Komatsu WA150-5 Wheel Loader Shop Manual SEBM033811

Description

• Model List:
  • WA150-5 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 LIST
• 5.6. STANDARD TIGHTENING TORQUE
• 5.7. ELECTRIC WIRE CODE
• 5.8. CONVERSION TABLE
• 5.9. UNITS
• 6. GENERAL
• 6.1. GENERAL ASSEMBLY DRAWINGS
• 6.2. SPECIFICATIONS
• 6.3. WEIGHT TABLE
• 6.4. LIST OF LUBRICANT AND COOLANT
• 7. STRUCTURE, FUNCTION AND MAINTENANCE STANDARD
• 7.1. ENGINE MOUNT AND TRANSFER MOUNT
• 7.2. DAMPER
• 7.3. COOLING SYSTEM
• 7.4. POWER TRAIN
• 7.5. POWER TRAIN SYSTEM DIAGRAM
• 7.6. DRIVE SHAFT
• 7.7. HST HYDRAULIC PIPING DIAGRAM
• 7.8. HST PUMP
• 7.9. HIGHPRESSURE RELIEF VALVE
• 7.10. LOWPRESSURE RELIEF VALVE
• 7.11. HST CHARGE PUMP
• 7.12. SPEEDRELATED VALVE (DA VALVE)
• 7.13. HIGHPRESSURE CUTOFF VALVE
• 7.14. HST MOTOR
• 7.15. EP SERVO VALVE
• 7.16. HA SERVO VALVE
• 7.17. FORWARDREVERSE SHUTTLE VALVE
• 7.18. TRANSFER
• 7.19. CLUTCH SOLENOID VALVE
• 7.20. AXLE
• 7.21. DIFFERENTIAL
• 7.22. LIMITEDSLIP DIFFERENTIAL
• 7.23. FINAL DRIVE
• 7.24. AXLE MOUNTING AND CENTER HINGE PIN
• 7.25. STEERING PIPING
• 7.26. STEERING COLUMN
• 7.27. PRIORITY VALVE
• 7.28. ORBITROLL VALVE
• 7.29. STEERING CYLINDER
• 7.30. EMERGENCY STEERING PIPING
• 7.31. EMERGENCY STEERING VALVE
• 7.32. BRAKE PIPING
• 7.33. BRAKE VALVE
• 7.34. INCHING VALVE
• 7.35. CHARGE VALVE
• 7.36. ACCUMULATOR (FOR BRAKE)
• 7.37. SLACK ADJUSTER
• 7.38. BRAKE
• 7.39. PARKING BRAKE CONTROL
• 7.40. PARKING BRAKE
• 7.41. HYDRAULIC PIPING
• 7.42. WORK EQUIPMENT LEVER LINKAGE
• 7.43. HYDRAULIC TANK
• 7.44. GEAR PUMP UNIT
• 7.45. ACCUMULATOR (FOR PPC CIRCUIT)
• 7.46. LOCK VALVE
• 7.47. VALVE
• 7.48. ACCUMULATOR (FOR E.C.S.S.)
• 7.49. HYDRAULIC PIPING OF COOLING SYSTEM
• 7.50. COOLING FAN MOTOR
• 7.51. WORK EQUIPMENT CONTROL VALVE
• 7.52. WORK EQUIPMENT PPC VALVE
• 7.53. WORK EQUIPMENT LINKAGE
• 7.54. BUCKET
• 7.55. BUCKET POSITIONER AND BOOM KICKOUT
• 7.56. WORK EQUIPMENT CYLINDER
• 7.57. AIR CONDITIONER
• 7.58. MACHINE MONITORING SYSTEM
• 7.59. MACHINE MONITOR
• 7.60. LIST OF ITEMS DISPLAYED ON MONITOR
• 7.61. ELECTRICAL SYSTEM (HST CONTROLLER SYSTEM)
• 7.62. HST CONTROLLER
• 7.63. KOMTRAX SYSTEM
• 7.64. ENGINE START CIRCUIT
• 7.65. ENGINE STOP CIRCUIT
• 7.66. PREHEATING CIRCUIT (AUTOMATIC PREHEATING SYSTEM)
• 7.67. PARKING BRAKE CIRCUIT
• 7.68. ELECTRONICALLY CONTROLLED SUSPENSION SYSTEM
• 7.69. 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. HOW TO READ THIS MANUAL
• 9.2. PRECAUTIONS WHEN PERFORMING OPERATION
• 9.3. SPECIAL TOOL LIST
• 9.4. SKETCHES OF SPECIAL TOOLS
• 9.5. REMOVAL AND INSTALLATION OF FUEL INJECTION PUMP ASSEMBLY
• 9.6. REMOVAL AND INSTALLATION OF NOZZLE HOLDER
• 9.7. REMOVAL AND INSTALLATION OF CYLINDER HEAD ASSEMBLY
• 9.8. REMOVAL AND INSTALLATION OF ENGINE ASSEMBLY
• 9.9. REMOVAL AND INSTALLATION OF RADIATOR ASSEMBLY
