Komatsu PC120-6 Custom Hydraulic Excavator Shop Manual SEBM005503
Komatsu PC120-6 Custom Hydraulic Excavator Shop Manual SEBM005503 - Image 2
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Komatsu PC120-6 Custom Hydraulic Excavator Shop Manual SEBM005503 - Image 4
Komatsu PC120-6 Custom Hydraulic Excavator Shop Manual SEBM005503 - Image 5

Komatsu PC120-6 Custom Hydraulic Excavator Shop Manual SEBM005503

$50.00

  • Type Of Manual: Shop Manual
  • Manual ID: SEBM005503
  • Format: PDF
  • Size: 27.5MB
  • Number of Pages: 502
Category:

Description

  • Model List:

    • PC120-6 Custom 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 AND OIL COOLER
  • 4.2. PTO (COUPLING)
  • 4.3. POWER TRAIN
  • 4.4. SWING CIRCLE
  • 4.5. SWING MACHINERY
  • 4.6. HYDRAULIC PIPING DRAWING
  • 4.7. HYDRAULIC CIRCUIT DIAGRAM
  • 4.8. CENTER SWIVEL JOINT
  • 4.9. TRAVEL MOTOR
  • 4.10. VALVE CONTROL
  • 4.11. WORK EQUIPMENTSWING PPC VALVE
  • 4.12. TRAVEL PPC VALVE
  • 4.13. SERVICE PPC VALVE
  • 4.14. SAFETY LOCK SOLENOID VALVE
  • 4.15. PPC SHUTTLETRAVEL JUNCTION VALVE
  • 4.16. EPC SOLENOID VALVE
  • 4.17. BOOM HOLDING VALVE
  • 4.18. ACCUMULATOR FOR BREAKER
  • 4.19. ADDITIONAL FILTER FOR BREAKER
  • 4.20. WORK EQUIPMENT
  • 4.21. ELECTRICAL WIRING DIAGRAM
  • 4.22. ELECTRICAL CIRCUIT DIAGRAM
  • 4.23. ENGINE CONTROL SYSTEM
  • 4.24. ELECTRIC CONTROL SYSTEM
  • 4.25. MACHINE MONITOR SYSTEM
  • 4.26. SENSORS
  • 5. TESTING AND ADJUSTING
  • 5.1. TABLE OF JUDGEMENT STANDARD VALUE
  • 5.2. STANGARD VALUE TABLE ROR ELECTRICAL PARTS
  • 5.3. TESTING AND ADJUSTING
  • 5.3.1. TOOLS FOR TESTING, ADJUSTING,AND TROUBLESHOOTING
  • 5.3.2. MEASURING ENGINE SPEED
  • 5.3.3. MEASURING EXHAUST GAS COLOR
  • 5.3.4. ADJUSTING VALVE CLEARANCE
  • 5.3.5. MEASURING COMPRESSION PRESSURE
  • 5.3.6. MEASURING BLOWBY PRESSURE
  • 5.3.7. TESTING AND ADJUSTING FUEL INJECTION TIMING
  • 5.3.8. MEASURING ENGINE OIL PRESSURE
  • 5.3.9. TESTING AND ADJUSTING ALTERNATOR FAN BELT TENSION
  • 5.3.10. TESTING AND ADJUSTING AIR CONDITIONER COMPRESSOR BELT TENSION
  • 5.3.11. ADJUSTING FUEL CONTROL LEVER
  • 5.3.12. TESTING AND ADJUSTING HYDRAULIC PRESSURE IN WORK EQUIPMENT,SWING,TRAVEL CIRCUIT
  • 5.3.13. TESTING AND ADJUSTING TCC VALVE OUTPUT PRESSURE(SERVO PISTON INPUT PRSSURE)
  • 5.3.14. TESTING AND ADJUSTING TVC VALVE OUTPUT PRESSURE(SERVO PISTON INPUT PRESSURE)
  • 5.3.15. TESTING AND ADJUSTING LS VALVE OUTPUT PRESSURE(SERVO PISTON INPUT PRESSURE) AND LS DIFFERNTIAL PRESSURE
