Komatsu WA30-5 Wheel Loader Shop Manual SEBM001500

Description

• Model List:
  • WA30-5 Wheel Loader

• 1. COVER
• 2. CONTENTS
• 3. STRUCTURE AND FUNCTION
• 3.1. POWER TRAIN
• 3.2. HST PIPING
• 3.3. HST HYDRAULIC CIRCUIT DIAGRAM
• 3.4. MAIN PISTON PUMP
• 3.5. HIGH PRESSURE RELIEF VALVE
• 3.6. LOW PRESSURE RELIEF VALVE
• 3.7. HST CHARGE PUMP
• 3.8. CHARGE PUMP OIL FILTER
• 3.9. SPEED RELATED VALVE (DA VALVE)
• 3.10. HIGH PRESSURE CUTOFF VALVE
• 3.11. PISTON MOTOR
• 3.12. DIRECTIONAL SHUTTLE VALVE
• 3.13. STEERING PIPING
• 3.14. PRIORITY VALVE
• 3.15. STEERING VALVE
• 3.16. BRAKE (ACTS ALSO AS PARKING BRAKE)
• 3.17. WORK EQUIPMENT PIPING
• 3.18. HYDRAULIC CIRCUIT DIAGRAM FOR WORK EQUIPMENT
• 3.19. MAIN CONTROL VALVE
• 3.20. BUCKET POSITIONER
• 3.21. PROXIMITY SWITCH
• 3.22. MONITOR PANEL (CLUSTER GAUGE)
• 3.23. ELECTRICAL CIRCUIT DIAGRAM
• 4. TESTING AND ADJUSTING
• 4.1. TABLE OF JUDGEMENT STANDARD VALUE
• 4.2. TOOL FOR TESTING, ADJUSTING, AND TROUBLESHOOTING
• 4.3. ADJUSTING VALVE CLEARANCE
• 4.4. MEASURING COMPRESSION PRESSURE
• 4.5. TESTING AND ADJUSTING FUEL INJECTION TIMING
• 4.6. TESTING FOR ABNORMALITY IN FUEL LEVEL SENSOR
• 4.7. TESTING ACCELERATOR PEDAL
• 4.8. MEASURING STALL SPEED
• 4.9. MEASURING HST OIL PRESSURE
• 4.10. MEASURING STEERING PRESSURE
• 4.11. TESTING AND ADJUSTING BRAKE PEDAL
• 4.12. MEASURING BRAKE PERFORMANCE
• 4.13. MEASURING PARKING BRAKE PERFORMANCE
• 4.14. MEASURING BRAKE DISC WEAR
• 4.15. TESTING AND ADJUSTING INCHING VALVE LINKAGE
• 4.16. ADJUSTING WORK EQUIPMENT CONTROL LEVER
• 4.17. MEASURING WORK EQUIPMENT PRESSURE
• 4.18. TESTING AND ADJUSTING BUCKET POSITIONER
• 5. MAINTENANCE STANDARD
• 5.1. TRANSMISSION, ENGINE MOUNT
• 5.2. HST CHARGE PUMP
• 5.3. TRANSFER
• 5.4. HST INCHING VALVE
• 5.5. DRIVE SHAFT
• 5.6. DIFFERENTIAL (1/2)
• 5.7. DIFFERENTIAL (2/2)
• 5.8. FINAL DRIVE
• 5.9. AXLE MOUNT
• 5.10. STEERING COLUMN
• 5.11. PRIORITY VALVE
• 5.12. STEERING CYLINDER MOUNT
• 5.13. BRAKE (ACTS ALSO AS PARKING BRAKE)
• 5.14. HYDRAULIC, STEERING PUMP
• 5.15. CENTER HINGE PIN
• 5.16. HYDRAULIC CYLINDER
• 5.17. WORK EQUIPMENT LINKAGE
• 5.18. BUCKET POSITIONER
• 5.19. BUCKET