Komatsu WA470-8 Wheel Loader Shop Manual SEN06514-21

Description

• Model List:
  • WA470-8 Wheel Loader

• 1. Cover
• 1.1. Index and Foreword
• 1.1.1. Index
• 1.1.2. Abbreviation List
• 1.1.3. Foreword, Safety, Basic Information
• 1.2. Specifications
• 1.2.1. Table of Contents
• 1.2.2. Abbreviation List
• 1.2.3. Specifications
• 1.3. Structure and Function
• 1.3.1. Table of Contents
• 1.3.2. Abbreviation List
• 1.3.3. Urea SCR System
• 1.3.4. Bootup System
• 1.3.5. Engine System
• 1.3.6. Cooling System
• 1.3.7. Control System
• 1.3.8. Hydraulic System
• 1.3.9. Power Train System
• 1.3.10. Work Equipment System
• 1.3.11. Steering System
• 1.3.12. Brake System
• 1.3.13. AutoGreasing System
• 1.3.14. Undercarriage and Frame
• 1.3.15. Work Equipment
• 1.3.16. CAB Related Parts
• 1.4. Standard Value Table
• 1.4.1. Table of Contents
• 1.4.2. Abbreviation List
• 1.4.3. Standard Value Table for Engine
• 1.4.4. Standard Value Table for Machine
• 1.4.5. Standard Value Table for Electricity
• 1.5. Testing and Adjusting
• 1.5.1. Table of Contents
• 1.5.2. Precautions Before Work
• 1.5.3. Abbreviation List
• 1.5.4. Related Information on Testing and Adjusting
• 1.5.5. Engine and Cooling System
• 1.5.6. Power Train
• 1.5.7. Steering System
• 1.5.8. Brake System
• 1.5.9. Hydraulic System
• 1.5.10. Work Equipment
• 1.5.11. CAB Related Parts
• 1.5.12. Electrical System
• 1.5.13. AutoGreasing Device
• 1.5.14. Pm Clinic
• 1.6. Troubleshooting
• 1.6.1. Table of Contents
• 1.6.2. Precautions Before Work
• 1.6.3. Abbreviation List
• 1.6.4. Related Information to Troubleshooting
• 1.6.5. Troubleshooting by Failure Code (Display of Code)
• 1.6.6. Troubleshooting of Electrical System (EMode)
• 1.6.7. Troubleshooting for Hydraulic and Mechanical Systems (H Mode)
• 1.6.8. Troubleshooting of Engine (SMode)
• 1.6.9. Troubleshooting for AutoGreasing System
• 1.6.10. Troubleshooting for RDS Load Meter System
• 1.7. Disassembly and Assembly
• 1.7.1. Table of Contents
• 1.7.2. Precautions Before Work
• 1.7.3. Abbreviation List
• 1.7.4. Related Information on Disassembly and Assembly
• 1.7.5. Engine and Cooling System
• 1.7.6. Power Train
• 1.7.7. Steering System
• 1.7.8. Brake System
• 1.7.9. Undercarriage and Frame
• 1.7.10. Hydraulic System
• 1.7.11. Work Equipment
• 1.7.12. CAB Related Parts
• 1.7.13. Electrical System
• 1.8. Maintenance Standard
• 1.8.1. Table of Contents
• 1.8.2. Abbreviation List
• 1.8.3. Engine and Cooling System
• 1.8.4. Power Train
• 1.8.5. Steering System
• 1.8.6. Brake System
• 1.8.7. Undercarriage and Frame
• 1.8.8. Hydraulic System
• 1.8.9. Work Equipment
• 1.9. Appendix
• 1.9.1. Table of Contents
• 1.9.2. Precautions Before Work
• 1.9.3. Abbreviation List
• 1.9.4. Air Conditioner System
• 1.9.5. Component Parts of Air Conditioner System
• 1.9.6. Explanation of Procedure for Test of and Troubleshooting of Air Conditioner
• 1.9.7. Circuit Diagram and Configuration of Connector Pins of Air Conditioner
• 1.9.8. System Diagram of Air Conditioner
• 1.9.9. Locations of Air Conditioner Parts and Layout of Connectors
• 1.9.10. Examine Air Conditioner with SelfDiagnosis Function
• 1.9.11. Open the Electrical System Abnormality Record Screen in Service Mode of Machine Monitor
• 1.9.12. Examine Temperature Control Function
• 1.9.13. Examine Vent (Mode) Changeover
• 1.9.14. Examine Fresh/Recirc Air Changeover
• 1.9.15. Examine Evaporator Temperature Sensor
• 1.9.16. Examine Relay
• 1.9.17. Air Conditioner Troubleshooting Chart 1
• 1.9.18. Air Conditioner Troubleshooting Chart 2
• 1.9.19. Information Shown in Troubleshooting Table
• 1.9.20. Failure Code 879AKA
• 1.9.21. Failure Code 879AKB
• 1.9.22. Failure Code 879BKA
• 1.9.23. Failure Code 879BKB
• 1.9.24. Failure Code 879CKA
• 1.9.25. Failure Code 879CKB
• 1.9.26. Failure Code 879DKZ
• 1.9.27. Failure Code 879EMC
• 1.9.28. Failure Code 879FMC
• 1.9.29. Troubleshooting for Power Supply System (Air Conditioner Does Not Operate)
• 1.9.30. Troubleshooting for Compressor and Refrigerant System (Air is Not Cooled)
• 1.9.31. Troubleshooting for Blower Motor System (No Air Comes Out or Air Flow is Abnormal)
• 1.9.32. Troubleshooting for Fresh/Recirc Air Changeover
• 1.9.33. Troubleshooting by Gauge Pressure
• 1.9.34. Connect Service Tool
• 1.9.35. Precautions for Disconnection and Connection of Air Conditioner Piping
• 1.9.36. Handle Compressor Oil
• 1.10. Circuit Diagrams
• 1.10.1. Table of Contents
• 1.10.2. Abbreviation List
• 1.10.3. Hydraulic Circuit Diagram
• 1.10.4. Electrical Circuit Diagram
• 1.11. Index