Komatsu WD900-3 Wheel Loader Shop Manual SEBM036908

Description

• Model List:
  • WD900-3 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 WATER
• 4. STRUCTURE AND FUNCTION
• 4.1. POWER TRAIN
• 4.2. POWER TRAIN SYSTEM
• 4.3. ENGINE CONTROL
• 4.4. SERVO CYLINDER
• 4.5. RADIATOR AND COOLER
• 4.6. DAMPER
• 4.7. TORQUE CONVERTER AND TRANSMISSION PIPING
• 4.8. TRANSMISSION HYDRAULIC SYSTEM DIAGRAM
• 4.9. TRANSMISSION HYDRAULIC CIRCUIT DIAGRAM
• 4.10. TORQUE CONVERTER
• 4.11. TRANSMISSION
• 4.12. TRANSFER
• 4.13. TRANSMISSION CONTROL VALVE
• 4.14. TORQUE CONVERTER OIL COOLER
• 4.15. DRIVE SHAFT
• 4.16. CENTER SUPPORT
• 4.17. AXLE
• 4.18. FINAL DRIVE
• 4.19. CENTER HINGE PIN
• 4.20. AXLE MOUNT
• 4.21. TIRE AND WHEEL
• 4.22. STEERING PIPING DIAGRAM
• 4.23. STEERING COLUMN
• 4.24. STEERING PUMP
• 4.25. SWITCH PUMP
• 4.26. STEERING DEMAND VALVE
• 4.27. STEERING UNIT (ORBITROLL VALVE)
• 4.28. PROPORTIONAL SOLENOID VALVE
• 4.29. TOWWAY RESTRICTOR VALVE
• 4.30. DIVERTER VALVE
• 4.31. BRAKE PIPING
• 4.32. BRAKE CIRCUIT DIAGRAM
• 4.33. BRAKE VALVE
• 4.34. CHARGE VALVE
• 4.35. ACCUMULATOR (FOR BRAKE)
• 4.36. SLACK ADJUSTER
• 4.37. BRAKE
• 4.38. PARKING BRAKE
• 4.39. SPRING CYLINDER
• 4.40. PARKING BRAKE SOLENOID VALVE
• 4.41. HYDRAULIC PIPING
• 4.42. WORK EQUIPMENT SOLENOID VALVE
• 4.43. WORK EQUIPMENT LEVER LINKAGE
• 4.44. HYDRAULIC TANK
• 4.45. MAIN PISTON PUMP
• 4.46. ES VALVE(ENGINE SENSING VALVE)
• 4.47. SERVO VALVE
• 4.48. PPC VALVE(PROPORTIONAL PRESSURE VALVE)
• 4.49. PPC RELIEF VALVE
• 4.50. ACCUMULATOR (FOR PPC VALVE)
• 4.51. MAIN CONTROL VALVE
• 4.52. LUBRICATION OF WORK EQUIPMENT
• 4.53. WORK EQUIPMENT LINKAGE
• 4.55. ROPS CANOPY
• 4.56. AIR CONDITIONER
• 4.57. MACHINE MONITOR SYSTEM
• 4.58. MAIN MONITOR
• 4.59. MAINTENANCE MONITOR
• 4.60. ENGINE STARTING CIRCUIT
• 4.61. ENGINE STOP CIRCUIT
• 4.62. ELECTRICAL TRANSMISSION CONTROL
• 4.63. BLADE CONTROL SWITCH(KICKDOWN,HOLD SWITCH)
• 4.64. JOYSTICK STEERING SYSTEM
• 4.65. TRANSMISSION AND JOYSTICK STEERING CONTROLLER
• 4.66. ELECTRIC PARKING BRAKE CONTROL
• 4.67. BRAKE COOLING SYSTEM
• 4.68. SPECIFICATION
• 5. TESTING AND ADJUSTING
• 5.1. STANDARD VALUE TABLE FOR ENGINE
• 5.2. STANDARD VALUE TABLE FOR CHASSIS
• 5.3. STANDARD VALUE TABLE FOR ELECTRICAL PARTS
• 5.4. TESTING AND ADJUSTING
• 5.5. TROUBLESHOOTING
• 6. DISASSEMBLY AND ASSEMBLY
• 6.1. METHOD OF USING MANUAL
• 6.2. PRECAUTIONS WHEN CARRYING OUT OPERATION
• 6.3. SPECIAL TOOL LIST
• 6.4. SKETCHES OF SPECIAL TOOLS
• 6.5. REMOVAL AND INSTALLATION OF STARTING MOTOR
