Komatsu PC490LC-10 Hydraulic Excavator Shop Manual CEBM025303

Description

• Model List:
  • PC490LC-10 Hydraulic Excavator

• 1. CEBM025303
• 2. CONTENTS
• 3. SAFETY
• 3.1. Safety Notice
• 4. GENERAL
• 4.1. HOW TO READ THE SHOP MANUAL
• 4.2. HOISTING INSTRUCTIONS
• 4.3. HANDLING ELECTRIC EQUIPMENT AND HYDRAULIC COMPONENTS
• 4.4. PUSH PULL COUPLER
• 4.5. EXPLANATION OF MAINTENANCE STANDARD TERMS
• 4.6. HANDLING OF FUEL SYSTEM DEVICES
• 4.7. HANDLING OF INTAKE SYSTEM PARTS
• 4.8. STANDARD TIGHTENING TORQUE
• 4.9. ELECTRIC WIRE CODE
• 4.10. PRECAUTIONS FOR OPERATIONS
• 4.11. CONVERSION TABLES
• 4.12. COATING MATERIALS
• 4.13. LIST OF ABBREVIATIONS
• 5. GENERAL
• 5.1. SPECIFICATION DIMENSION DRAWINGS
• 5.2. SPECIFICATIONS
• 5.3. WEIGHT TABLE
• 5.4. FUEL, COOLANT AND LUBRICANTS
• 6. STRUCTURE, FUNCTION MAINTENANCE STD
• 6.1. ENGINE AND COOLING SYSTEM
• 6.2. POWER TRAIN SYSTEM
• 6.3. UNDERCARRIAGE AND FRAME
• 6.4. HYDRAULIC SYSTEM
• 6.5. WORK EQUIPMENT
• 6.6. CAB AND ITS ATTACHMENTS
• 6.7. ELECTRICAL SYSTEM
• 6.8. MACHINE MONITOR SYSTEM
• 6.9. KOMTRAX SYSTEM
• 6.10. SENSORS
• 7. STD VALUE TABLES
• 7.1. STANDARD SERVICE VALUE TABLES
• 8. TESTING ADJUSTING
• 8.1. GENERAL INFORMATION
• 8.2. ENGINE AND COOLING SYSTEM
• 8.3. POWER TRAIN
• 8.4. UNDERCARRIAGE AND FRAME
• 8.5. HYDRAULIC SYSTEM
• 8.6. CAB AND ITS ATTACHMENTS
• 8.7. ELECTRICAL SYSTEM
• 8.8. PM CLINIC
• 9. TROUBLESHOOTING
• 9.1. GENERAL INFORMATION ON TROUBLESHOOTING
• 9.2. DIAGNOSTIC PROCEDURE FOR WIRING HARNESS
• 9.3. FAILURE CODE (DISPLAY OF CODE)
• 9.4. ELECTRICAL SYSTEM (EMODE)
• 9.5. HYDRAULIC AND MECHANICAL SYSTEM (HMODE)
• 9.6. ENGINE (SMODE)
• 10. DISASSEMBLY ASSEMBLY
• 10.1. HOW TO READ THIS SECTION
• 10.2. SPECIAL TOOLS LIST
• 10.3. CONNECTOR REPAIR PROCEDURES
• 10.4. ENGINE AND COOLING SYSTEM
• 10.5. POWER TRAIN
• 10.6. UNDERCARRIAGE AND FRAME
• 10.7. HYDRAULIC SYSTEM
• 10.8. WORK EQUIPMENT
• 10.9. CAB AND ITS ATTACHMENTS
• 10.10. ELECTRIC SYSTEM
• 11. MAINTENANCE STD
• 11.1. ENGINE AND COOLING SYSTEM
• 11.2. POWER TRAIN
• 11.3. UNDERCARRIAGE AND FRAME
• 11.4. HYDRAULIC SYSTEM
• 11.5. PPC Valve
• 11.6. WORK EQUIPMENT
• 12. AIR CONDITIONER
• 12.1. AIR CONDITIONER
• 12.2. AIR CONDITIONER COMPONENT
• 12.3. STRUCTURE AND FUNCTION
• 12.4. AIR CONDITIONER UNIT
• 12.5. DUAL PRESSURE SWITCH
• 12.6. AIR CONDITIONER CONTROLLER
• 12.7. AIR CONDITIONER COMPRESSOR
• 12.8. AIR CONDITIONER CONDENSER
• 12.9. RECEIVER DRIER
• 12.10. SUNLIGHT SENSOR
• 12.11. OUTSIDE AIR TEMPERATURE SENSOR
• 12.12. PROCEDURE FOR TESTING AND TROUBLESHOOTING
• 12.13. PARTS AND CONNECTORS LAYOUT
• 12.14. TESTING AIR LEAKAGE (DUCT)
• 12.15. TESTING WITH SELFDIAGNOSIS FUNCTION
• 12.16. TESTING VENT (MODE) CHANGEOVER
• 12.17. TESTING FRESH/RECIRC AIR CHANGEOVER
• 12.18. TESTING SUNLIGHT SENSOR
• 12.19. TESTING (DUAL) PRESSURE SWITCH FOR REFRIGERANT
• 12.20. TESTING RELAY
• 12.21. INFORMATION IN TROUBLESHOOTING TABLE
• 12.22. FAILURE CODES FOR AIR CONDITIONER
• 12.23. HANDLING OF COMPRESSOR OIL
• 13. DIAGRAMS AND SCHEMATICS
• 13.1. HYDRAULIC SYSTEM
• 13.2. ELECTRICAL SYSTEM