Komatsu WA420-3 Avance Wheel Loader Shop Manual SMEW4200M0

$50.00

  • Type Of Manual: Shop Manual
  • Manual ID: SMEW4200M0
  • Format: PDF
  • Size: 14.7MB
  • Number of Pages: 560

Description

  • Model List:

    • WA420-3 Avance Wheel Loader
  • 0.1. GENERAL ASSEMBLY DRAWING
  • 0.2. SPECIFICATIONS
  • 0.3. WEIGHT TABLE
  • 0.4. LIST OF LUBRICANT AND WATER
  • 1. STRUCTURE AND FUNCTION
  • 1.1. POWER TRAIN
  • 1.2. POWER TRAIN SYSTEM
  • 1.3. TORQUE CONVERTER,TRANSMISSION PIPING
  • 1.4. TRANSMISSION HYDRAULIC SYSTEM DIAGRAM
  • 1.5. TORQUE CONVERTER
  • 1.6. TORQUE CONVERTER OIL FILTER
  • 1.7. TRANSMISSION
  • 1.8. TRANSMISSION CONTROL VALVE
  • 1.9. TRANSMISSION SOLENOID VALVE
  • 1.10. PILOT OIL FILTER
  • 1.11. DRIVE SHAFT
  • 1.12. AXLE
  • 1.13. DIFFERENTIAL
  • 1.14. FINAL DRIVE
  • 1.15. AXLE MOUNT,CENTER HINGE PIN
  • 1.16. STEERING PIPING
  • 1.17. STEERING COLUMN
  • 1.18. STEERING VALVE
  • 1.19. ORBITROLL VALVE
  • 1.20. STOP VALVE
  • 1.21. BRAKE PIPING
  • 1.22. BRAKE CIRCUIT DIAGRAM
  • 1.23. BRAKE VALVE
  • 1.24. CHARGE VALVE
  • 1.25. ACCUMULATOR(FOR BRAKE)
  • 1.26. SLACK ADJUSTER
  • 1.27. BRAKE
  • 1.28. PARKING BRAKE CONTROL
  • 1.29. PARKING BRAKE
  • 1.30. PARKING BRAKE SOLENOID VALVE
  • 1.31. PARKING BRAKE VALVE
  • 1.32. HYDRAULIC PIPING
  • 1.33. WORK EQUIPMENT HYDRAULIC SYSTEM DIAGRAM
  • 1.34. WORK EQUIPMENT HYDRAULIC CIRCUIT DIAGRAM
  • 1.35. WORK EQUIPMENT LEVER LINKAGE
  • 1.36. HYDRAULIC TANK
  • 1.37. STEERING RELIEF VALVE
  • 1.38. MAIN CONTROL VALVE
  • 1.39. WORK EQUIPMENT LINKAGE
  • 1.40. BUCKET
  • 1.41. BUCKET POSITIONER AND BOOM KICKOUT
  • 1.43. AIR CONDITIONER
  • 1.44. ELECTRIC CIRCUIT DIAGRAM
  • 1.45. SENSORS
  • 1.46. ENGINE STARTING CIRCUIT
  • 1.47. ENGINE STOP CIRCUIT
  • 1.48. ENGINE STOP SOENOID VALVE
  • 1.49. ELECTRIC TRANSMISSION CONTROL
  • 1.50. KICKDOWN SWITCH
  • 1.51. KICKDOWN ELECTRIC CIRCUIT DIAGRAM
  • 1.52. TRANSMISSION CUTOFF SWITCH
  • 1.53. TRANSMISSION CUTOFF FUNCTION
  • 2. TESTING AND ADJUSTING
  • 2.1. STANDARD VALVE TABLE FOR ENGINE
  • 2.2. STANDARD VALVE TABLE FOR CHASSIS
  • 2.3. STANDARD VALVE TABLE FOR ELECTRICAL PARTS
  • 2.4. TOOLS FOR TESTING,ADJUSTING,AND TROUBLESHOOTING
  • 2.5. MEASURING ENGINE SPEED
  • 2.6. MEASURING EXHAUST COLOR
