Komatsu WA320-3 Avance Loader Shop Manual SEBM006006

Description

• Model List:
  • WA320-3 Avance 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. TORQUE CONVERTER, TRANSMISSION PIPING
• 4.4. TRANSMISSION HYDRAULIC SYSTEM DIAGRAM
• 4.5. TRANSMISSION HYDRAULIC CIRCUIT DIAGRAM
• 4.6. TORQUE CONVERTER
• 4.7. TORQUE CONVERTER OIL FILTER
• 4.8. TRANSMISSION
• 4.9. TRANSMISSION CONTROL VALVE
• 4.10. DRIVE SHAFT
• 4.11. AXLE
• 4.12. DIFFERENTIAL
• 4.13. FINAL DRIVE
• 4.14. AXLE MOUNT, CENTER HINGE PIN
• 4.15. STEERING PIPING
• 4.16. STEERING COLUMN
• 4.17. PRIORITY VALVE
• 4.18. STEERING VALVE (ORBITROLL)
• 4.19. CUSHION VALVE
• 4.20. WAY RESTRICTOR VALVE
• 4.21. BRAKE PIPING
• 4.22. BRAKE HYDRAULIC CIRCUIT DIAGRAM
• 4.23. BRAKE VALVE
• 4.24. ACCUMULATOR CHARGE VALVE
• 4.25. ACCUMULATOR (FOR BRAKE)
• 4.26. BRAKE
• 4.27. PARKING BRAKE CONTROL
• 4.28. PARKING BRAKE
• 4.29. PARKING BRAKE SOLENOID VALVE
• 4.30. PARKING BRAKE VALVE
• 4.31. PARKING BRAKE EMERGENCY RELEASE SOLENOID VALVE
• 4.32. HYDRAULIC PIPING
• 4.33. WORK EQUIPMENT HYDRAULIC SYSTEM DIAGRAM
• 4.34. WORK EQUIPMENT HYDRAULIC CIRCUIT DIAGRAM
• 4.35. WORK EQUIPMENT LEVER LINKAGE
• 4.36. HYDRAULIC TANK
• 4.37. PPC VALVE
• 4.38. PPC RELIEF VALVE
• 4.39. ACCUMULATOR (FOR PPC VALVE)
• 4.40. MAIN CONTROL VALVE
• 4.41. WORK EQUIPMENT LINKAGE
• 4.42. BUCKET
• 4.43. BUCKET POSITIONER AND BOOM KICKOUT
• 4.45. ROPS CAB
• 4.46. AIR CONDITIONER
• 4.47. ELECTRIC CIRCUIT DIAGRAM
• 4.48. MACHINE MONITOR SYSTEM
• 4.49. MAIN MONITOR
• 4.50. MAINTENANCE MONITOR
• 4.51. TRANSMISSION AUTOSHIFT CONTROL SYSTEM
• 4.52. WORK EQUIPMENT CONTROL SYSTEM
• 4.53. (ELECTRONICALLY CONTROLLED SUSPENSION SYSTEM)
• 4.54. SENSORS
• 4.55. ENGINE STARTING CIRCUIT
• 4.56. ENGINE STOP CIRCUIT
• 4.57. PREHEATING CIRCUIT
• 4.58. ELECTRIC TRANSMISSION CONTROL
• 4.59. KICKDOWN, HOLD SWITCH
• 4.60. KICKDOWN ELECTRIC CIRCUIT DIAGRAM
• 4.61. TRANSMISSION CUTOFF SWITCH
• 4.62. TRANSMISSION CUTOFF FUNCTION
• 4.63. ELECTRIC PARKING BRAKE CONTROL
• 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 SYSTEM
• 5.4. TOOLS FOR TESTING, ADJUSTING, AND TROUBLESHOOTING
• 5.5. ADJUSTING VALVE CLEARANCE
• 5.6. MEASURING COMPRESSION PRESSURE
• 5.7. MEASURING BLOWBY PRESSURE
• 5.8. TESTING AND ADJUSTING FUEL INJECTION TIMING
• 5.9. MEASURING EXHAUST COLOR
• 5.10. MEASURING INTAKE AIR PRESSURE (BOOST PRESSURE)
• 5.11. MEASURING EXHAUST GAS TEMPERATURE
• 5.12. MEASURING ENGINE OIL PRESSURE
• 5.13. MEASURING ENGINE SPEED
