Komatsu WA700-1 Wheel Loader Shop Manual SEBM04270104

Description

• Model List:
  • WA700-1 Wheel Loader

• 1. COVER
• 2. CONTENTS
• 3. STRUCTURE AND FUNCTION
• 3.1. GENERAL
• 3.2. ENGINE SPEED CONTROL
• 3.3. SERVO CYLINDER
• 3.4. RADIATOR AND COOLER
• 3.5. DAMPER
• 3.6. HYDRAULIC CIRCUIT FOR POWER TRAIN
• 3.7. HYDRAULIC CIRCUIT DIAGRAM FOR POWER TRAIN
• 3.8. TORQUE CONVERTER AND TRANSMISSION PIPING
• 3.9. TORQUE CONVERTER AND PTO
• 3.10. TORQUE CONVERTER OIL COOLER
• 3.11. TORQUE CONVERTER REGULATOR VALVE
• 3.12. TRANSMISSION
• 3.13. TRANSMISSION CONTROL VALVE
• 3.14. TRANSMISSION SOLENOID VALVE
• 3.15. TORQUE CONVERTER RELIEF VALVE
• 3.16. LUBRICATION BYPASS VALVE
• 3.17. TRANSMISSION SOLENOID VALVE
• 3.18. EMERGENCY MANUAL SPOOL
• 3.19. TRANSMISSION OIL FILTER
• 3.20. PILOT OIL FILTER
• 3.21. CENTER HINGE PIN
• 3.22. FLOOR SUPPORT
• 3.23. STEERING PIPING DIAGRAM
• 3.24. STEERING CIRCUIT DIAGRAM
• 3.25. STEERING COLUMN AND LINKAGE
• 3.26. STEERING GEAR BOX
• 3.27. STEERING AND SWITCH PUMP
• 3.28. STEERING VALVE
• 3.29. ROTARY SEAL
• 3.30. SLOW RETURN VALVE
• 3.31. DIVERTER VALVE
• 3.32. EMERGENCY STEERING RELIEF VALVE
• 3.33. STEERING DEMAND VALVE (MACHINE WITH JOYSTICK STEERING)
• 3.34. STEERING UNIT (ORBITROLL VALVE) (MACHINE WITH JOYSTICK STEERING)
• 3.35. BRAKE AND AIR PIPING
• 3.36. BRAKE AND AIR CIRCUIT DIAGRAM
• 3.37. AIR GOVERNOR
• 3.38. AIR TANK
• 3.39. BRAKE VALVE
• 3.40. RELAY VALVE
• 3.41. DOUBLE CHECK VALVE
• 3.42. BRAKE CHAMBER
• 3.43. SLACK ADJUSTER
• 3.44. CHECK VALVE
• 3.45. HYDRAULIC TANK PRESSURIZING VALVE
• 3.46. PARKING BRAKE SOLENOID VALVE
• 3.47. SPRING CYLINDER
• 3.48. BRAKE
• 3.49. PARKING BRAKE
• 3.50. HYDRAULIC PIPING
• 3.51. HYDRAULIC CIRCUIT SYSTEM
• 3.52. HYDRAULIC CIRCUIT DIAGRAM
• 3.53. HYDRAULIC CIRCUIT DIAGRAM (MACHINE WITH JOYSTICK STEERING)
• 3.54. WORK EQUIPMENT LEVER LINKAGE
• 3.55. HYDRAULIC TANK
• 3.56. ACCUMULATOR
• 3.57. MAIN PUMP
• 3.58. PPC VALVE
• 3.59. PRESSURE DIFFERENTIAL VALVE
• 3.60. MAIN CONTROL VALVE
• 3.61. HYDRAULIC LEVER OPERATION
• 3.62. LUBRICATION OF WORK EQUIPMENT
• 3.63. BUCKET LINKAGE
• 3.64. BUCKET POSITIONER AND BOOM KICKOUT
• 3.66. AIR CONDITIONER
• 3.67. ELECTRICAL WIRING DIAGRAM CIRCUIT
• 3.68. ELECTRICAL WIRING DIAGRAM CIRCUIT (MACHINE WITH JOYSTICK STEERING)
• 3.69. ELECTRICAL VEHICLE MONITORING SYSTEM (EVMS)
• 3.70. SENSORS
• 3.71. ENGINE STARTING CIRCUIT
• 3.72. ENGINE STOP CIRCUIT
• 3.73. AUTO PRIMING SYSTEM (APS)
• 3.74. COMBINATION SWITCH
• 3.75. ELECTRICAL TRANSMISSION CONTROL
• 3.76. ELECTRICAL PARKING BRAKE CONTROL