  • 2.7. MEASURING EXHAUST GAS TEMPERATURE
  • 2.8. ADJUSTING VALVE CLEARANCE
  • 2.9. TESTING AND ADJUSTING FAN BELT TESION
  • 2.10. MEASURING ACCELERATOR PEDAL
  • 2.11. MEASURING OPERATING FORCE,TRAVEL OF SPEED LEVER
  • 2.12. MEASURING TORQUE CONVERTER,TRANSMISSION PARKING BRAKE OIL PRESSURE
  • 2.13. METHOD OF OPERATING EMERGENCY MANUAL SPOOL
  • 2.14. MEASURING CLEARANCE BETWEEN TIRE AND WHEEL
  • 2.15. TESTING AND ADJUSTING STEERING WHEEL
  • 2.16. TESTING AND ADJUSTING STEERING CONTROL
  • 2.17. MEASURING STEERING OIL PRESSURE
  • 2.18. MEASURING OPERATING FORCE,TRAVEL OF BRAKE PEDAL
  • 2.19. MEASURING BRAKE PERFORMANCE
  • 2.20. TESTING BRAKE OIL PRESSURE
  • 2.21. MEASURING BRAKE DISC WEAR
  • 2.22. BLEEDING AIR FROM BRAKE SYSTEM
  • 2.23. MEASURING PARKING BRAKE PERFORMACE
  • 2.24. METHOD FOR MANUAL RELEASE OF PARKING BRAKE
  • 2.25. TESTING WEAR OF PARKING BRAKE DISC
  • 2.26. ADJUSTING WORK EQUIPMENT LINGAGE
  • 2.27. MEASURING WORK EQUIPMENT HYDRAULIC PRESSURE
  • 2.28. MEASURING WORK EQUIPMENT
  • 2.29. TESTING AND ADJUSTING BUCKET PROXIMITY SWITCH
  • 2.30. TESTING AND ADJUSTING BOOM PROXIMITY SWITCH
  • 2.31. CHECKING FOR ABNORMALITY IN FUEL LEVEL SENSOR
  • 2.32. ADJUSTING BOOM,BUCKET ANGLE POTENTIOMETER
  • 2.33. TROUBLESHOOTING
  • 2.33.1. POINTS TO REMEMBER WHEN TROUBLESHOOTING
  • 2.33.2. SEQUENCE OF EVENTS IN TROUBLESHOOTING
  • 2.33.3. PRECAUTIONS WHEN CARRYING OUT MAINTENANCE
  • 2.33.4. CHECKS BEFORE TROUBLESHOOTING
  • 2.33.5. CONNECTOR TYPES AND MOUNTING LOCATIONS
  • 2.33.6. CONNECTOR PIN ARRANGEMENT DIAGRAM
  • 2.33.7. CONNECTOR TABLE FOR CONNECTOR PIN NUMBERS
  • 2.33.8. TRBLESHOOTING OF ELECTRICAL SYSTEM(E MODE)
  • 2.33.8.1. E1 ENGINE DOES NOT START
  • 2.33.8.2. E2 Transmission does not work normally
  • 2.33.8.3. E3 Kickdown switch does not work(the regular F1 to F4 shifts normally)
  • 2.33.8.4. E4 Kickdown works only when kickdown switch is ON(Kickdown switch relay does not hold in position)
  • 2.33.8.5. E5 Kickdown is not canceled
  • 2.33.8.6. E6 Kickdown switch is actuated by mistake when traveling in 2nd
  • 2.33.9. TROUBLESHOOTING OF HYDRAULIC AND MECHANICAL SYSTEM
  • 2.33.9.1. POWER TRAIN
  • 2.33.9.2. STEERING SYSTEM
  • 2.33.9.3. BRAKE SYSTEM
  • 2.33.9.4. WORK EQUIPMENT