  • 5.3.16. TESTING AND ADJUSTING CONTROL PUMP CIRCUIT OIL PRESSURE
  • 5.3.17. TESTING SOLENOID VALVE OUTPUT PRESSURE
  • 5.3.18. MEASURING PPC VALVE OUTPUT PRESSURE AND TESTING PPC SHUTTLE VALVE
  • 5.3.19. ADJUSTING WORK EQUIPMENT AND SWING PPC VALVE
  • 5.3.20. TESTING TRAVEL DEVIATION
  • 5.3.21. MEASURING OIL LEAKAGE
  • 5.3.22. RELEASING REMAINING PRESSURE IN HYDRAULIC CIRCUIT
  • 5.3.23. TESTING CLEARANCE OF SWING CIRCLE BEARING
  • 5.3.24. TESTING AND ADJUSTING TRACK SHOE TENSION
  • 5.3.25. BLEEDING AIR
  • 5.4. TROUBLESHOOTING
  • 5.4.1. POINTS TO REMEMBER WHEN TROUBLESHOOTING
  • 5.4.2. SEQUENCE OF EVENTS IN TROUBLESHOOTING
  • 5.4.3. PRECAUTIONS WHEN CARRYING OUT MAINTENANCE
  • 5.4.4. CHECKS BEFORE TROUBLESHOOTING
  • 5.4.5. CONNECTOR TYPES AND MOUNTING LOCATIONS
  • 5.4.6. CONNECTION TABLE FOR CONNECTOR PIN NUMBERS
  • 5.4.7. METHOD OF USING TROUBLESHOOTING CHARTS
  • 5.4.8. TROUBLESHOOTING OF ENGINE SYSTEM (S MODE)
  • 5.4.9. TROUBLESHOOTING OF ELECTRICAL SYSTEM (E MODE)
  • 5.4.10. TROUBLESHOOTING OF HYDRAULIC AND MECHANICAL SYSTEM (H MODE)
  • 5.4.11. 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. SPECIAL TOOL
  • 6.5. STARTING MOTOR
  • 6.5.1. REMOVAL AND INSTALLATION
  • 6.6. ALTERATOR
  • 6.6.1. REMOVAL AND INSTALLATION
  • 6.7. AIR CONDITIONER COMPRESSOR
  • 6.7.1. REMOVAL AND INSTALLATION
  • 6.8. CONDENSER
  • 6.8.1. REMOVAL AND INSTALLATION
  • 6.9. ENGINE OIL COOLER CORE
  • 6.9.1. REMOVAL AND INSTALLATION
  • 6.10. FUEL INJECTION PUMP
  • 6.10.1. REMOVAL
  • 6.10.2. INSTALLATION
  • 6.11. WATER PUMP
  • 6.11.1. REMOVAL AND INSTALLATION
  • 6.12. NOZZLE HOLDER
  • 6.12.1. REMOVAL AND INSTALLATION
  • 6.13. TURBOCHARGER
  • 6.13.1. REMOVAL AND INSTALLATION
  • 6.14. THERMOSTAT
  • 6.14.1. REMOVAL AND INSTALLATION
  • 6.15. ENGINE FRONT OIL SEAL
  • 6.15.1. REMOVAL AND INSTALLATION
  • 6.16. ENGINE REAR OIL SEAL
  • 6.16.1. REMOVAL AND INSTALLATION
  • 6.17. CYLINDER HEAD
  • 6.17.1. REMOVAL
  • 6.17.2. INSTALLATION
  • 6.18. ENGINEHYDRAULIC PUMP
  • 6.18.1. REMOVAL
  • 6.18.2. INSTALLATION
  • 6.19. HYDRAULIC OIL COOLER
  • 6.19.1. REMOVAL AND INSTALLATION
  • 6.20. REDIATORHYDRAULIC OIL COOLER
  • 6.20.1. REMOVAL
  • 6.20.2. INSTALLATION
  • 6.21. FUEL TANK
  • 6.21.1. REMOVAL AND INSTALLATION
  • 6.22. CENTER SWIVEL JOINT
  • 6.22.1. REMOVAL AND INSTALLATION
  • 6.22.2. DISASSEMBLY AND ASSEMBLY
  • 6.23. SPROCKET
