komatsu pc750 6 pc800 6 hydraulic excavator shop manual sebm025306 1

komatsu pc750 6 pc800 6 hydraulic excavator shop manual sebm025306 2

komatsu pc750 6 pc800 6 hydraulic excavator shop manual sebm025306 3

komatsu pc750 6 pc800 6 hydraulic excavator shop manual sebm025306 4

komatsu pc750 6 pc800 6 hydraulic excavator shop manual sebm025306 5

Komatsu PC750-6, PC800-6 Hydraulic Excavator Shop Manual SEBM025306

$40.00

Type Of Manual: Shop Manual
Manual ID: SEBM025306
Format: PDF
Size: 26.8MB
Number of Pages: 746

Category: Komatsu Shop Manual PDF

Model List:
- PC750-6 Hydraulic Excavator
- PC800-6 Hydraulic Excavator

1. COVER
2. CONTENTS
3. GENERAL
3.1. SPECIFICATION DRAWINGS
3.2. SPECIFICATIONS
3.3. WEIGHT TABLE
3.4. FUEL, COOLANT AND LUBRICANTS
4. STRUCTURE, FUNCTION AND MAINTENANCE STANDARD
4.2. PTO LUBRICATION SYSTEM
4.3. POWER TRAIN
4.4. SWING MACHINERY
4.5. SWING CIRCLE
4.6. FINAL DRIVE
4.7. TRACK FRAME AND RECOIL SPRING
4.8. IDLER
4.9. CARRIER ROLLER
4.10. TRACK ROLLER
4.11. TRACK SHOE
4.12. MOTOR GREASE PUMP
4.13. HYDRAULIC TANK
4.14. HYDRAULIC PUMP
4.15. LINE OIL FILTER
4.16. PILOT OIL FILTER
4.17. DRAIN OIL FILTER
4.18. SPOOL CONTROL VALVE
4.19. SPOOL CONTROL VALVE
4.20. STRAIGHTTRAVEL VALVE
4.21. SWING MOTOR
4.22. CENTER SWIVEL JOINT
4.23. TRAVEL MOTOR
4.24. PPC CONTROL RELIEF VALVE
4.25. SAFETY LOCK VALVE
4.26. PPC ACCUMULATOR
4.27. VALVE CONTROL
4.28. WORK EQUIPMENT, SWING PPC VALVE
4.29. TRAVEL PPC VALVE
4.30. SOLENOID VALVE
4.31. HYDRAULIC CYLINDER
4.32. WORK EQUIPMENT
4.33. DIMENSIONS OF WORK EQUIPMENT
4.34. AIR CONDITIONER
4.35. ENGINE CONTROL
4.36. MACHINE CONTROL SYSTEM
4.37. MONITOR SYSTEM
4.38. SENSORS
5. TESTING AND ADJUSTING
5.1. STANDARD VALUE TABLE FOR ENGINE
5.2. STANDARD VALUE TABLE FOR CHASSIS
5.3. STANDARD VALUE TABLE FOR ELECTRICAL PARTS
5.4. TOOLS FOR TESTING, ADJUSTING, AND TROUBLESHOOTING
5.5. MEASURING AIR SUPPLY PRESSURE (BOOST PRESSURE)
5.6. MEASURING EXHAUST TEMPERATURE
5.7. MEASURING EXHAUST COLOR
5.8. ADJUSTING VALVE CLEARANCE
5.9. MEASURING BLOWBY PRESSURE
5.10. MEASURING COMPRESSION PRESSURE
5.11. MEASURING ENGINE OIL PRESSURE
5.12. HANDLING EQUIPMENT IN FUEL CIRCUIT
5.13. RELEASING REMAINING PRESSURE IN FUEL SYSTEM
5.14. MEASURING FUEL PRESSURE
5.15. REDUCED CYLINDER MODE OPERATION FOR ENGINE
5.16. BLEEDING AIR FROM FUEL CIRCUIT
5.17. CHECKING FOR LEAKAGE IN FUEL CIRCUIT
5.18. TESTING AND ADJUSTING ALTERNATOR BELT TENSION
5.19. TESTING AND ADJUSTING FAN BELT TENSION
5.20. TESTING AND ADJUSTING AIR CONDITIONER COMPRESSOR DRIVE BELT TENSION
5.21. HANDLING ENGINE CONTROLLER HIGH VOLTAGE CIRCUIT
5.22. ADJUSTING ENGINE SPEED SENSOR
5.23. TESTING AND ADJUSTING HYDRAULIC PRESSURE IN WORK EQUIPMENT, SWING, TRAVEL CIRCUIT
5.24. TESTING AND ADJUSTING CONTROL PUMP CIRCUIT OIL PRESSURE