  • 3. DISASSEMBLY AND ASSEMBLY
  • 3.1. METHOD OF USING MANUAL
  • 3.2. PRECAUTIONS WHEN CARRYING OUT OPERATION
  • 3.3. GENERAL TOOL LIST
  • 3.4. TORQUE CONVERTER CHARGING PUMP
  • 3.4.1. REMOVAL
  • 3.4.2. INSTALLATION
  • 3.5. TORQUE CONVERTER,TRANSMISSION
  • 3.5.1. REMOVAL
  • 3.5.2. INSTALLATION
  • 3.6. TORQUE CONVERTER
  • 3.7. TRANSMISSION CLUTCH PARK
  • 3.7.1. DISASSEMBLY
  • 3.7.2. ASSEMBLY
  • 3.8. TRANSMISSION CONTROL VALVE
  • 3.8.1. REMOVAL
  • 3.8.2. INSTALLATION
  • 3.8.3. DISASSEMBLY
  • 3.8.4. ASSEMBLY
  • 3.9. TRANSMISSION ACCUMULATOR VALVE
  • 3.10. FRONT DIFFERENTIAL
  • 3.10.1. REMOVAL
  • 3.10.2. INSTALLATION
  • 3.11. REAR DIFFERENTIAL
  • 3.12. CENTER HINGE PIN
  • 3.13. STEERING DEMAND VALVE
  • 3.14. STEERING CYLINDER
  • 3.15. PARKING BRAKE DISC
  • 3.16. HYDRAULIC FILTER
  • 3.16.1. REMOVAL
  • 3.16.2. INSTALLATION
  • 3.17. HYDRAULIC,STEERING,SWITCH,PPC PUMP
  • 3.17.1. REMOVAL
  • 3.17.2. INSTALLATION
  • 3.18. MAIN CONTROL VALVE
  • 3.18.1. REMOVAL
  • 3.18.2. INSTALLATION
  • 3.18.3. DISASSEMBLY
  • 3.18.4. ASSEMNBLY
  • 3.19. BUCKET CYLINDER
  • 3.20. HYARAULIC CYLINDER
  • 3.21. CAB,FLOOR FRAME
  • 3.22. AIR CONDITIONER UNIT
  • 3.22.1. REMOVAL
  • 3.22.2. INSTALLATION
  • 3.23. AIR CONDITIONER CONDENSER
  • 3.24. AIR CONDITIONER CONDENSER COMPRESSOR
  • 3.24.1. REMOVAL
  • 3.24.2. INSTALLATION
  • 4. MAINTENANCE STANDARD
  • 4.1. ENGINE MOUNT,TRANSMISSION MOUNT
  • 4.2. TORQUE CONVERTER
  • 4.3. TRANSMISSION
  • 4.4. TRANSMISSION CONTROL VALVE
  • 4.5. DRIVE SHAFT
  • 4.6. DIFFERENTIAL
  • 4.7. FINAL DRIVE
  • 4.8. AXLE MOUNT
  • 4.9. STEERING COLUMN
  • 4.10. STEERING VALVE
  • 4.11. STEERING CYLINDER MOUNT
  • 4.12. SLACK ADJUSTER
  • 4.13. BRAKE VALVE
  • 4.14. BRAKE
  • 4.15. PARKING BRAKE
  • 4.16. TORQUE CONVERTER,TRANSMISSION PUMP
  • 4.17. STEERING,SWITCH PUMP
  • 4.18. HYSRAULIC,PPC PUMP
  • 4.19. CUTOFF VALVE
  • 4.20. MAIN CONTROL VALVE
  • 4.21. HYDRAULIC CYLINDER
  • 4.22. CENTER HINGE PIN
  • 4.23. WORK EQUIPMENT LINKAGE
  • 4.24. BUCKET
  • 4.25. BUCKET POSITIONER AND BOOM KICKOUT
  • 5. ELECTRIC CIRCUIT DIAGRAM
  • 5.1. ELECTRIC CIRCULT DIAGRAM
  • 5.2. AIR CONDITIONER WIRING DIAGRAM(1/2)
  • 5.3. AIR CONDITIONER WIRING DIAGRAM(2/2)
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