  • 6.23.1. REMOVAL AND INSTALLATION
  • 6.24. TRAVEL MOTOR
  • 6.24.1. REMOVAL AND INSTALLATION
  • 6.25. SWING MACHINERYSWING MOTOR
  • 6.25.1. REMOVAL AND INSTALLATION
  • 6.26. SWING MACHINERY
  • 6.26.1. DISASSEMBLY
  • 6.26.2. ASSEMBLY
  • 6.27. SWING MOTOR
  • 6.27.1. REMOVAL AND INSTALLATION
  • 6.27.2. DISASSEMBLY
  • 6.27.3. ASSEMBLY
  • 6.28. REVOLVING FRAME
  • 6.28.1. REMOVAL
  • 6.28.2. INSTALLATION
  • 6.29. SWING CIRCLE
  • 6.29.1. REMOVAL AND INSTALLATION
  • 6.30. IDLERRECOIL SPRING
  • 6.30.1. REMOVAL AND INSTALLATION
  • 6.30.2. REMOVAL AND INSTALLATION
  • 6.30.3. DISASSEMBLY
  • 6.30.4. ASSEMBLY
  • 6.31. CARRIER ROLLER
  • 6.31.1. REMOVAL AND INSTALLATION
  • 6.32. TRACK SHOE
  • 6.32.1. REMOVAL AND INSTALLATION
  • 6.33. HYDRAULIC TANK
  • 6.33.1. REMOVAL
  • 6.33.2. INSTALLATION
  • 6.34. CONTROL PUMP
  • 6.34.1. REMOVAL AND INSTALLATION
  • 6.35. MAIN PUMP INPUT SHAFT OIL SEAL
  • 6.35.1. REMOVAL AND INSTALLATION
  • 6.36. LS SELECT VALVE
  • 6.36.1. DISASSEMBLY AND ASSEMBLY
  • 6.37. LS SHUTTLE VALVE
  • 6.37.1. DISASSEMBLY AND ASSEMBLY
  • 6.38. PRESSURE COMPENSATION VALVE
  • 6.38.1. DISASSEMBLY
  • 6.38.2. ASSEMBLY
  • 6.39. TCCLS VALVE
  • 6.39.1. REMOVAL AND INSTALLATION
  • 6.40. LS CONTROL EPC VALVE
  • 6.40.1. REMOVAL AND INSTALLATION
  • 6.41. SOLENOID VALVE
  • 6.41.1. REMOVAL AND INSTALLATION
  • 6.42. WORK EQUIPMENT LEFT SIDE PPC VALVE (FOR ARM, SWING CONTROL)
  • 6.42.1. REMOVAL AND INSTALLATION
  • 6.43. WORK EQUIPMENT RIGHT SIDE PPC VALVE (FOR BOOM, BUCKET CONTROL)
  • 6.43.1. REMOVAL AND INSTALLATION
  • 6.44. WORK EQUIPMENT PPC VALVE (FOR BOOM, ARM, BUCKET, SWING CONTROL PPC VALVE)
  • 6.44.1. DISASSEMBLY
  • 6.44.2. ASSEMBLY
  • 6.45. TRAVEL PPC VALVE
  • 6.45.1. REMOVAL AND INSTALLATION
  • 6.45.2. DISASSEMBLY AND ASSEMBLY
  • 6.46. BUCKET CYLINDER
  • 6.46.1. REMOVAL
  • 6.46.2. INSTALLATION
  • 6.47. HYDRAULIC CYLINDER
  • 6.47.1. REMOVAL AND INTALLATION
  • 6.48. COUNTERWEIGHT
  • 6.48.1. REMOVAL AND INSTALLATION
  • 6.49. MONITOR
  • 6.49.1. REMOVAL AND INSTALLATION
  • 7. MAINTENANCE STANDARD
  • 7.1. SWING MACHINERY
  • 7.2. CENTER SWIVEL JOINT
  • 7.3. WORK EQUIPMENTSWING PPC VALVE
  • 7.4. TRAVEL PPC VALVE
  • 7.5. SERVICE PPC VALVE
  • 7.6. PPC SHUTTLETRAVEL JUNCTION VALVE
  • 7.7. LS CONTROL EPC SOLENOID VALVE
  • 7.8. BOOM HOLDING VALVE
  • 7.9. HYDRAULIC CYLINDER
  • 7.10. WORK EQUIPMENT
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