• 3.77. ELECTRICAL PARKING BRAKE
• 3.78. KICKDOWN SWITCH
• 4. TESTING AND ADJUSTING
• 4.1. STANDARD VALUE TABLE FOR ENGINE RELATED PARTS
• 4.2. STANDARD VALUE TABLE FOR CHASSIS
• 4.3. STANDARD VALUE TABLE FOR ELECTRICAL SYSTEM
• 4.4. TOOLS FOR TESTING, ADJUSTING, AND TROUBLESHOOTING (ENGINE)
• 4.5. TOOLS FOR TESTING, ADJUSTING, AND TROUBLESHOOTING (CHASSIS)
• 4.6. ADJUSTING VALVE CLEARANCE
• 4.7. MEASURING COMPRESSION PRESSURE
• 4.8. MEASURING BLOWBY PRESSURE
• 4.9. MEASURING ENGINE OIL PRESSURE AND TEMPERATURE
• 4.10. TESTING AND ADJUSTING FUEL INJECTION TIMING
• 4.11. MEASURING EXHAUST GAS COLOR
• 4.12. TESTING AND ADJUSTING ALTERNATOR DRIVE BELT TENSION
• 4.13. ADJUSTING AUTO TENSIONER
• 4.14. MEASURING ACCELERATOR PEDAL OPERATING FORCE AND OPERATING ANGLE
• 4.15. MEASURING SHIFT LEVER
• 4.16. MEASURING STALL SPEED
• 4.17. MEASURING HYDRAULIC PRESSURE (TORQUE CONVERTER, TRANSMISSION PRESSURE)
• 4.18. METHOD OF OPERATION OF EMERGENCY MANUAL SPOOL
• 4.19. MEASURING WHEEL LOCK RING CLEARANCE
• 4.20. MEASURING STEERING WHEEL PLAY
• 4.21. MEASURING OPERATING FORCE AND OPERATING TIME OF STEERING WHEEL
• 4.22. TESTING AND ADJUSTING STEERING LINKAGE
• 4.23. MEASURING STEERING OIL PRESSURE
• 4.24. MEASURING EMERGENCY STEERING PRESSURE
• 4.25. ADJUSTING JOYSTICK STEERING
• 4.26. MEASURING BRAKE PEDAL
• 4.27. MEASURING AIR PRESSURE
• 4.28. TESTING BRAKE PERFORMANCE
• 4.29. CHECKING BRAKE PISTON LEAKAGE
• 4.30. MEASURING WEAR OF BRAKE DISC
• 4.31. AIR BLEEDING FROM BRAKE LINE
• 4.32. TESTING PARKING BRAKE PERFORMANCE
• 4.33. CHECKING AND ADJUSTING PARKING BRAKE
• 4.34. MEASURING DUMP AND LIFT CONTROL LEVERS
• 4.35. MEASURING HYDRAULIC PRESSURE OF WORK EQUIPMENT
• 4.36. AIR BLEEDING FROM PISTON PUMP
• 4.37. MEASURING WORK EQUIPMENT
• 4.38. MEASURING HYDRAULIC DRIFT OF WORK EQUIPMENT
• 4.39. ADJUSTING BUCKET POSITIONER
• 4.40. ADJUSTING BOOM KICKOUT
• 4.41. ADJUSTING MACHINE MONITOR (SPEEDOMETER MODULE)
• 4.42. CHECKING FOR ABNORMALITY IN FUEL LEVEL SENSOR
• 4.43. TROUBLESHOOTING
• 4.43.1. ELECTRICAL CIRCUIT FOR ENGINE, TRANSMISSION AND PARKING BRAKE
• 4.43.2. ELECTRICAL CIRCUIT SYSTEM
• 4.43.3. VEHICLE MONITOR SYSTEM
• 4.43.4. LOCATION OF CONNECTORS
• 4.43.5. CONNECTOR TERMINAL NUMBERS
• 4.43.6. POINTS TO REMEMBER WHEN TROUBLESHOOTING
• 4.43.7. SEQUENCE OF EVENTS IN TROUBLESHOOTING
• 4.43.8. PRECAUTIONS WHEN CARRYING OUT MAINTENANCE
• 4.43.9. HANDLING CONNECTORS
• 4.43.10. CHECK BEFORE TROUBLESHOOTING
• 4.43.11. JUDGEMENT OF POWER TRAIN
• 4.43.12. METHOD OF USING TROUBLESHOOTING CHARTS AND TABLES
