Komatsu PC20MRX-1 Hydraulic Excavator Shop Manual SEBM016601

Description

• Model List:
  • PC20MRX-1 Hydraulic Excavator

• 1. COVER
• 2. CONTENTS
• 3. GENERAL
• 3.1. GENERAL ASSEMBLY DRAWING
• 3.2. SPECIFICATIONS
• 3.3. WEIGHT TABLE
• 3.4. LIST OF LUBRICANT AND WATER
• 4. STRUCTURE AND FUNCTION
• 4.1. RADIATOR,OIL COOLER
• 4.2. ENGINE CONTROL
• 4.4. POWER TRAIN DIAGRAM
• 4.5. SWING CIRCLE
• 4.6. SWING MACHINERY
• 4.7. TRACK FRAME
• 4.8. RECOIL SPRING
• 4.9. TRACK SHOE
• 4.10. HYDRAULIC PIPING DRAWING
• 4.11. HYDRAULIC TANK
• 4.12. HYDRAULIC PUMP
• 4.13. CONTROL VALVE
• 4.14. CLSS
• 4.15. CENTER SWIVEL JOINT
• 4.16. ELECTRICAL WIRING DIAGRAM
• 4.17. MACHINE MONITOR SYSTEM
• 5. TESTING AND ADJUSTING
• 5.1. STANDARD VALUE TABLE
• 5.1.1. STANDARD VALUE TABLE FOR ENGINE RELATED PARTS
• 5.1.2. STANDARD VALUE TABLE FOR CHASSIS RELATED PARTS
• 5.1.3. STANDARD VALUE TABLE FOR ELECTRICAL PARTS
• 5.2. TESTING AND ADJUSTING
• 5.2.1. TOOLS FOR TESTING,ADJUSTING,AND TROUBLESHOOTING
• 5.2.2. MEASURING ENGINE SPEED
• 5.2.3. MEASURING EXHAUST COLOR
• 5.2.4. ADJUSTING VALVE CLEARANCE
• 5.2.5. MEASURING COMPRESSION PRESSURE
• 5.2.6. TESTING AND ADJUSTING FUEL INJECTION TIMING
• 5.2.7. MEASURING ENGINE OIL PRESSURE
• 5.2.8. TESTING AND ADJUSTING FAN BELT TENSION
• 5.2.9. ADJUSTING FUEL CONTROL LEVER
• 5.2.10. TESTING AND ADJUSTING TRACK SHOE TENSION
• 5.2.11. MEASURING SPROCKET WEAR
• 5.2.12. TESTING AND ADJUSTING HYDRAULIC PRESSURE IN WORK EQUIPMENT,SWING TRAVEL CIRCUIT
• 5.2.13. TESTING AND ADJUSTING LS DIFFERENTIAL PRESSURE
• 5.2.14. ADJUSTING TCC VALVE
• 5.2.15. TESTING AND ADJUSTING CONTROL CIRCUIT PRESSURE
• 5.2.16. MEASURING SWING HOLDING BRAKE INLET PORT PRESSURE
• 5.2.17. ADJUSTING WORK EQUIPMENT,SWING PPC VALVE
• 5.2.18. TESTING AND ADJUSTING TRAVEL DEVIATION
• 5.2.19. MEASURING OIL LEAKAGE INSIDE WORK EQUIPMENT CYLINDER
• 5.2.20. RELEASING REMAINING PRESSURE FROM HYDRAULIC CIRCUIT
• 5.2.21. RELEASING REMAINING PRESSURE FROM HYDRAULIC TANK
• 5.2.22. PRESSURIZING HYDRAULIC TANK
• 5.2.23. BLEEDING AIR
• 5.3. TROUBLESHOOTING
• 5.3.1. POINTS TO REMEMBER WHEN TROUBLESHOOTING
• 5.3.2. SEQUENCE OF EVENTS IN TROUBLESHOOTING
• 5.3.3. POINTS TO REMEMBER WHEN CARRYING OUT MAINTENANCE
• 5.3.4. CHECKS BEFORE TROUBLESHOOTING
• 5.3.5. CONNECTOR TYPES AND MOUNTING LOCATIONS
• 5.3.6. CONNECTOR PIN ALLOCATION DRAWING
• 5.3.7. CONNECTION TABLE FOR CONNECTOR PIN NUMBERS
• 5.3.8. METHOD OF USING TROUBLESHOOTING CHARTS
• 5.3.9. TROUBLESHOOTING OF ELECTRICAL SYSTEM(E MODE)
• 5.3.10. TROUBLESHOOTING OF HYDRAULIC,MECHANICAL SYSTEM(H MODE)
