SELECTOR CIRCUIT
• 4.68. PARKING BRAKE CIRCUIT
• 4.69. SENSORS
• 5. TESTING AND ADJUSTING
• 5.1. TESTING AND ADJUSTING DATA
• 5.2. STANDARD VALUE TABLE FOR CHASSIS
• 5.3. TESTING AND ADJUSTING
• 5.4. 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. REMOVAL AND INSTALLATION OF FUEL INJECTION PUMP ASSEMBLY
• 6.5. REMOVAL AND INSTALLATION OF NOZZLE HOLDER ASSEMBLY
• 6.6. REMOVAL AND INSTALLATION OF CYLINDER HEAD ASSEMBLY
• 6.7. REMOVAL AND INSTALLATION OF ENGINE ADDEMBLY
• 6.8. REMOVAL AND INSTALLATION OF AFTER COOLER ASSEMBLY
• 6.9. REMOVAL AND INSTALLATION OF RADIATOR, FAN MOTOR AND AFTER COOLER ASSEMBLY
• 6.10. REMOVAL AND INSTALLATION FUEL TANK ASSEMBLY
• 6.11. REMOVAL AND INSTALLATION OF PARKING BRAKE DISC AND PLATE
• 6.12. REMOVAL AND INSTALLATION OF TORQUE CONVERTER AND TRANSMISSION ASSEMBLY
• 6.13. DISASSEMBLY AND ASSEMBLY OF TRANSMISSION ASSEMBLY
• 6.14. DISASSEMBLY AND ASSEMBLY OF TRANSMISSION CLUTCH PACK ASSEMBLY
• 6.15. DISASSEMBLY AND ASSEMBLY OF PARKING BRAKE ASSEMBLY
• 6.16. DISASSEMBLY AND ASSEMBLY OF TORQUE CONVERTER ASSEMBLY (STANDARD SPECIFICATION)
• 6.17. DISASSEMBLY AND ASSEMBLY OF TORQUE CONVERTER ASSEMBLY(LOCKUP SPECIFICATION)
• 6.18. REMOVAL AND INSTALLATION OF FRONT AXLE ASSEMBLY
• 6.19. REMOVAL AND INSTALLATION OF REAR AXLE ASSEMBLY
• 6.20. DISASSEMBLY AND ASSEMBLY OF AXLE HOUSING ASSEMBLY
• 6.21. DISASSEMBLY AND ASSEMBLY OF DIFFERENTIAL ASSEMBLY
• 6.22. REMOVAL AND INSTALLATION OF CENTER HING PIN
• 6.23. REMOVAL AND INSTALLATION OF CAB ASSEMBLY
• 6.24. REMOVAL AND INSTALLATION OF CAB AND FLOOR FRAME ASSEMBLY
• 6.25. REMOVAL AND INSTALLATION OF OPERATORS CAB GLASS(STUCK GLASS)
• 6.26. REMOVAL AND INSTALLATION OF TORQUE CONVERTER WORK EQUIPMENT AND PILOT CONTROL PUMP ASSEMBLY
• 6.27. REMOVAL AND INSTALLATION OF STEERING, SWITCH AND FAN PUMP ASSEMBLY
• 6.28. REMOVAL AND INSTALLATION OF STEERING DEMAND VALVE ASSEMBLY
• 6.29. REMOVAL AND INSTALLATION OF STEERING VALVE OIL SEAL
• 6.30. REMOVAL AND INSTALLATION OF TRAVEL DUMPER VALVE ASSEMBLY
• 6.31. REMOVAL AND INSTALLATION OF WORK EQUIPMENT VALVE ASSEMBLY
• 6.32. REMOVAL AND INSTALLATION OF HYDRAULIC TANK
• 6.33. REMOVAL AND INSTALLATION OF HYDRAULIC TANK
• 6.34. DISASSEMBLY AD ASSEMBLY OF HYDRAULIC CYLINDER
• 6.35. REMOVAL AND INSTALLATION OF COUNTER WEIGHT
• 6.36. REMOVAL AND INSTALLATION OF AIR CONDITIONER UNIT
• 6.37. REMOVAL AND INSTALLATION OF AIR CONDITIONER COMPRESSOR ASSEMBLY
• 6.38. DISASSEMBLY, ASSEMBLY OF OPERATORS SEAT ASSEMBLY
• 7. OTHERS
• 7.1. POWER TRAIN OIL CIRCUIT DIAGRAM(WITHOUT TORQUE CONVERTER LOCKUP CLUTCH)
• 7.2. POWER TRAIN OIL CIRCUIT DIAGRAM(WITH TORQUE CONVERTER LOCKUP CLUTCH)
• 7.3. BRAKE OIL CIRCUIT DIAGRAM
• 7.4. WORK EQUIPMENT HYDRAULIC CIRCUIT DIAGRAM
• 7.5. WORK EQUIPMENT HYDRAULIC CIRCUIT DIAGRAM(FOR ELECTRIC WORK EQUIPMENT LEVER)
• 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)