komatsu pc250 6 pc250lc 6 hydraulic excavator shop manual sebm023200 1

komatsu pc250 6 pc250lc 6 hydraulic excavator shop manual sebm023200 2

komatsu pc250 6 pc250lc 6 hydraulic excavator shop manual sebm023200 3

komatsu pc250 6 pc250lc 6 hydraulic excavator shop manual sebm023200 4

komatsu pc250 6 pc250lc 6 hydraulic excavator shop manual sebm023200 5

Komatsu PC250-6, PC250LC-6 Hydraulic Excavator Shop Manual SEBM023200

$40.00

Type Of Manual: Shop Manual
Manual ID: SEBM023200
Format: PDF
Size: 30.3MB
Number of Pages: 757

Category: Komatsu Shop Manual PDF

Model List:
- PC250-6 Hydraulic Excavator
- PC250LC-6 Hydraulic Excavator

1. COVER
2. CONTENTS
3. GENERAL
3.1. SPECIFICATION DIMENSION DRAWINGS
3.2. SPECIFICATIONS
3.3. WEIGHT TABLE
3.4. FUEL,COOLANT AND LUBRICANTS
4. STRUCTURE AND FUNCTION
4.1. ENGINE RELATED PARTS
4.2. REDIATOR
4.3. RADIATOROIL COOLERAFTERCOOLER
4.4. POWER TRAIN
4.5. FINAL DRIVE
4.6. SWING CIRCLE
4.7. SWING MACHINERY
4.8. TRACK FRAME,RECOIL SPRING
4.9. TRACK SHOE
4.10. HYDRAULIC PIPING DRAWING
4.11. HYDRAULIC TANK
4.12. HYDRAULIC PUMP
4.13. LINE OIL FILTER
4.14. CONTROL VALVE
4.15. SELFREDUCING PRESSURE VALVE
4.16. CLSS
4.17. SWING MOTOR
4.18. CENTER SWIVEL JOINT
4.19. TRAVEL MOTOR
4.20. VALVE CONTROL
4.21. WORK EQUIPMENTSWING PPC VALVE
4.22. TRAVEL PPC VALVE
4.23. SERVICE PPC VALVE
4.24. SAFETY LOCK VALVE
4.25. PPC ACCUMULATOR
4.26. STRAIGHTTRAVEL SYSTEM
4.27. SOLENOID VALVE
4.28. BOOM HOLDING VALVE
4.29. ADDITIONAL FILTER FOR BREAKER
4.30. WORK EQUIPMENT
4.31. AIR CONDITIONER
4.32. ACTUAL ELECTRIC WIRING DIAGRAM
4.33. ENGINE CONTROL SYSTEM
4.34. ELECTRONIC CONTROL SYSTEM
4.35. MONITOR SYSTEM
4.36. SENSORS
4.37. FRONT WINDOW AUTO PULLUP SYSTEM
5. TESTING AND ADJUSTING
5.1. TABLE OF JUDGEMENT STANDARD VALUE
5.2. STANDARD VALUE TABLE FOR 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 BELT TENSION
5.3.10. TESTING AND ADJUSTING BELT TENSION FOR AIR CONDITIONER COMPRESSOR
5.3.11. MEASURING SPEED SENSOR
5.3.12. TESTING AND ADJUSTING GOVERNOR MOTOR LEVER STROKE
5.3.13. TESTING AND ADJUSTING HYDRAULIC PRESSURE IN WORK EPUIPMENT,SWING,TRAVEL,CIRCUIT
5.3.14. TESTING AND ADJUSTING PC VALVE OUTPUT PRESSURE (SERVO PISTON INPUIT PRESSURE)
5.3.15. TESTING AND ADJUSTING LS VALVE OUTPUT PRESSURE (SERVO PISTON INPUT PRESSURE)AND LS DIFFERENTIAL PRESSURE