• 5.3.11. TROUBLESHOOTING OF MACHINE MONITOR SYSTEM(M MODE)
• 6. DISASSEMBLY AND ASSEMBLY
• 6.1. METHOD OF USING MANUAL
• 6.1.1. PRECAUTIONS WHEN CARRYING OUT OPERATION
• 6.1.2. SPECIAL TOOL LIST
• 6.2. STARTING MOTOR
• 6.2.1. REMOVAL AND INSTALLATION
• 6.3. ALTERNATOR
• 6.3.1. REMOVAL AND INSTALLATION
• 6.4. FUEL INJECTION PUMP
• 6.4.1. REMOVAL
• 6.4.2. INSTALLATION
• 6.5. NOZZLE HOLDER
• 6.5.1. REMOVAL AND INSTALLATION
• 6.6. WATER PUMP
• 6.6.1. REMOVAL AND INSTALLATION
• 6.7. THERMOSTAT
• 6.7.1. REMOVAL AND INSTALLATION
• 6.8. ENGINE FRONT SEAL
• 6.8.1. REMOVAL AND INSTALLATION
• 6.9. ENGINE REAR SEAL
• 6.9.1. REMOVAL AND INSTALLATION
• 6.10. ENGINE AND HYDRAULIC PUMP
• 6.10.1. REMOVAL
• 6.10.2. INSTALLATION
• 6.11. FUEL TANK
• 6.11.1. REMOVAL AND INSTALLATION
• 6.12. DAMPER
• 6.12.1. REMOVAL AND INSTALLATION
• 6.13. CENTER SWIVEL JOINT
• 6.13.1. REMOVAL AND INSTALLATION
• 6.13.2. DISASSEMBLY AND ASSEMBLY
• 6.14. TRAVEL MOTOR
• 6.14.1. REMOVAL AND INSTALLATION
• 6.15. SPROCKET
• 6.15.1. REMOVAL AND INSTALLATION
• 6.16. SWING MOTOR AND SWING MACHINERY
• 6.16.1. REMOVAL AND INSTALLATION
• 6.17. REVOLVING FRAME
• 6.17.1. REMOVAL
• 6.17.2. INSTALLATION
• 6.18. SWING CIRCLE
• 6.18.1. REMOVAL AND INSTALLATION
• 6.19. IDLER
• 6.19.1. REMOVAL AND INSTALLATION
• 6.19.2. DISASSEMBLY
• 6.19.3. ASSEMBLY
• 6.20. RECOIL SPRING
• 6.20.1. REMOVAL AND INSTALLATION
• 6.20.2. DISASSEMBLY AND ASSEMBLY
• 6.21. TRACK ROLLER
• 6.21.1. REMOVAL AND INSTALLATION
• 6.21.2. DISASSEMBLY
• 6.21.3. ASSEMBLY
• 6.22. RUBBER SHOE
• 6.22.1. REMOVAL AND INSTALLATION
• 6.23. HYDRAULIC TANK
• 6.23.1. REMOVAL AND INSTALLATION
• 6.24. HYDRAULIC OIL COOLER
• 6.24.1. REMOVAL AND INSTALLATION
• 6.25. HYDRAULIC PUMP
• 6.25.1. REMOVAL AND INSTALLATION
• 6.26. MAIN RELIEF VALVE
• 6.26.1. REMOVAL AND INSTALLATION
• 6.27. RIGHT/LEFT PPC VALVE
• 6.28. BUCKET CYLINDER
• 6.28.1. REMOVAL AND INSTALLATION
• 6.29. HYDRAULIC CYLINDER
• 6.29.1. REMOVAL AND INSTALLATION
• 6.30. QUICK BUCKET
• 6.30.1. REMOVAL AND INSTALLATION
• 6.30.2. REMOVAL AND INSTALLATION
• 6.31. SOLENOID VALVE
• 6.31.1. REMOVAL AND INSTALLATION
• 6.32. COUNTERWEGHT
• 6.32.1. REMOVAL AND INSTALLATION
• 6.33. SEAT AND BRACKET
• 6.33.1. REMOVAL AND INSTALLATION
• 6.34. MONITOR
• 6.34.1. REMOVAL AND INSTALLATION
• 7. MAINTENANCE STANDARD
• 7.1. SWING CIRCLE
• 7.2. TRACK FRAME,RECOIL SPRING
• 7.3. CENTER SWIVEL JOINT
• 7.4. TRAVEL MOTOR
• 7.5. PPC VALVE
• 7.6. HYDRAULIC CYLINDER
• 7.7. WORK EQUIPMENT
• 7.8. DIMENSION OF WORK EQUIPEMENT
• 8. OTHERS
• 8.1. HYDRAULIC CIRCUIT DIAGRAM
• 8.2. ELECTRICAL CIRCUIT DIAGRAM