Komatsu PC27MRX-1, PC30MRX-1, PC35MRX-1, PC40MRX-1, PC45MRX-1 Hydraulic Excavator Shop Manual SEBM016808

Description

• Model List:
  • PC27MRX-1 Hydraulic Excavator
  • PC30MRX-1 Hydraulic Excavator
  • PC35MRX-1 Hydraulic Excavator
  • PC40MRX-1 Hydraulic Excavator
  • PC45MRX-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. ENGINE CONTROL
• 4.3. RADIATOR AND OIL COOLER
• 4.4. POWER TRAIN
• 4.5. SWING CIRCLE
• 4.6. SWING MACHINERY
• 4.7. TRACK FRAME
• 4.8. IDLER CUSHION
• 4.9. HYDRAULIC PIPING
• 4.10. VALVE CONTROL
• 4.11. HYDRAULIC TANK
• 4.12. CLSS
• 4.13. HYDRAULIC PUMP(PISTON PUMP)
• 4.14. LS/PC VALVE AND SERVO PISTON
• 4.15. SOLENOID VALVE
• 4.16. CONTROL VALVE
• 4.17. SWING MOTOR
• 4.18. CENTER SWIVEL JOINT
• 4.19. TRAVEL MOTOR
• 4.20. PPC VALVE
• 4.21. SERVICE PPC VALVE
• 4.22. WORK EQUIPMENT
• 4.23. AIR CONDITIONER
• 4.24. ACTUAL ELECTRIC WIRING DIAGRAM
• 4.25. MACHINE MONITOR SYSTEM
• 5. TESTING AND ADJUSTING
• 5.1. STANDARD VALUE TABLE FOR ENGINE RELATED PARTS
• 5.2. STANDARD VALUE TABLE FOR CHASSIS RELATED PARTS
• 5.3. STANDARD VALUE TABLE FOR ELECTRICAL PARTS
• 5.4. TESTING AND ADJUSTING
• 5.4.1. TOOLS FOR TESTING,ADJUSTING,AND TROUBLESHOOTING
• 5.4.2. MEASURING ENGINE SPEED
• 5.4.3. MEASURING EXHAUST COLOR
• 5.4.4. ADJUSTING VALVE CLEARANCE
• 5.4.5. MEASURING COMPRESSION PRESSURE
• 5.4.6. MEASURING ENGINE OIL PRESSURE
• 5.4.7. TESTING AND ADJUSING FUEL INJECTION TIMING
• 5.4.8. TESTING AND ADJUSTING FAN BELT TENSION
• 5.4.9. ADJUSTING FUEL CONTROL LEVER
• 5.4.10. MEASURING SPROCKET WEAR
• 5.4.11. TESTING AND ADJUSTING TRACK SHOE TENSION
• 5.4.12. HYDRAULIC EQUIPMENT ADJUSTING CONTROL LEVERS AND PEDAL
• 5.4.13. TESTING AND ADJUSTING HYDRAULIC PRESSURE IN WORK EQUIPMENT,SWING,TRAVEL CIRCUIT
• 5.4.14. TESTING AND ADJUSTING LS DIFFERENTIAL PRESSURE
• 5.4.15. ADJUSTING PC VALVE
• 5.4.16. TESTING CONTROL CIRCUIT PRESSURE
• 5.4.17. TESTING AND ADJUSTING CONTROL CIRCUIT PRESSURE
• 5.4.18. MEASURING OUTPUT PRESSURE OF SOLENOID VALVE
• 5.4.19. MEASURING OUTPUT PRESSURE OF PPC VALVE
• 5.4.20. ADJUSTING WORK EQUIPMENT,SWING PPC VALVE
• 5.4.21. TESTING SWING HOLDING BRAKE INLET PORT PRESSURE
• 5.4.22. TESTING AND ADJUSTING TRAVEL DEVIATION
• 5.4.23. MEASURING OIL LEAKAGE INSIDE WORK EQUIPMENT CYLINDER
• 5.4.24. BLEEDING AIR
• 5.4.25. RELEASING REMAINING PRESSURE FROM HYDRAULIC CIRCUIT
• 5.4.26. RELEASING REMAINING PRESSURE FROM HYDRAULIC TANK
• 5.4.27. PRESSURIZING HYDRAULIC TANK
• 5.4.28. TESTING AND ADJUSTING HYDRAULIC BREAKER SERVICE VALVE
• 5.4.29. TESTING AND CHARGING PRESSURE OF HYDRAULIC BREAKER GAS(N2)
