Komatsu WA150-5 Wheel Loader Shop Manual SEBM033805

Description

• Model List:
  • WA150-5 Wheel Loader

• 1. COVER
• 2. CONTENTS
• 3. GENERAL
• 3.1. GENERAL ASSEMBLY DRAWINGS
• 3.2. SPECIFICATIONS
• 3.3. WEIGHT TABLE
• 3.4. LIST OF LUBRICANT AND COOLANT
• 4. STRUCTURE, FUNCTION AND MAINTENANCE STANDARD
• 4.1. ENGINE MOUNT AND TRANSFER MOUNT
• 4.2. DAMPER
• 4.3. COOLING SYSTEM
• 4.4. POWER TRAIN
• 4.5. POWER TRAIN SYSTEM DIAGRAM
• 4.6. DRIVE SHAFT
• 4.7. HST HYDRAULIC PIPING DIAGRAM
• 4.8. HST PUMP
• 4.9. HIGHPRESSURE RELIEF VALVE
• 4.10. LOWPRESSURE RELIEF VALVE
• 4.11. HST CHARGE PUMP
• 4.12. SPEEDRELATED VALVE (DA VALVE)
• 4.13. HIGHPRESSURE CUTOFF VALVE
• 4.14. HST MOTOR
• 4.15. EP SERVO VALVE
• 4.16. HA SERVO VALVE
• 4.17. FORWARDREVERSE SHUTTLE VALVE
• 4.18. TRANSFER
• 4.19. CLUTCH SOLENOID VALVE
• 4.20. AXLE
• 4.21. DIFFERENTIAL
• 4.22. LIMITEDSLIP DIFFERENTIAL
• 4.23. FINAL DRIVE
• 4.24. AXLE MOUNTING AND CENTER HINGE PIN
• 4.25. STEERING PIPING
• 4.26. STEERING COLUMN
• 4.27. PRIORITY VALVE
• 4.28. ORBITROLL VALVE
• 4.29. STEERING CYLINDER
• 4.30. EMERGENCY STEERING PIPING
• 4.31. EMERGENCY STEERING VALVE
• 4.32. BRAKE PIPING
• 4.33. BRAKE VALVE
• 4.34. INCHING VALVE
• 4.35. CHARGE VALVE
• 4.36. ACCUMULATOR (FOR BRAKE)
• 4.37. SLACK ADJUSTER
• 4.38. BRAKE
• 4.39. PARKING BRAKE CONTROL
• 4.40. PARKING BRAKE
• 4.41. HYDRAULIC PIPING
• 4.42. WORK EQUIPMENT LEVER LINKAGE
• 4.43. HYDRAULIC TANK
• 4.44. GEAR PUMP UNIT
• 4.45. ACCUMULATOR (FOR PPC CIRCUIT)
• 4.46. LOCK VALVE
• 4.47. VALVE
• 4.48. ACCUMULATOR (FOR E.C.S.S.)
• 4.49. HYDRAULIC PIPING OF COOLING SYSTEM
• 4.50. COOLING FAN MOTOR
• 4.51. WORK EQUIPMENT CONTROL VALVE
• 4.52. WORK EQUIPMENT PPC VALVE
• 4.53. WORK EQUIPMENT LINKAGE
• 4.54. BUCKET
• 4.55. BUCKET POSITIONER AND BOOM KICKOUT
• 4.56. WORK EQUIPMENT CYLINDER
• 4.57. AIR CONDITIONER
• 4.58. MACHINE MONITORING SYSTEM
• 4.59. MACHINE MONITOR
• 4.60. LIST OF ITEMS DISPLAYED ON MONITOR
• 4.61. ELECTRICAL SYSTEM (HST CONTROLLER SYSTEM)
• 4.62. HST CONTROLLER
• 4.63. ENGINE START CIRCUIT
• 4.64. ENGINE STOP CIRCUIT
• 4.65. PREHEATING CIRCUIT (AUTOMATIC PREHEATING SYSTEM)
• 4.66. PARKING BRAKE CIRCUIT
• 4.67. ELECTRONICALLY CONTROLLED SUSPENSION SYSTEM
• 4.68. SENSORS
• 5. TESTING AND ADJUSTING
• 5.1. STANDARD VALUE TABLE FOR ENGINE
• 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. SKETCHES OF SPECIAL TOOLS
• 6.5. REMOVAL AND INSTALLATION OF FUEL INJECTION PUMP ASSEMBLY
• 6.6. REMOVAL AND INSTALLATION OF NOZZLE HOLDER
• 6.7. REMOVAL AND INSTALLATION OF CYLINDER HEAD ASSEMBLY
• 6.8. REMOVAL AND INSTALLATION OF ENGINE ASSEMBLY
• 6.9. REMOVAL AND INSTALLATION OF RADIATOR ASSEMBLY
• 6.10. REMOVAL AND INSTALLATION OF AIR AFTERCOOLER
