Komatsu PC88MR-8 Hydraulic Excavator Shop Manual CEBM007301

Description

• Model List:
  • PC88MR-8 Hydraulic Excavator

• 1. CEBM007301 PC88MR8 sn A90001up
• 1.1. CONTENTS
• 1.2. REVISED PAGES
• 1.3. SAFETY
• 1.4. GENERAL
• 1.5. HOW TO READ THE SHOP MANUAL
• 1.6. HOISTING INSTRUCTIONS
• 1.7. PUSH PULL COUPLER
• 1.8. EXPLANATION OF MAINTENANCE STANDARD TERMS
• 1.9. STANDARD TIGHTENING TORQUE
• 1.10. ELECTRIC WIRE CODE
• 1.11. CONVERSION TABLES
• 1.12. COATING MATERIALS
• 2. GENERAL
• 2.1. SPECIFICATIONS DIMENSION DRAWING
• 2.2. TABLE FOR FUEL, COOLANT AND LUBRICANTS
• 3. STRUCTURE, FUNCTION AND MAINTENANCE STANDARD
• 3.1. ENGINE AND COOLING SYSTEM
• 3.2. POWER TRAIN
• 3.3. UNDERCARRIAGE AND FRAME
• 3.4. HYDRAULIC SYSTEM
• 3.5. WORK EQUIPMENT
• 3.6. AIR CONDITIONER
• 3.7. ELECTRICAL SYSTEM
• 4. STANDARD VALUE TABLES
• 4.1. STANDARD VALUE TABLE FOR ENGINE RELATED PARTS
• 4.2. STANDARD VALUE TABLE FOR CHASSIS
• 5. TESTING AND ADJUSTING
• 5.1. TOOLS FOR TESTING, ADJUSTING, AND TROUBLESHOOTING
• 5.2. ENGINE SPEED
• 5.3. EXHAUST TEMPERATURE
• 5.4. EXHAUST GAS COLOR
• 5.5. VALVE CLEARANCE
• 5.6. COMPRESSION PRESSURE
• 5.7. BLOWBY PRESSURE
• 5.8. ENGINE OIL PRESSURE
• 5.9. HANDLING FUEL SYSTEM PARTS
• 5.10. ALTERNATOR BELT TENSION
• 5.11. AIR CONDITIONER COMPRESSOR BELT TENSION
• 5.12. SWING CIRCLE BEARING CLEARANCE
• 5.13. TRACK SHOE TENSION
• 5.14. OIL PRESSURE IN WORK EQUIPMENT AND TRAVEL CIRCUITS
• 5.15. SWING AND BLADE CIRCUIT OIL PRESSURE
• 5.16. CONTROL CIRCUIT BASIC PRESSURE
• 5.17. OIL PRESSURE IN PUMP PC CONTROL CIRCUIT
• 5.18. PCEPC SOLENOID OUTPUT PRESSURE
• 5.19. LS DIFFERENTIAL PRESSURE AND LS VALVE
• 5.20. SOLENOID VALVE OUTPUT PRESSURE
• 5.21. PPC VALVE OUTPUT PRESSURE
• 5.22. PLAY OF WORK EQUIPMENT AND SWING PPC VALVES
• 5.23. PARTS WHICH CAUSE HYDRAULIC DRIFT OF WORK EQUIPMENT
• 5.24. TRAVEL DEVIATION
• 5.25. RELEASING RESIDUAL PRESSURE FROM HYDRAULIC CIRCUIT
• 5.26. OIL LEAKAGE
• 5.27. MIRRORS
• 5.28. SPECIAL FUNCTIONS OF MACHINE MONITOR
• 5.29. HANDLING VOLTAGE CIRCUIT OF ENGINE CONTROLLER
• 5.30. PREPARATION WORK FOR TROUBLESHOOTING OF ELECTRICAL SYSTEM
• 5.31. PROCEDURE FOR TESTING DIODES
• 5.32. PM CLINIC SERVICE
• 6. TROUBLESHOOTING
• 6.1. GENERAL INFORMATION ON TROUBLESHOOTING
• 6.2. CONNECTION TABLE FOR CONNECTOR PIN NUMBERS
• 6.3. TADAPTER TABLE
• 6.4. FAILURE CODE TABLE
• 6.5. FUSE LOCATIONS
• 6.6. TROUBLESHOOTING BY FAILURE CODE
• 6.7. TROUBLESHOOTING OF ELECTRICAL SYSTEM (EMODE)
• 6.8. TROUBLESHOOTING OF HYDRAULIC AND MECHANICAL SYSTEM (HMODE)
• 7. DISASSEMBLY AND ASSEMBLY
• 7.1. HOW TO READ THIS MANUAL
• 7.2. COATING MATERIALS LIST
• 7.3. SPECIAL TOOLS LIST
• 7.4. SKETCHES OF SPECIAL TOOLS
• 7.5. CONNECTOR REPAIR PROCEDURES
• 7.6. ENGINE AND COOLING SYSTEM
• 7.7. POWER TRAIN
• 7.8. UNDERCARRIAGE AND FRAME
• 7.9. HYDRAULIC SYSTEM
• 7.10. WORK EQUIPMENT
• 7.11. CAB AND ITS ATTACHMENTS
• 7.12. ELECTRICAL SYSTEM
• 8. DIAGRAMS AND SCHEMATICS
• 8.1. HYDRAULIC SYSTEM
• 8.2. ELECTRICAL SYSTEM