• 9.10. REMOVAL AND INSTALLATION OF AIR AFTERCOOLER
• 9.11. REMOVAL AND INSTALLATION OF HYDRAULIC OIL COOLER ASSEMBLY
• 9.12. REMOVAL AND INSTALLATION OF COOLING FAN AND FAN MOTOR ASSEMBLY
• 9.13. REMOVAL AND INSTALLATION OF FUEL TANK ASSEMBLY
• 9.14. REMOVAL AND INSTALLATION OF TRANSFER ASSEMBLY
• 9.15. DISASSEMBLY AND ASSEMBLY OF TRANSFER ASSEMBLY
• 9.16. REMOVAL AND INSTALLATION OF PARKING BRAKE ASSEMBLY
• 9.17. DISASSEMBLY AND ASSEMBLY OF PARKING BRAKE ASSEMBLY
• 9.18. REMOVAL AND INSTALLATION OF FRONT AXEL ASSEMBLY
• 9.19. REMOVAL AND INSTALLATION OF REAR AXEL ASSEMBLY
• 9.20. DISASSEMBLY AND ASSEMBLY OF AXLE HOUSING ASSEMBLY
• 9.21. DISASSEMBLY AND ASSEMBLY OF DIFFERENTIAL ASSEMBLY
• 9.22. REMOVAL AND INSTALLATION OF HST PUMP AND 3GEAR PUMP ASSEMBLY
• 9.23. REMOVAL AND INSTALLATION OF HST MOTOR 1 ASSEMBLY
• 9.24. REMOVAL AND INSTALLATION OF HST MOTOR 2 ASSEMBLY
• 9.25. REMOVAL AND INSTALLATION OF WORK EQUIPMENT CONTROL VALVE ASSEMBLY
• 9.26. REMOVAL AND INSTALLATION OF TRAVEL DAMPER VALVE ASSEMBLY
• 9.27. REMOVAL AND INSTALLATION OF HYDRAULIC TANK
• 9.28. REMOVAL AND INSTALLATION OF WORK EQUIPMENT ASSEMBLY
• 9.29. DISASSEMBLY AND ASSEMBLY OF HYDRAULIC CYLINDER ASSEMBLY
• 9.30. REMOVAL AND INSTALLATION OF OPERATORS CAB ASSEMBLY
• 9.31. REMOVAL AND INSTALLATION OF OPERATORS CAB GLASS (STUCK GLASS)
• 9.32. REMOVAL AND INSTALLATION OF CENTER HINGE PIN
• 9.33. REMOVAL AND INSTALLATION OF COUNTERWEIGHT
• 9.34. REMOVAL AND INSTALLATION OF AIR CONDITIONER UNIT ASSEMBLY
• 9.35. REMOVAL AND INSTALLATION OF AIR CONDITIONER COMPRESSOR ASSEMBLY
• 9.36. REMOVAL AND INSTALLATION OF MONITOR PANEL
• 9.37. REMOVAL AND INSTALLATION OF HST CONTROLLER ASSEMBLY
• 10. OTHERS
• 10.1. HYDRAULIC CIRCUIT DIAGRAM
• 10.2. ELECTRICAL CIRCUIT DIAGRAM 1/4(1/4)(MACHINES EQUIPPED WITH ROPS CAB)
• 10.3. ELECTRICAL CIRCUIT DIAGRAM 1/4(2/4)(MACHINES EQUIPPED WITH ROPS CAB)
• 10.4. ELECTRICAL CIRCUIT DIAGRAM 1/4(3/4)(MACHINES EQUIPPED WITH ROPS CAB)
• 10.5. ELECTRICAL CIRCUIT DIAGRAM 1/4(4/4)(MACHINES EQUIPPED WITH ROPS CAB)
• 10.6. ELECTRICAL CIRCUIT DIAGRAM 2/4(MACHINES EQUIPPED WITH ROPS CAB)
• 10.7. ELECTRICAL CIRCUIT DIAGRAM 3/4(MACHINES EQUIPPED WITH ROPS CAB)
• 10.8. ELECTRICAL CIRCUIT DIAGRAM 4/4(MACHINES EQUIPPED WITH ROPS CAB)
• 10.9. ELECTRICAL CIRCUIT DIAGRAM 1/4(1/4)(MACHINES EQUIPPED WITH ROPS CANOPY)
• 10.10. ELECTRICAL CIRCUIT DIAGRAM 1/4(2/4)(MACHINES EQUIPPED WITH ROPS CANOPY)
• 10.11. ELECTRICAL CIRCUIT DIAGRAM 1/4(3/4)(MACHINES EQUIPPED WITH ROPS CANOPY)
• 10.12. ELECTRICAL CIRCUIT DIAGRAM 1/4(4/4)(MACHINES EQUIPPED WITH ROPS CANOPY)
• 10.13. ELECTRICAL CIRCUIT DIAGRAM 2/4(MACHINES EQUIPPED WITH ROPS CANOPY)
• 10.14. ELECTRICAL CIRCUIT DIAGRAM 3/4(MACHINES EQUIPPED WITH ROPS CANOPY)
• 10.15. ELECTRICAL CIRCUIT DIAGRAM 4/4(MACHINES EQUIPPED WITH ROPS CANOPY)