5.3.16. TESTING AND ADJUSTING CONTROL CIRCUIT OIL PRESSURE
5.3.17. TESTING SOLENOID VALVE OUTPUT PRESSURE
5.3.18. MEASURING PPC VALVE OUTPUT PRESSURE
5.3.19. ADJUSTING WORK EQUIPMENTSWING PPC VALVE
5.3.20. TESTING TRAVEL DEVIATION
5.3.21. TESTING LOCATIONS CAUSING HYDRAULIC DRIFT OF WORK EQUIPMENT
5.3.22. MEASURING OIL LEAKAGE
5.3.23. RELEASING REMAINING PRESSURE IN HYDRAULIC CIRCUIT
5.3.24. TESTING CLEARANCE OF SWING CIRCLE BEARING
5.3.25. TESTING AND ADJUSTING TRACK SHOE TENSION
5.3.26. BLEEDING AIR
5.4. TROUBLESHOOTING
5.4.1. POINTS TO REMEMBER WHEN TROUBLESHOOTING
5.4.2. SEQUENCE OF EVENTS IN TROUBLESHOOTING
5.4.3. POINTS TO REMEMBER 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. EXPLANATION OF CONTROL MECHANISM FOR ELECTRICAL SYSTEM
5.4.8. DISPLAY METHOD AND SPECIAL FUNCTIONS OF MONITOR PANEL
5.4.9. METHOD OF USING JUDGEMENT TABLE
5.4.10. METHOD OF USING TROUBLESHOOTING CHARTS
5.4.11. DETAILS OF TROUBLESHOOTING AND TROUBLESHOOTING PROCEDURE
5.4.12. SERVICE CODE TABLE
5.4.13. TROUBLESHOOTING OF COMMUNICATION ABNORMALITY SYSTEM (N MODE)
5.4.14. TROUBLESHOOTING OF ENGINE THROTTLEPUMP CONTROLLER (GOVERNOR CONTROL SYSTEM) (E MODE)
5.4.15. TROUBLESHOOTING OF ENGINE SYSTEM (S MODE)
5.4.16. TROUBLESHOOTING OF ENGINE THROTTLEPUMP CONTROLLER (PUMP CONTROL SYSTEM) (C MODE)
5.4.17. TROUBLESHOOTING OF ENGINE THROTTLEPUMP CONTROLLER (INPUT SIGNAL SYSTEM) (F MODE)
5.4.18. TROUBLESHOOTING OF HYDRAULIC AND MECHANICAL SYSTEM (H MODE)
5.4.19. 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. AIR CONDITIONER COMPRESSOR
6.7.1. REMOVAL AND INSTALLATION
6.8. AIR CONDITIONER CONDENSER
6.8.1. REMOVAL AND INSTALLATION
6.9. DRY RECEIVER
6.9.1. REMOVAL AND INSTALLATION
6.10. ENGINE OIL COOLER CORE
6.10.1. REMOVAL AND INSTALLATION
6.11. FUEL INJECTION PUMP
6.11.1. REMOVAL AND INSTALLATION
6.12. TURBOCHARGER
6.12.1. REMOVAL AND INSTALLATION
6.13. THERMOSTAT
6.13.1. REMOVAL
6.13.2. INSTALLATION
6.14. GOVERNOR MOTOR
6.14.1. REMOVAL AND INSTALLATION
6.15. CYLINDER HEAD
6.15.1. REMOVAL
6.15.2. INSTALLATION
6.16. HYDRAULIC OIL COOLER
6.16.1. REMOVAL AND INSTALLATION
6.17. RADIATOR,HYDRAULIC OIL COOLER
6.17.1. REMOVAL
6.17.2. INSTALLATION
6.18. ENGINE,MAIN PUMP
6.18.1. REMOVAL
6.18.2. INSTALLATION
6.19. DAMPER
