Komatsu WA400-5L Wheel Loader Shop Manual CEBM010002

Description

• Model List:
  • WA400-5L Wheel Loader

• 0.1. HOW TO READ THE SHOP MANUAL
• 0.2. HOISTING INSTRUCTIONS
• 0.3. COATING MATERIALS
• 0.4. STANDARD TIGHTENING TORQUE
• 0.5. ELECTRIC WIRE CODE
• 0.6. CONVERSION TABLES
• 1. GENERAL
• 1.1. SPECIFICATIONS
• 1.2. WEIGHT TABLE
• 1.3. FUEL, COOLANT AND LUBRICANTS
• 1.4. GENERAL ASSEMBLY DRAWING
• 2. STRUCTURE AND FUNCTION
• 2.1. COOLING SYSTEM
• 2.2. ENGINE MOUNT, TRANSMISSION MOUNT
• 2.3. POWER TRAIN
• 2.4. POWER TRAIN SYSTEM DIAGRAM
• 2.5. DRIVE SHAFT (PROPELLER SHAFT)
• 2.6. TORQUE CONVERTER, TRANSMISSION PIPING
• 2.7. TORQUE CONVERTER
• 2.8. TRANSMISSION
• 2.9. TRANSMISSION CONTROL VALVE
• 2.10. AXLE
• 2.11. DIFFERENTIAL
• 2.12. FINAL DRIVE
• 2.13. AXLE MOUNTING, CENTER HINGE PIN
• 2.14. STEERING PIPING
• 2.15. STEERING COLUMN, ORBIT ROLL
• 2.16. STEERING VALVE
• 2.17. FLOW AMP
• 2.18. STEERING VALVE OPERATION
• 2.19. ORBITROLL VALVE
• 2.20. CONNECTION BETWEEN THE HAND PUMP AND SLEEVE
• 2.21. STOP VALVE
• 2.22. EMERGENCY STEERING PUMP
• 2.23. EMERGENCY STEERING MOTOR
• 2.24. STEERING CYLINDER
• 2.25. JOYSTICK STEERING
• 2.26. STEERING SWITCH VALVE
• 2.27. BRAKE PIPING
• 2.28. BRAKE VALVE
• 2.29. CHARGE VALVE
• 2.30. ACCUMULATOR BRAKE
• 2.31. PARKING BRAKE CONTROL
• 2.32. PARKING BRAKE
• 2.33. HYDRAULIC PIPING
• 2.34. WORK EQUIPMENT CONTROL LEVER
• 2.35. HYDRAULIC TANK
• 2.36. HYDRAULIC PUMPS
• 2.38. WORK EQUIPMENT CONTROL VALVE
• 2.39. WORK EQUIPMENT PPC VALVE
• 2.40. ATTACHMENT PPC VALVE
• 2.41. COOLING FAN MOTOR
• 2.42. COOLING FAN MOTOR DRIVE PUMP
• 2.43. WORK EQUIPMENT LINKAGE
• 2.44. BUCKET
• 2.45. BUCKET POSITIONER, LIFT ARM KICKOUT
• 2.46. PROXIMITY SWITCH OPERATION
• 2.47. WORK EQUIPMENT CYLINDER
• 2.49. AIR CONDITIONER
• 2.50. MACHINE MONITORING SYSTEM
• 2.51. MACHINE MONITOR
• 2.52. TRANSMISSION CONTROL SYSTEM
• 2.53. TRANSMISSION CONTROLLER
• 2.54. WORK EQUIPMENT CONTROL SYSTEM
• 2.55. WORK EQUIPMENT CONTROLLER
• 2.56. ELECTRIC TRANSMISSION CONTROL
• 2.57. KICK DOWN, HOLD SWITCH
• 2.58. ENGINE START CIRCUIT
• 2.59. ENGINE STOP CIRCUIT
• 2.60. PREHEATING CIRCUIT
• 2.61. ENGINE POWER MODE SELECTOR CIRCUIT
• 2.62. PARKING BRAKE CIRCUIT
• 2.63. SENSORS
• 3. TESTING, ADJUSTING AND TROUBLESHOOTING
• 3.1. STANDARD VALUE TABLE FOR ENGINE
• 3.2. STANDARD VALUE TABLE FOR CHASSIS
• 3.3. SPECIAL TOOLS
• 3.4. ENGINE COMPONENTS
• 3.5. ADJUSTING ACCELERATOR PEDAL
• 3.6. ADJUSTING TRANSMISSION SPEED SENSOR
• 3.7. POWER TRAIN OIL PRESSURE
• 3.8. FLUSHING
• 3.9. TRANSMISSION VALVE FAILS
• 3.10. STEERING CONTROL
• 3.11. STEERING OIL PRESSURE
• 3.12. TESTING HYDRAULIC FAN
• 3.13. BRAKE SYSTEM
• 3.14. ACCUMULATOR CHARGE PRESSURE
• 3.15. PPC OIL PRESSURE
• 3.16. WORK EQUIPMENT HYDRAULIC PRESSURE
• 3.17. BUCKET POSITIONER
• 3.18. LIFT ARM KICKOUT
• 3.19. PROXIMITY SWITCH ACTUATION
• 3.20. ADJUSTING MACHINE MONITOR
• 3.21. LOAD METER
• 3.22. BLEEDING AIR
• 3.23. RELEASING REMAINING PRESSURE
• 3.24. PMCLINIC INSPECTION TABLE
• 3.25. GENERAL TROUBLESHOOTING
• 4. DISASSEMBLY AND ASSEMBLY
• 4.1. METHOD OF USING MANUAL
• 4.2. PRECAUTIONS WHEN PERFORMING SERVICE OPERATIONS
• 4.3. SPECIAL TOOL LIST
• 4.4. CONNECTOR REPAIR PROCEDURES
• 4.5. ENGINE
• 4.6. RADIATOR FAN MOTOR
• 4.7. AFTERCOOLER
• 4.8. FAN AND FAN MOTOR
• 4.9. FUEL TANK
• 4.10. PARKING BRAKE DISC PLATE
• 4.11. TORQUE CONVERTER AND TRANSMISSION
• 4.12. TRANSMISSION
• 4.13. TRANSMISSION CLUTCH PACK
• 4.14. PARKING BRAKE
• 4.15. TORQUE CONVERTER (STANDARD)
• 4.16. TORQUE CONVERTER (LOCKUP)
• 4.17. CENTER HINGE PIN
• 4.19. CAB AND FLOOR FRAME
• 4.20. TRANSMISSION, WORK EQUIPMENT, PPC PUMP
• 4.21. STEERING, SWITCHING, AND FAN PUMP
• 4.22. STEERING DEMAND VALVE
• 4.23. WORK EQUIPMENT VALVE
• 4.24. HYDRAULIC CYLINDERS
• 4.25. AIR CONDITIONER
• 4.26. AIR CONDITIONER COMPRESSOR
• 4.27. OPERATORS SEAT
• 5. OTHERS
• 5.1. POWER TRAIN OIL CIRCUIT DIAGRAM
• 5.2. BRAKE OIL CIRCUIT DIAGRAM
• 5.3. HYDRAULIC CIRCUIT SCHEMATIC
• 5.4. ELECTRICAL SCHEMATIC