• 5.4.30. ELECTRICAL RELATED PARTS PROCEDURE FOR CHECKING DIODE
• 5.5. TROUBLESHOOTING
• 5.5.1. POINTS TO REMEMBER WHEN TROUBLESHOOTING
• 5.5.2. SEQUENCE OF EVENTS IN TROUBLESHOOTING
• 5.5.3. POINTS TO REMEMBER WHEN CARRYING OUT MAINTENANCE
• 5.5.4. CHECKS BEFORE TROUBLESHOOTING
• 5.5.5. CONNECTOR TYPES AND MOUNTING LOCATIONS
• 5.5.6. CONNECTOR PIN ALLOCATION DRAWING
• 5.5.7. CONNECTION TABLE FOR CONNECTOR PIN NUMBERS
• 5.5.8. METHOD OF USING TROUBLESHOOTING CHARTS
• 5.5.9. TROUBLESHOOTING OF ELECTRICAL SYSTEM(E MODE)
• 5.5.10. TROUBLESHOOTING OF HYDRAULIC,MECHANICAL SYSTEM(H MODE)
• 5.5.11. TROUBLESHOOTING OF MACHINE MONITOR SYSTEM(M MODE)
• 6. DISASSEMBLY AND ASSEMBLY
• 6.1. METHOD OF USING MANUAL
• 6.2. PRECAUTIONS WHEN CARRYING OUT OPERATION
• 6.3. SPECIAL TOOL LIST
• 6.4. SKETCHES OF SPECIAL TOOLS
• 6.5. STARTING MOTOR
• 6.5.1. REMOVAL AND INSTALLATION
• 6.6. ALTERNATOR
• 6.6.1. REMOVAL AND INSTALLATION
• 6.7. FUEL INJECTION PUMP
• 6.7.1. REMOVAL
• 6.7.2. INSTALLATION
• 6.8. NOZZLE HOLDER
• 6.8.1. REMOVAL AND INSTALLATION
• 6.9. WATER PUMP
• 6.9.1. REMOVAL AND INSTALLATION
• 6.10. THERMOSTAT
• 6.10.1. REMOVAL AND INSTALLATION
• 6.11. ENGINE FRONT SEAL
• 6.11.1. REMOVAL AND INSTALLATION
• 6.12. ENGINE REAR SEAL
• 6.13. RADIATOR,HYDRAULIC COOLER
• 6.13.1. REMOVAL
• 6.13.2. INSTALLATION
• 6.14. ENGINE,MAIN PUMP
• 6.14.1. REMOVAL
• 6.14.2. INSTALLATION
• 6.15. DAMPER
• 6.15.1. REMOVAL AND INSTALLATION
• 6.16. CENTER SWIVEL JOINT
• 6.16.1. REMOVAL AND INSTALLATION
• 6.16.2. DISASSEMBLY AND ASSEMBLY
• 6.17. TRAVEL MOTOR
• 6.17.1. REMOVAL AND INSTALLATION
• 6.18. TRAVEL MOTOR(PHV500(FOR PC40MRX1))
• 6.18.1. DISASSEMBLY AND ASSEMBLY
• 6.19. SPROCKET
• 6.19.1. REMOVAL AND INSTALLATION
• 6.20. SWING MOTOR,SWING MACHINERY
• 6.20.1. REMOVAL AND INSTALLATION
• 6.21. REVOLVING FRAME
• 6.21.1. REMOVAL
• 6.21.2. INSTALLATION
• 6.22. SWING CIRCLE
• 6.22.1. REMOVAL AND INSTALLATION
• 6.23. IDLER
• 6.23.1. REMOVAL AND INSTALLATION
• 6.23.2. DISASSEMBLY
• 6.23.3. ASSEMBLY
• 6.24. RECOIL SPRING
• 6.24.1. REMOVAL AND INSTALLTION
• 6.24.2. DISASSEMBLY
• 6.24.3. ASSEMBLY
• 6.25. TRACK ROLLER
• 6.25.1. REMOVAL AND INSTALLATION
• 6.25.2. DISASSEMBLY
• 6.25.3. ASSEMBLY
• 6.26. CARRIER ROLLER
• 6.26.1. REMOVAL AND INSTALLATION
• 6.26.2. DISASSEMBLY AND ASSEMBLY
• 6.27. RUBBER SHOE
• 6.27.1. REMOVAL AND INSTALLATION
• 6.28. HYDRAULIC TANK
• 6.28.1. REMOVAL AND INSTALLATION
• 6.29. FUEL TANK
• 6.29.1. REMOVAL
• 6.29.2. INSTALLATION
• 6.30. MAIN PUMP
• 6.30.1. REMOVAL AND INSTALLATION
• 6.31. MAIN PUMP(LPV30 (FOR PC30MRX1))
• 6.31.1. DISASSEMBLY