6.19.1. REMOVAL AND INSTALLATION
6.20. FUEL TANK
6.20.1. REMOVAL AND INSTALLATION
6.21. CENTER SWIVEL JOINT
6.21.1. REMOVAL
6.21.2. INSTALLATION
6.21.3. DISASSEMBLY AND ASSEMBLY
6.22. FINAL DRIVE
6.22.1. REMOVAL AND INSTALLATION
6.22.2. REMOVAL AND INSTALLATION
6.23. SWING MOTOR AND SWING MACHINERY
6.23.1. REMOVAL
6.23.2. INSTALLATION
6.24. SWING MACHINERY
6.25. REVOLVING FRAME
6.25.1. REMOVAL
6.25.2. INSTALLATION
6.26. SWING CIRCLE
6.26.1. REMOVAL AND INSTALLATION
6.27. IDLER,RECOIL SPRING
6.27.1. REMOVAL AND INSTALLATION
6.27.2. REMOVAL AND INSTALLATION
6.27.3. DISASSEMBLY
6.27.4. ASSEMBLY
6.28. CARRIER ROLLER
6.28.1. REMOVAL AND INSTALLATION
6.28.2. DISASSEMBLY
6.28.3. ASSEMBLY
6.29. TRACK SHOE
6.29.1. REMOVAL AND INSTALLATION
6.30. MAIN PUMP INPUT SHAFT OIL SEAL
6.30.1. REMOVAL AND INSTALLATION
6.31. PUMP MERGEDIVIDER VALVE
6.31.1. DISASSEMBLY AND ASSEMBLY
6.32. MAIN RELIEF VALVE
6.32.1. DISASSEMBLY AND ASSEMBLY
6.33. PC VALVE
6.33.1. REMOVAL
6.33.2. INSTALLATION
6.34. LS VALVE
6.34.1. REMOVAL AND INSTALLATION
6.35. PC, LSEPC VALVE
6.35.1. REMOVAL AND INSTALLATION
6.36. SOLENOID VALVE
6.36.1. REMOVAL AND INSTALLATION
6.37. WORK EQUIPMENTSWING PPC VALVE
6.37.1. REMOVAL AND INSTALLATION
6.37.2. DISASSEMBLY
6.37.3. ASSEMBLY
6.38. TEAVEL PPC VALVE
6.38.1. REMOVAL AND INSTALLATION
6.38.2. DISASSEMBLY
6.39. BOOM LOCK VALVE
6.39.1. REMOVAL AND INSTALLATION
6.40. BUCKET CYLINDER
6.40.1. REMOVAL
6.40.2. INSTALLATION
6.41. HYDRAULIC CYLINDER
6.41.1. DISASSEMBLY
6.41.2. ASSEMBLY
6.42. WORK EQUIPMENT
6.42.1. REMOVAL AND INSTALLATION
6.43. ENGINE THROTTLEPUMP CONTROLLER
6.43.1. REMOVAL AND INSTALLATION
6.44. CONTROL STAND CASE
6.44.1. REMOVAL
6.44.2. INSTALLATION
6.45. MONITOR
6.45.1. REMOVAL AND INSTALLATION
7. MAINTENANCE STANDARD
7.1. SWING MACHINERY
7.2. FINAL DRIVE
7.3. SWING CIRCLE
7.4. TRACK FRAME AND RECOIL SPRING
7.5. SELFREDUCING PRESSURE VALVE
7.6. SWING MOTOR
7.7. TRAVEL MOTOR
7.8. WORK EQUIPMENTSWING PPC VALVE
7.9. TRAVEL PPC VALVE
7.10. SERVICE PPC VALVE
7.11. CENTER SWIVEL JOINT
7.12. BOOM HOLDING VALVE
7.13. HYDRAULIC CYLINDER
7.14. WORK EQUIPMENT
7.15. DIMENSION OF WORK EQUIPMENT
8. OTHERS
8.1. HYDRAULIC CIRCUIT DIAGRAM
8.2. ELECTRICAL CIRCUIT DIAGRAM (1/2)
8.3. ELECTRICAL CIRCUIT DIAGRAM (2/2)

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