• 6.6. REMOVAL AND INSTALLATION OF ALTERNATOR
• 6.7. REMOVAL AND INSTALLATION OF ENGINE OIL COOLER
• 6.8. REMOVAL AND INSTALLATION OF FUEL INJECTION PUMP FOR LEFT BANK
• 6.9. REMOVAL AND INSTALLATION OF FUEL INJECTION PUMP FOR RIGHT BANK
• 6.10. REMOVAL AND INSTALLATION OF WATER PUMP
• 6.11. REMOVAL AND INSTALLATION OF NOZZLE HOLDER
• 6.12. REMOVAL AND INSTALLATION OF TURBOCHARGER
• 6.13. REMOVAL AND INSTALLATION OF ENGINE FRONT SEAL
• 6.14. REMOVAL AND INSTALLATION OF ENGINE REAR SEAL
• 6.15. REMOVAL AND INSTALLATION OF CYLINDER HEAD
• 6.16. REMOVAL AND INSTALLATION OF RADIATOR
• 6.17. REMOVAL AND INSTALLATION OF ENGINE
• 6.18. REMOVAL AND INSTALLATION OF DAMPER
• 6.19. DISASSEMBLY AND ASSEMBLY OF DAMPER
• 6.20. REMOVAL AND INSTALLATION OF TORQUE CONVERTER AND TRANSMISSION ASSEMBLY
• 6.21. DISASSEMBLY AND ASSEMBLY OF TORQUE CONVERTER
• 6.22. DISASSEMBLY AND ASSEMBLY OF TORQUE CONVERTER VALVE
• 6.23. DISASSEMBLY AND ASSEMBLY OF TRANSMISSION
• 6.24. REMOVAL AND INSTALLATION OF TRANSMISSION VALVE
• 6.25. DISASSEMBLY AND ASSEMBLY OF TRANSMISSION VALVE
• 6.26. DISASSEMBLY AND ASSEMBLY OF TRANSFER
• 6.27. DISASSEMBLY AND ASSEMBLY OF PTO
• 6.28. REMOVAL AND INSTALLATION OF CENTER SUPPORT
• 6.29. DISASSEMBLY AND ASSEMBLY OF CENTER SOPPORT
• 6.30. DISASSEMBLY AND ASSEMBLY OF DRIVE SHAFT
• 6.31. REMOVAL AND INSTALLATION OF FRONT AXLE
• 6.32. REMOVAL AND INSTALLATION OF REAR AXLE
• 6.33. REMOVAL AND INSTALLATION OF DIFFERENTIAL
• 6.34. DISASSEMBLY AND ASSEMBLY OF DIFFERENTIAL
• 6.35. DISASSEMBLY AND ASSEMBLY OF FINAL DRIVE
• 6.36. REMOVAL AND INSTALLATION OF ORBITROLL
• 6.37. REMOVAL AND INSTALLATION OF EMERGENCY STEERING PUMP
• 6.38. REMOVAL AND INSTALLATION OF DIVERTER VALVE
• 6.39. DISASSEMBLY AND ASSEMBLY OF DIVERTER VALVE
• 6.40. REMOVAL AND INSTALLATION OF ACCUMULATOR CHARGE VALVE
• 6.41. DISASSEMBLY AND ASSEMBLY OF ACCUMULATOR CHARGE VALVE
• 6.42. REMOVAL AND INSTALLATION OF STEERING STOP VALVE
• 6.43. REMOVAL AND INSTALLATION OF STEERING CYLINDER
• 6.44. REMOVAL AND INSTALLATION OF STEERING VALVE
• 6.45. REMOVAL AND INSTALLATION OF BRAKE VALVE
• 6.46. REMOVAL AND INSTALLATION OF SLACK ADJUSTER
• 6.47. DISASSEMBLY AND ASSEMBLY OF SLACK ADJUSTER
• 6.48. REMOVAL AND INSTALLATION OF BRAKE
• 6.49. DISASSEMBLY AND ASSEMBLY OF BRAKE
• 6.50. REMOVAL AND INSTALLATION OF PARKING BRAKE CALIPERS
• 6.51. DISASSEMBLY AND ASSEMBLY OF PARKING BRAKE CALIPERS
• 6.52. REMOVAL AND INSTALLATION OF PARKING BRAKE PAD
• 6.53. REMOVAL AND INSTALLATION OF PARKING BRAKE SPRING CYLINDER