• 5.14. TESTING AND ADJUSTING FAN BELT TENSION
• 5.15. METHOD FOR ADJUSTING ENGINE STOP MOTOR CABLE
• 5.16. MEASURING ACCELERATOR PEDAL
• 5.17. MEASURING OPERATING FORCE, TRAVEL OF SPEED LEVER
• 5.18. MEASURING STALL SPEED
• 5.19. MEASURING TORQUE CONVERTER, TRANSMISSION,PARKING BRAKE OIL PRESSURE
• 5.20. METHOD OF OPERATING EMERGENCY MANUAL SPOOL
• 5.21. MEASURING CLEARANCE BETWEEN TIRE AND WHEEL
• 5.22. TESTING AND ADJUSTING STEERING WHEEL
• 5.23. MEASURING STEERING OIL PRESSURE
• 5.24. MEASURING OPERATING FORCE, TRAVEL OF BRAKE PEDAL
• 5.25. MEASURING BRAKE PERFORMANCE
• 5.26. TESTING BRAKE OIL PRESSURE
• 5.27. TESTING FOR BRAKE DISC WEAR
• 5.28. BLEEDING AIR FROM BRAKE SYSTEM
• 5.29. MEASURING PARKING BRAKE PERFORMANCE
• 5.30. MANUAL RELEASE METHOD FOR PARKING BRAKE
• 5.31. TESTING WEAR OF PARKING BRAKE DISC
• 5.32. TESTING AND ADJUSTING ACCUMULATOR CHARGE PRESSURE
• 5.33. MEASURING WORK EQUIPMENT CONTROL LEVER
• 5.34. MEASURING WORK EQUIPMENT HYDRAULIC PRESSURE
• 5.35. MEASURING PPC VALVE PRESSURE
• 5.36. MEASURING WORK EQUIPMENT
• 5.37. TESTING AND ADJUSTING BUCKET POSITIONER
• 5.38. TESTING AND ADJUSTING BOOM KICKOUT
• 5.39. ADJUSTING MAIN MONITOR (SPEEDOMETER MODULE)
• 5.40. ADJUSTING BOOM, BUCKET ANGLE POTENTIOMETER
• 5.41. TROUBLESHOOTING
• 5.41.1. POINTS TO REMEMBER WHEN TROUBLESHOOTING
• 5.41.2. SEQUENCE OF EVENTS IN TROUBLESHOOTING
• 5.41.3. PRECAUTIONS WHEN CARRYING OUT MAINTENANCE
• 5.41.4. HANDLING CONNECTORS
• 5.41.5. CHECKS BEFORE TROUBLESHOOTING
• 5.41.6. METHOD OF USING TROUBLESHOOTING CHARTS
• 5.41.7. CONNECTOR TYPES AND MOUNTING LOCATIONS
• 5.41.8. CONNECTOR PIN ARRANGEMENT DIAGRAM
• 5.41.9. CONNECTION TABLE FOR CONNECTOR PIN NUMBERS
• 5.41.10. TROUBLESHOOTING OF ENGINE SYSTEM (S MODE)
• 5.41.11. TROUBLESHOOTING OF MAIN MONITOR SYSTEM (M MODE)
• 5.41.12. TROUBLESHOOTING OF MAINTENANCE MONITOR SYSTEM (K MODE)
• 5.41.13. TROUBLESHOOTING OF ELECTRICAL SYSTEM (E MODE)
• 5.41.14. TROUBLESHOOTING OF HYDRAULIC AND MECHANICAL SYSTEM (CHASSIS RELATED)(T MODE)
• 5.41.15. TROUBLESHOOTING OF ECSS (ELECTRONICALLY CONTROLLED SUSPENSION SYSTEM)(D MODE)
• 5.41.16. TROUBLESHOOTING OF WORK EQUIPMENT CONTROLLER SYSTEM (W MODE)
• 5.41.17. TROUBLESHOOTING OF TRANSMISSION CONTROLLER SYSTEM (WITH AUTOSIFT TRANSMISSION)(A MODE)
• 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. STARTING MOTOR
• 6.5.1. REMOVAL AND INSTALLATION
• 6.6. ALTERNATOR
• 6.6.1. REMOVAL AND INSTALLATION
• 6.7. ENGINE OIL COOLER
• 6.7.1. REMOVAL AND INSTALLATION
