Komatsu WA900-1 Wheel Loader Shop Manual CEBM002300

Description

• Model List:
  • WA900-1 Wheel Loader

• 1. MAIN MENU
• 2. CONTENTS
• 3. GENERAL
• 3.1. SPECIFICATION DRAWINGS
• 3.2. SPECIFICATIONS
• 3.3. WEIGHT TABLE
• 3.4. FUEL, COOLANT, AND LUBRICANTS
• 3.5. ENGINE OIL SPECIFICATIONS
• 3.6. DIESEL FUEL SPECIFICATIONS
• 3.7. COOLANT SPECIFICATIONS
• 4. STRUCTURE AND FUNCTION
• 4.1. GENERAL (POWER TRAIN)
• 4.2. POWER TRAIN SYSTEM
• 4.3. ENGINE CONTROL
• 4.4. RADIATOR AND HYDRAULIC OIL COOLER
• 4.5. DAMPER
• 4.6. TORQUE CONVERTER AND TRANSMISSION PIPING
• 4.7. TRANSMISSION HYDRAULIC SYSTEM DIAGRAM
• 4.8. TRANSMISSION HYDRAULIC CIRCUIT DIAGRAM
• 4.9. TORQUE CONVERTER
• 4.10. TORQUE CONVERTER RELIEF VALVE
• 4.11. TORQUE CONVERTER REGULATOR VALVE
• 4.12. TORQUE CONVERTER OIL FILTER
• 4.13. TRANSMISSION
• 4.14. TRANSFER
• 4.15. TRANSMISSION CONTROL VALVE
• 4.16. TORQUE CONVERTER OIL COOLER
• 4.17. DRIVE SHAFT
• 4.18. CENTER SUPPORT
• 4.19. AXLES
• 4.20. FINAL DRIVE
• 4.21. FLOOR SUPPORT
• 4.22. AXLE MOUNT AND CENTER HINGE PIN
• 4.23. STEERING PIPING
• 4.24. STEERING COLUMN
• 4.25. STEERING PUMP
• 4.26. SWITCH PUMP
• 4.27. STEERING DEMAND VALVE
• 4.28. TWOWAY RESTRICTOR VALVE
• 4.29. STEERING UNIT (ORBITROLL VALVE)
• 4.30. DIVERTER VALVE
• 4.31. BRAKE AND AIR PIPING
• 4.32. BRAKE AND AIR CIRCUIT DIAGRAM
• 4.33. HYDRAULIC PIPING
• 4.34. WORK EQUIPMENT HYDRAULIC CIRCUIT DIAGRAM
• 4.35. WORK EQUIPMENT LEVER LINKAGE
• 4.36. HYDRAULIC TANK
• 4.37. MAIN PISTON PUMP
• 4.38. ES VALVE (ENGINE SENSING VALVE)
• 4.39. SERVO VALVE
• 4.40. PPC VALVE
• 4.41. PPC RELIEF VALVE
• 4.42. ACCUMULATOR
• 4.43. MAIN CONTROL VALVE
• 4.44. LUBRICATION OF WORK EQUIPMENT
• 4.45. WORK EQUIPMENT LINKAGE
• 4.46. BUCKET POSITIONER AND BOOM KICKOUT
• 4.48. AIR CONDITIONER
• 4.49. AIR CONDITIONING PIPING DIAGRAM
• 4.50. AIR CONDITIONING CONDENSER
• 4.51. RECEIVER W/SIGHT GLASS (LIQUID TANK)
• 4.52. AIR CONDITIONER UNIT
• 4.53. MACHINE MONITOR SYSTEM
• 4.54. ELECTRICAL SCHEMATIC (1/3)
• 4.55. ELECTRICAL SCHEMATIC (2/3)
• 4.56. ELECTRICAL SCHEMATIC JOYSTICK STEERING (3/3)
• 4.57. ENGINE STARTING CIRCUIT
• 4.58. ENGINE STOP CIRCUIT
• 4.59. PREHEATING CIRCUIT
• 4.60. ELECTRICAL TRANSMISSION CONTROL
• 4.61. KICKDOWN SWITCH
• 4.62. ELECTRICAL PARKING BRAKE CONTROL
• 4.63. TRANSMISSION CLUTCH OVERRUN CONTROLLER
• 4.64. ENGINE DIAGNOSTICS
• 4.65. ENGINE DIAGNOSTIC ELECTRICAL SCHEMATIC
• 5. TESTING, ADJUSTING AND TROUBLESHOOTING
• 5.1. TESTING AND ADJUSTING
• 5.2. TROUBLESHOOTING
• 6. DISASSEMBLY AND ASSEMBLY
• 6.1. METHOD OF USING MANUAL
• 6.2. PRECAUTIONS WHEN CARRYING OUT OPERATION
• 6.3. TORQUE CONVERTER, TRANSMISSION
• 6.4. TORQUE CONVERTER ASSEMBLY
• 6.5. TORQUE CONVERTER VALVE ASSEMBLY
• 6.6. TRANSFER ASSEMBLY
• 6.7. TRANSMISSION VALVE
• 6.8. TRANSMISSION VALVE
• 6.9. STEERING DEMAND VALVE
• 6.10. DIVERTER VALVE
• 6.11. SPRING CYLINDER
• 6.12. PARKING BRAKE CALIPER
• 6.13. PARKING BRAKE PAD
• 6.14. HYDRAULIC TANK AND FILTER CASE
• 6.15. MAIN CONTROL VALVE
• 6.16. HYDRAULIC CYLINDER
• 6.17. CENTER HINGE PIN
• 7. MAINTENANCE STANDARD
• 7.1. ENGINE MOUNT
• 7.2. TRANSMISSION MOUNT
• 7.3. DAMPER
• 7.4. TORQUE CONVERTER CHARGING AND PPC PUMP
• 7.5. TORQUE CONVERTER
• 7.6. TORQUE CONVERTER REGULATOR
• 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. DIVERTER VALVE
• 7.20. STEERING CYLINDER MOUNT
• 7.21. EMERGENCY STEERING PUMP
• 7.22. STEERING CYLINDER
• 7.23. SPRING CYLINDER
• 7.24. CONTROL PUMP (BAR025)
• 7.25. PPC VALVE
• 7.26. MAIN CONTROL VALVE
• 7.27. BUCKET CYLINDER
• 7.28. BOOM CYLINDER
• 7.29. BUCKET LINKAGE
• 7.30. BUCKET POSITIONER AND BOOM KICKOUT