• 6.54. REMOVAL AND INSTALLATION OF BRAKE OIL TANK
• 6.55. REMOVAL AND INSTALLATION OF HYDRAULIC PUMP ASSEMBLY
• 6.56. REMOVAL AND INSTALLATION OF SERVO CYLINDER
• 6.57. REMOVAL AND INSTALLATION OF HYDRAULIC TANK AND FITER CASE ASSEMBLY
• 6.58. REMOVAL AND INSTALLATION OF PPC VALVE
• 6.59. DISASSEMBLY AND ASSEMBLY OF PPC VALVE
• 6.60. REMOVAL AND INSTALLATION OF WORK EQUIPMENT CONTROL VALVE
• 6.61. DISASSEMBLY AND ASSEMBLY OF WORK EQUIPMENT CONTROL VALVE
• 6.62. REMOVAL AND INSTALLATION OF CAB
• 6.63. REMOVAL AND INSTALLATION OF FLOOR FRAME
• 6.64. REMOVAL AND INSTALLATION OF CENTER HINGE PIN
• 6.65. REMOVAL AND INSTALLATION OF WORK EQUIPMENT
• 6.66. REMOVAL AND INSTALLATION OF LIFT CYLINDER ASSEMBLY
• 6.67. REMOVAL AND INSTALLATION OF PITCH TILT CYLINDER
• 6.68. REMOVAL AND INSTALLATION OF AIR CONDITIONER UNIT
• 6.69. REMOVAL AND INSTALLATION OF AIR CONDITIONER COMPRESSOR
• 6.70. REMOVAL AND INSTALLATION OF RECEIVER TANK
• 6.71. REMOVAL AND INSTALLATION OF AIR CONDITIONER CONDENSER
• 6.72. REMOVAL AND INSTALLATION OF TRANSMISSION AND STEERING CONTROLLER
• 6.73. REMOVAL AND INSTALLATION OF MAIN MONITOR
• 6.74. REMOVAL AND INSTALLATION OF FUEL TANK
• 6.75. REMOVAL AND INSTALLATION OF COUNTERWEIGHT
• 6.76. REMOVAL AND INSTALLATION OF AJSS LEVER SWITCH ASSEMBLY
• 7. MAINTENANCE STANDRAD
• 7.1. ENGINE MOUNT
• 7.2. TRANSMISSION MOUNT
• 7.3. DAMPER
• 7.4. TORQUE CONVERTER CHARGING,PPC AND BRAKE PUMP
• 7.5. TORQUE CONVERTER
• 7.6. TORQUE CONVERTER REGULATOR VALVE
• 7.7. TRANSMISSION(1/2)
• 7.8. TRANSMISSION(2/2)
• 7.9. TRANSFER
• 7.10. TRANSMISSION CONTROL VALVE
• 7.11. DRIVE SHAFT
• 7.12. CENTER SUPPORT
• 7.13. DIFFERENTIAL(1/2)
• 7.14. DIFFERENTIAL(2/2)
• 7.15. FINAL DRIVE
• 7.16. AXLE MOUNT
• 7.17. CENTER HINGE PIN
• 7.18. STEERING COLUMN
• 7.19. STEERING DEMAND VALVE
• 7.20. DIVERTER VALVE
• 7.21. STEERING CYLINDER MOUNT
• 7.22. EMERGENCY STEERING PUMP
• 7.23. PPC RELIEF VALVE
• 7.24. STEERING PUMP
• 7.25. SWITCH PUMP
• 7.26. MAIN PISTON PUMP
• 7.27. CONTROL PUMP
• 7.28. MAIN CONTROL VALVE
• 7.29. HYDRAULIC CYLINDER
• 7.30. WORK EQUIPMENT LINKAGE
• 7.31. BRAKE COOLING PUMP
• 8. OTHERS
• 8.1. WORK EQUIPMENT HYDRAULIC CIRCUIT DIAGRAM(1/2)
• 8.2. WORK EQUIPMENT HYDRAULIC CIRCUIT DIAGRAM(2/2)
• 8.3. ELECTRIC CIRCUIT DIAGRAM (1/7)
• 8.4. ELECTRIC CIRCUIT DIAGRAM (2/7)
• 8.5. ELECTRIC CIRCUIT DIAGRAM (3/7)
• 8.6. ELECTRIC CIRCUIT DIAGRAM (4/7)
• 8.7. ELECTRIC CIRCUIT DIAGRAM (5/7)
• 8.8. ELECTRIC CIRCUIT DIAGRAM (6/7)
• 8.9. ELECTRIC CIRCUIT DIAGRAM (7/7)