• 6.11. REMOVAL AND INSTALLATION OF HYDRAULIC OIL COOLER ASSEMBLY
• 6.12. REMOVAL AND INSTALLATION OF COOLING FAN AND FAN MOTOR ASSEMBLY
• 6.13. REMOVAL AND INSTALLATION OF FUEL TANK ASSEMBLY
• 6.14. REMOVAL AND INSTALLATION OF TRANSFER ASSEMBLY
• 6.15. DISASSEMBLY AND ASSEMBLY OF TRANSFER ASSEMBLY
• 6.16. REMOVAL AND INSTALLATION OF PARKING BRAKE ASSEMBLY
• 6.17. DISASSEMBLY AND ASSEMBLY OF PARKING BRAKE ASSEMBLY
• 6.18. REMOVAL AND INSTALLATION OF FRONT AXEL ASSEMBLY
• 6.19. REMOVAL AND INSTALLATION OF REAR AXEL ASSEMBLY
• 6.20. DISASSEMBLY AND ASSEMBLY OF AXLE HOUSING ASSEMBLY
• 6.21. DISASSEMBLY AND ASSEMBLY OF DIFFERENTIAL ASSEMBLY
• 6.22. REMOVAL AND INSTALLATION OF HST PUMP AND 3GEAR PUMP ASSEMBLY
• 6.23. REMOVAL AND INSTALLATION OF HST MOTOR 1 ASSEMBLY
• 6.24. REMOVAL AND INSTALLATION OF HST MOTOR 2 ASSEMBLY
• 6.25. REMOVAL AND INSTALLATION OF WORK EQUIPMENT CONTROL VALVE ASSEMBLY
• 6.26. REMOVAL AND INSTALLATION OF TRAVEL DAMPER VALVE ASSEMBLY
• 6.27. REMOVAL AND INSTALLATION OF HYDRAULIC TANK
• 6.28. REMOVAL AND INSTALLATION OF WORK EQUIPMENT ASSEMBLY
• 6.29. DISASSEMBLY AND ASSEMBLY OF HYDRAULIC CYLINDER ASSEMBLY
• 6.30. REMOVAL AND INSTALLATION OF OPERATORS CAB ASSEMBLY
• 6.31. REMOVAL AND INSTALLATION OF OPERATORS CAB GLASS (STUCK GLASS)
• 6.32. REMOVAL AND INSTALLATION OF CENTER HINGE PIN
• 6.33. REMOVAL AND INSTALLATION OF COUNTERWEIGHT
• 6.34. REMOVAL AND INSTALLATION OF AIR CONDITIONER UNIT ASSEMBLY
• 6.35. REMOVAL AND INSTALLATION OF AIR CONDITIONER COMPRESSURE ASSEMBLY
• 6.36. REMOVAL AND INSTALLATION OF MONITOR PANEL
• 6.37. REMOVAL AND INSTALLATION OF HST CONTROLLER ASSEMBLY
• 7. OTHERS
• 7.1. HYDRAULIC CIRCUIT DIAGRAM
• 7.2. ELECTRICAL CIRCUIT DIAGRAM 1/4(1/4)(MACHINES EQUIPPED WITH ROPS CAB)
• 7.3. ELECTRICAL CIRCUIT DIAGRAM 1/4(2/4)(MACHINES EQUIPPED WITH ROPS CAB)
• 7.4. ELECTRICAL CIRCUIT DIAGRAM 1/4(3/4)(MACHINES EQUIPPED WITH ROPS CAB)
• 7.5. ELECTRICAL CIRCUIT DIAGRAM 1/4(4/4)(MACHINES EQUIPPED WITH ROPS CAB)
• 7.6. ELECTRICAL CIRCUIT DIAGRAM 2/4(MACHINES EQUIPPED WITH ROPS CAB)
• 7.7. ELECTRICAL CIRCUIT DIAGRAM 3/4(MACHINES EQUIPPED WITH ROPS CAB)
• 7.8. ELECTRICAL CIRCUIT DIAGRAM 4/4(MACHINES EQUIPPED WITH ROPS CAB)
• 7.9. ELECTRICAL CIRCUIT DIAGRAM 1/4(1/4)(MACHINES EQUIPPED WITH ROPS CANOPY)
• 7.10. ELECTRICAL CIRCUIT DIAGRAM 1/4(2/4)(MACHINES EQUIPPED WITH ROPS CANOPY)
• 7.11. ELECTRICAL CIRCUIT DIAGRAM 1/4(3/4)(MACHINES EQUIPPED WITH ROPS CANOPY)
• 7.12. ELECTRICAL CIRCUIT DIAGRAM 1/4(4/4)(MACHINES EQUIPPED WITH ROPS CANOPY)
• 7.13. ELECTRICAL CIRCUIT DIAGRAM 2/4(MACHINES EQUIPPED WITH ROPS CANOPY)
• 7.14. ELECTRICAL CIRCUIT DIAGRAM 3/4(MACHINES EQUIPPED WITH ROPS CANOPY)
• 7.15. ELECTRICAL CIRCUIT DIAGRAM 4/4(MACHINES EQUIPPED WITH ROPS CANOPY)