Komatsu WA380-8 Wheel Loader Shop Manual CEBM030400

Description

• Model List:
  • WA380-8 Wheel Loader

• 1. COVER
• 2. INDEX AND FOREWORD
• 2.1. INDEX
• 2.2. FOREWORD, SAFETY, BASIC INFORMATION
• 3. SPECIFICATIONS
• 3.1. CONTENTS
• 3.2. SPECIFICATIONS
• 4. STRUCTURE AND FUNCTION
• 4.1. CONTENTS
• 4.2. UREA SCR SYSTEM
• 4.3. BOOTUP SYSTEM
• 4.4. ENGINE SYSTEM
• 4.5. COOLING SYSTEM
• 4.6. CONTROL SYSTEM
• 4.7. HYDRAULIC SYSTEM
• 4.8. POWER TRAIN SYSTEM
• 4.9. WORK EQUIPMENT SYSTEM
• 4.10. STEERING SYSTEM
• 4.11. BRAKE SYSTEM
• 4.12. UNDERCARRIAGE AND FRAME
• 4.13. WORK EQUIPMENT
• 4.14. CAB AND ITS ATTACHMENTS
• 5. STANDARD VALUE TABLE
• 5.1. CONTENTS
• 5.2. STANDARD VALUE TABLE FOR ENGINE
• 5.3. STANDARD VALUE TABLE FOR MACHINE
• 5.4. STANDARD VALUE TABLE FOR ELECTRICAL
• 6. TESTING AND ADJUSTING
• 6.1. CONTENTS
• 6.2. RELATED INFORMATION ON TESTING AND ADJUSTING
• 6.3. ENGINE AND COOLING SYSTEM
• 6.4. POWER TRAIN
• 6.5. STEERING SYSTEM
• 6.6. BRAKE SYSTEM
• 6.7. HYDRAULIC SYSTEM
• 6.8. WORK EQUIPMENT
• 6.9. CAB AND ITS ATTACHMENTS
• 6.10. ELECTRICAL SYSTEM
• 6.11. Pm CLINIC
• 7. TROUBLESHOOTING
• 7.1. CONTENTS
• 7.2. RELATED INFORMATION ON TROUBLESHOOTING
• 7.3. TROUBLESHOOTING BY FAILURE CODE (DISPLAY OF CODE)
• 7.4. TROUBLESHOOTING OF ELECTRICAL SYSTEM (EMODE)
• 7.5. TROUBLESHOOTING FOR HYDRAULIC AND MECHANICAL SYSTEMS (H MODE)
• 7.6. TROUBLESHOOTING OF ENGINE (SMODE)
• 8. MAINTENANCE STANDARD
• 8.1. CONTENTS
• 8.2. ENGINE AND COOLING SYSTEM
• 8.3. POWER TRAIN
• 8.4. STEERING SYSTEM
• 8.5. BRAKE SYSTEM
• 8.6. UNDERCARRIAGE AND FRAME
• 8.7. HYDRAULIC SYSTEM
• 8.8. WORK EQUIPMENT
• 9. APPENDIX
• 9.1. CONTENTS
• 9.2. AIR CONDITIONER SYSTEM
• 9.3. COMPONENT PARTS OF AIR CONDITIONER SYSTEM
• 9.4. EXPLANATION OF PROCEDURE FOR TESTING AND TROUBLESHOOTING OF AIR CONDITIONER
• 9.5. CIRCUIT DIAGRAM AND ARRANGEMENT OF CONNECTOR PINS FOR AIR CONDITIONER
• 9.6. AIR CONDITIONER SYSTEM DIAGRAM
• 9.7. INSTALLATION LOCATIONS OF AIR CONDITIONER PARTS AND ARRANGEMENT OF CONNECTORS
• 9.8. TESTING AIR CONDITIONER USING SELFDIAGNOSIS FUNCTION
• 9.9. HOW TO OPEN THE ELECTRICAL SYSTEM ABNORMALITY RECORD SCREEN IN SERVICE MODE OF THE MACHINE MONITOR
• 9.10. CHECK TEMPERATURE CONTROL FUNCTION
• 9.11. TEST VENT (MODE) CHANGEOVER
• 9.12. TESTING FRESH/RECIRC AIR CHANGEOVER
• 9.13. TEST EVAPORATOR TEMPERATURE SENSOR
• 9.14. TEST RELAYS
• 9.15. AIR CONDITIONER TROUBLESHOOTING CHART 1
• 9.16. AIR CONDITIONER TROUBLESHOOTING CHART 2
• 9.17. FAILURE CODE 879AKA A/C Recirculation Air Temperature Sensor Open Circuit
• 9.18. FAILURE CODE 879AKB A/C Recirculation Air Temperature Sensor Short Circuit
• 9.19. FAILURE CODE 879BKA A/C Fresh Air Temperature Sensor Open Circuit
• 9.20. FAILURE CODE 879BKB A/C Fresh Air Temperature Sensor Short Circuit
• 9.21. FAILURE CODE 879CKA Ventilating Sensor Open Circuit
• 9.22. FAILURE CODE 879CKB Ventilating Sensor Short Circuit
• 9.23. FAILURE CODE 879DKZ Sunlight Sensor Open Circuit or Short Circuit
• 9.24. FAILURE CODE 879EMC Ventilation Damper Malfunction
• 9.25. FAILURE CODE 879FMC Air Mix Damper Malfunction
• 9.26. A1 TROUBLESHOOTING FOR POWER SUPPLY SYSTEM (AIR CONDITIONER DOES NOT OPERATE)
• 9.27. A2 TROUBLESHOOTING OF COMPRESSOR SYSTEM (AIR IS NOT COOLED)
• 9.28. A3 TROUBLESHOOTING FOR BLOWER MOTOR SYSTEM (NO AIR COMES OUT OR AIR FLOW IS ABNORMAL)
• 9.29. A4 TROUBLESHOOTING FOR FRESH/RECIRC AIR CHANGEOVER
• 9.30. TROUBLESHOOTING USING GAUGE PRESSURE
• 9.31. CONNECTION OF SERVICE TOOL
• 9.32. PRECAUTIONS FOR DISCONNECTING AND CONNECTING HOSES AND TUBES IN AIR CONDITIONER PIPINGS
• 9.33. HANDLE COMPRESSOR OIL
• 10. CIRCUIT DIAGRAMS
• 10.1. CONTENTS
• 10.2. HYDRAULIC CIRCUIT DIAGRAM
• 10.3. ELECTRICAL CIRCUIT DIAGRAM
• 11. INDEX