• 6.31.2. ASSEMBLY
• 6.32. MAIN PUMP(LPD2525(FOR PC40MRX1))
• 6.32.1. DISASSEMBLY
• 6.32.2. ASSEMBLY
• 6.33. SWING GEAR PUMP
• 6.33.1. REMOVAL AND INSTALLATION
• 6.34. PPC PUMP
• 6.34.1. REMOVAL AND INSTALLATION
• 6.35. MAIN CONTROL VALVE
• 6.35.1. REMOVAL
• 6.35.2. INSTALLATION
• 6.35.3. DISASSEMBLY
• 6.35.4. ASSEMBLY
• 6.36. WORK EQUIPMENT LEFT PPC VALVE(FOR ARM,SWING CONTROL)
• 6.36.1. REMOVAL AND INSTALLATION
• 6.37. WORK EQUIPMENT RIGHT PPC VALVE(FOR BOOM AND BUCKET CONTROL)
• 6.37.1. REMOVAL AND INSTALLATION
• 6.38. WORK EQUIPMENT PPC VALVE
• 6.38.1. DISASSEMBLY
• 6.38.2. ASSEMBLY
• 6.39. BOOM CYLINDER
• 6.39.1. REMOVAL AND INSTALLATION
• 6.40. ARM CYLINDER
• 6.40.1. REMOVAL AND INSTALLATION
• 6.41. BUCKET CYLINDER
• 6.41.1. REMOVAL AND INSTALLATION
• 6.42. SWING CYLINDER
• 6.42.1. REMOVAL AND INSTALLATION
• 6.43. BLADE CYLINDER
• 6.43.1. REMOVAL AND INSTALLATION
• 6.44. HYDRAULIC CYLINDER
• 6.44.1. DISASSEMBLY
• 6.44.2. ASSEMBLY
• 6.45. WORK EQUIPMENT
• 6.45.1. REMOVAL AND INSTALLATION
• 6.46. BUCKET
• 6.46.1. REMOVAL AND INSTALLATION
• 6.47.1. REMOVAL AND INSTALLATION
• 6.48. BUCKET,ARM
• 6.48.1. REMOVAL AND INSTALLATION
• 6.49. SWING BRACKET
• 6.49.1. REMOVAL AND INSTALLATION
• 6.50. BLADE
• 6.50.1. REMOVAL AND INSTALLATION
• 6.51. SEAT BRACKET,R.H. AND L.H. PPC VALVE
• 6.51.1. REMOVAL
• 6.51.2. INSTALLATION
• 6.52. SEAT BRACKET
• 6.52.1. REMOVAL AND INSTALLATION
• 6.53. SOLENOID VALVE
• 6.53.1. REMOVAL
• 6.53.2. INSTALLATION
• 6.54. HEATER
• 6.54.1. REMOVAL AND INSTALLATION
• 6.55. FLOOR FRAME
• 6.55.1. REMOVAL
• 6.55.2. INSTALLATION
• 6.56. CANOPY
• 6.56.1. REMOVAL AND INSTALLATION
• 6.57. OPERATORS CAB
• 6.57.1. REMOVAL
• 6.57.2. INSTALLATION
• 6.58. COUNTERWEIGHT
• 6.58.1. REMOVAL AND INSTALLATION
• 6.59. HYDRAULIC BREAKER
• 6.59.1. DISASSEMBLY
• 6.59.2. ASSEMBLY
• 7. MAINTENANCE STANDARD
• 7.1. SWING MACHINERY
• 7.2. SERVICE PPC VALVE
• 7.3. CENTER SWIVEL JOINT
• 7.4. HYDRAULIC CYLINDER
• 7.5. WORK EQUIPMENT
• 7.6. DIMENSION OF WORK EQUIPMENT
• 8. OTHERS
• 8.1. HYDRAULIC CIRCUIT DIAGRAM
• 8.1.1. PC27MRX1
• 8.1.2. PC30MRX1
• 8.1.3. PC35MRX1
• 8.1.4. PC40MRX1 (SERIAL NO.10015500)
• 8.1.5. PC40MRX1 (EU SPEC.)(SERIAL NO.10015500)
• 8.1.6. PC45MRX1 (SERIAL NO.10013000)
• 8.2. ELECTRICAL CIRCUIT DIAGRAM
• 8.2.1. PC27,30MRX1(CANOPY SPECIFICATION)
• 8.2.2. PC27,30MRX1(CAB SPECIFICATION)
• 8.2.3. PC35MRX1(CAB SPECIFICATION)
• 8.2.4. PC40,45MRX1(CAB SPECIFICATION)
• 8.2.5. PC40MRX1(CAB SPECIFICATION)(EU SPEC.)
• 8.2.6. PC40,45MRX1(CAB SPECIFICATION)(USA SPEC.)
• 8.2.7. AIR CONDITIONER ELECTRICAL CIRCUIT DIAGRAM