• 4.43.13. TROUBLESHOOTING CHART FOR ELECTRIC SYSTEM (ENGINE, TRANSMISSION, PARKING BRAKE)
• 4.43.14. TROUBLESHOOTING CHART FOR ELECTRONIC VEHICLE MONITORING SYSTEM
• 4.43.15. TROUBLESHOOTING CHART FOR POWER TRAIN ,STEERING , AIR AND BRAKE , WORK EQUIPMENT (MECHANICAL SYSTEM)
• 4.43.16. TROUBLESHOOTING OF JOYSTICK STEERING CONTROLLER SYSTEM (J MODE)
• 5. DISASSEMBLY AND ASSEMBLY
• 5.1. STARTING MOTOR
• 5.1.1. REMOVAL AND INSTALLATION
• 5.2. ALTERNATOR
• 5.2.1. REMOVAL AND INSTALLATION
• 5.3. AFTERCOOLER CORE
• 5.3.1. REMOVAL AND INSTALLATION
• 5.4. FUEL INJECTION PUMP
• 5.4.1. REMOVAL AND INSTALLATION
• 5.5. TURBOCHARGER (TOP)
• 5.5.1. REMOVAL AND INSTALLATION
• 5.6. TURBOCHARGER (BOTTOM)
• 5.6.1. REMOVAL AND INSTALLATION
• 5.7. NOZZLE HOLDER
• 5.7.1. REMOVAL AND INSTALLATION
• 5.8. OIL COOLER
• 5.8.1. REMOVAL AND INSTALLATION
• 5.9. THERMOSTAT
• 5.9.1. REMOVAL AND INSTALLATION
• 5.10. WATER PUMP
• 5.10.1. REMOVAL AND INSTALLATION
• 5.11. CYLINDER HEAD
• 5.11.1. REMOVAL
• 5.11.2. INSTALLATION
• 5.12. AIR COMPRESSOR
• 5.12.1. REMOVAL AND INSTALLATION
• 5.13. TORQUE CONVERTER CHARGING AND PPC PUMP
• 5.13.1. REMOVAL
• 5.13.2. INSTALLATION
• 5.14. TORQUE CONVERTER, PTO, TRANSMISSION
• 5.14.1. REMOVAL
• 5.14.2. INSTALLATION
• 5.15. TORQUE CONVERTER
• 5.16. TRANSMISSION VALVE
• 5.16.1. REMOVAL
• 5.16.2. INSTALLATION
• 5.16.3. DISASSEMBLY AND ASSEMBLY
• 5.17. STEERING, SWITCH PUMP
• 5.17.1. DISASSEMBLY AND ASSEMBLY
• 5.18. DIVERTER VALVE
• 5.18.1. DISASSEMBLY AND ASSEMBLY
• 5.19. STEERING CYLINDER
• 5.20. AIR GOVERNOR (SERIAL NO. 10062 AND UP)
• 5.21. SPRING CYLINDER
• 5.21.1. DISASSEMBLY AND ASSEMBLY
• 5.22. PARKING BRAKE PAD
• 5.22.1. REMOVAL AND INSTALLATION
• 5.22.2. DISASSEMBLY AND ASSEMBLY
• 5.23. MAIN CONTROL VALVE
• 5.24. STEERING, LIFT, DUMP CYLINDER
• 5.24.1. DISASSEMBLY
• 5.24.2. ASSEMBLY
• 5.25. CENTER HINGE PIN
• 5.26. MACHINE MONITOR
• 5.26.1. REMOVAL
• 5.26.2. INSTALLATION
• 6. MAINTENANCE STANDARD
• 6.1. ENGINE AND TRANSMISSION MOUNT
• 6.2. DAMPER
• 6.3. TORQUE CONVERTER CHARGING, COOLING AND PPC PUMP
• 6.4. TORQUE CONVERTER AND PTO
• 6.5. TORQUE CONVERTER REGULATOR VALVE
• 6.6. TRANSMISSION
• 6.7. TRANSMISSION CONTROL VALVE
• 6.8. TRANSMISSION SOLENOID VALVE
• 6.9. CENTER HINGE PIN
• 6.10. STEERING LINKAGE AND STEERING COLUMN
• 6.11. STEERING GEAR BOX
• 6.12. STEERING VALVE
• 6.13. DIVERTER VALVE
• 6.14. STEERING CYLINDER MOUNT
• 6.15. EMERGENCY STEERING PUMP
• 6.16. SPRING CYLINDER
• 6.17. CONTROL PUMP
• 6.18. MAIN CONTROL VALVE
• 6.19. PPC VALVE
• 6.20. CYLINDER
• 6.21. BUCKET LINKAGE
• 6.22. BUCKET POSITIONER AND BOOM KICKOUT