• 6.8. FUEL INJECTION PUMP
• 6.8.1. REMOVAL
• 6.8.2. INSTALLATION
• 6.9. WATER PUMP
• 6.9.1. REMOVAL AND INSTALLATION
• 6.10. TURBOCHARGER
• 6.10.1. REMOVAL AND INSTALLATION
• 6.11. NOZZLE HOLDER
• 6.11.1. REMOVAL AND INSTALLATION
• 6.12. THERMOSTAT
• 6.12.1. REMOVAL AND INSTALLATION
• 6.13. TORQUE CONVERTER CHARGING PUMP
• 6.13.1. REMOVAL AND INSTALLATION
• 6.14. TORQUE CONVERTER, TRANSMISSION
• 6.14.1. REMOVAL
• 6.14.2. INSTALLATION
• 6.15. TORQUE CONVERTER
• 6.16. TRANSMISSION CLUTCH PACK
• 6.16.1. DISASSEMBLY
• 6.16.2. ASSEMBLY
• 6.17. TRANSMISSION CONTROL VALVE
• 6.17.1. REMOVAL
• 6.17.2. INSTALLATION
• 6.17.3. DISASSEMBLY
• 6.17.4. ASSEMBLY
• 6.18. TRANSMISSION ACCUMULATOR VALVE
• 6.18.1. DISASSEMBLY
• 6.18.2. ASSEMBLY
• 6.19. TRANSMISSION MODULATING VALVE
• 6.20. CENTER HINGE PIN
• 6.21. STEERING CYLINDER
• 6.21.1. REMOVAL
• 6.21.2. INSTALLATION
• 6.22. RIGHT BRAKE VALVE (TANDEM)
• 6.22.1. DISASSEMBLY
• 6.22.2. ASSEMBLY
• 6.23. LEFT BRAKE VALVE (SINGLE)
• 6.23.1. DISASSEMBLY
• 6.23.2. ASSEMBLY
• 6.24. PARKING BRAKE DISC
• 6.24.1. REMOVAL
• 6.24.2. INSTALLATION
• 6.25. ACCUMULATOR CHARGE VALVE
• 6.26. HYDRAULIC FILTER
• 6.26.1. REMOVAL AND INSTALLATION
• 6.27. HYDRAULIC, STEERING PUMP
• 6.27.1. REMOVAL
• 6.27.2. INSTALLATION
• 6.28. MAIN CONTROL VALVE
• 6.29. BUCKET CYLINDER
• 6.30. HYDRAULIC CYLINDER
• 6.30.1. DISASSEMBLY
• 6.30.2. ASSEMBLY
• 6.31. WORK EQUIPMENT
• 6.31.1. REMOVAL
• 6.31.2. INSTALLATION
• 6.32. COUNTERWEIGHT
• 6.32.1. REMOVAL AND INSTALLATION
• 6.33. MAINTENANCE MONITOR
• 6.33.1. REMOVAL AND INSTALLATION
• 6.34. AIR CONDITIONER UNIT
• 6.34.1. REMOVAL
• 6.34.2. INSTALLATION
• 6.35. AIR CONDITIONER CONDENSER
• 6.35.1. REMOVAL
• 6.35.2. INSTALLATION
• 6.36. DRY RECEIVER
• 6.36.1. REMOVAL AND INSTALLATION
• 6.37. AIR CONDITIONER COMPRESSOR
• 6.37.1. REMOVAL
• 6.37.2. INSTALLATION
• 7. MAINTENANCE STANDARD
• 7.1. ENGINE MOUNT, TRANSMISSION MOUNT
• 7.2. TORQUE CONVERTER CHARGING PUMP
• 7.3. TORQUE CONVERTER
• 7.4. TRANSMISSION
• 7.5. TRANSMISSION CONTROL VALVE
• 7.6. MODULATION VALVE ASSEMBLY
• 7.7. ACCUMULATOR VALVE
• 7.8. DRIVE SHAFT
• 7.9. DIFFERENTIAL
• 7.10. FINAL DRIVE
• 7.11. AXLE MOUNT
• 7.12. CENTER HINGE PIN
• 7.13. STEERING COLUMN
• 7.14. PRIORITY VALVE
• 7.15. STEERING CYLINDER MOUNT
• 7.16. BRAKE
• 7.17. BRAKE VALVE
• 7.18. PARKING BRAKE
• 7.19. HYDRAULIC PUMP
• 7.20. MAIN CONTROL VALVE
• 7.21. PPC VALVE
• 7.22. HYDRAULIC CYLINDER
• 7.23. WORK EQUIPMENT LINKAGE
• 7.24. BUCKET
• 7.25. BUCKET POSITIONER AND BOOM KICKOUT