5.25. TESTING AND ADJUSTING PISTON PUMP CONTROL PRESSURE
5.26. MEASURING SERVO PISTON STROKE
5.27. MEASURING PPC VALVE OUTPUT PRESSURE
5.28. TESTING SOLENOID VALVE OUTPUT PRESSURE
5.29. ADJUSTING WORK EQUIPMENT, SWING PPC VALVE
5.30. TESTING TRAVEL DEVIATION
5.31. TESTING LOCATIONS CAUSING HYDRAULIC DRIFT OF WORK EQUIPMENT
5.32. MEASURING OIL LEAKAGE
5.33. TESTING CLEARANCE OF SWING CIRCLE BEARING
5.34. TESTING AND ADJUSTING TRACK SHOE TENSION
5.35. BLEEDING AIR
5.36. RELEASING REMAINING PRESSURE IN HYDRAULIC CIRCUIT
5.37. PROCEDURE FOR CHECKING DIODE
5.38. TROUBLESHOOTING
5.38.1. POINTS TO REMEMBER WHEN TROUBLESHOOTING
5.38.2. SEQUENCE OF EVENTS IN TROUBLESHOOTING
5.38.3. POINTS TO REMEMBER WHEN CARRYING OUT MAINTENANCE
5.38.4. CHECKS BEFORE TROUBLESHOOTING
5.38.5. CONNECTOR TYPES AND MOUNTING LOCATIONS
5.38.6. CONNECTION TABLE FOR CONNECTOR PIN NUMBERS
5.38.7. EXPLANATION OF CONTROL MECHANISM FOR ELECTRICAL SYSTEM
5.38.8. DISPLAY METHOD AND SPECIAL FUNCTIONS OF MONITOR PANEL
5.38.9. METHOD OF USING JUDGEMENT TABLE
5.38.10. METHOD OF USING TROUBLESHOOTING CHARTS
5.38.11. DETAILS OF TROUBLESHOOTING AND TROUBLESHOOTING PROCEDURE
5.38.12. TROUBLESHOOTING OF COMMUNICATION ABNORMALITY SYSTEM (N MODE)
5.38.13. TROUBLESHOOTING OF ENGINE CONTROLLER SYSTEM (E MODE)
5.38.14. TROUBLESHOOTING OF PUMP CONTROLLER SYSTEM (C MODE)
5.38.15. TROUBLESHOOTING OF ENGINE THROTTLE PUMP CONTROLLER (INPUT SIGNAL SYSTEM) (F MODE)
5.38.16. TROUBLESHOOTING OF HYDRAULIC, MECHANICAL SYSTEM (H MODE)
5.38.17. 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. FUEL SUPPLY PUMP ASSEMBLY
6.5.1. REMOVAL
6.5.2. INSTALLATION
6.6. FUEL INJECTOR ASSEMBLY
6.7. ENGINE FRONT SEAL
6.7.1. REMOVAL
6.7.2. INSTALLATION
6.8. ENGINE REAR SEAL
6.8.1. REMOVAL
6.8.2. INSTALLATION
6.9. CYLINDER HEAD ASSEMBLY
6.9.1. REMOVAL
6.9.2. INSTALLATION
6.10. AFTERCOOLER CORE
6.10.1. REMOVAL
6.10.2. INSTALLATION
6.11. FAN GUARD, RADIATOR AND HYDRAULIC OIL COOLER ASSEMBLY
6.11.1. REMOVAL
6.11.2. INSTALLATION
6.12. FUEL COOLER AND AIR CONDITIONER CONDENSER ASSEMBLY
6.12.1. REMOVAL
6.12.2. INSTALLATION
6.13. FUEL TANK ASSEMBLY
6.13.1. REMOVAL
6.13.2. INSTALLATION
6.14. ENGINE, PTO AND HYDRAULIC PUMP ASSEMBLY
6.15. FINAL DRIVE ASSEMBLY
6.15.1. DISASSEMBLY
6.15.2. ASSEMBLY
6.16. REVOLVING FRAME ASSEMBLY
6.16.1. REMOVAL
6.16.2. INSTALLATION
6.17. SWING MACHINERY ASSEMBLY
6.17.1. REMOVAL
6.17.2. INSTALLATION
6.17.3. DISASSEMBLY
6.17.4. ASSEMBLY
6.18. SWING CIRCLE ASSEMBLY
6.18.1. REMOVAL
6.18.2. INSTALLATION
6.19. TRACK SHOE ASSEMBLY
6.19.1. REMOVAL
6.19.2. INSTALLATION
6.20. ONE LINK IN FIELD
6.21. IDLER ADJUSTMENT CYLINDER ASSEMBLY
6.21.1. DISASSEMBLY
6.21.2. ASSEMBLY
6.22. RECOIL SPRING ASSEMBLY
6.22.1. REMOVAL
6.22.2. INSTALLATION
6.22.3. DISASSEMBLY
6.22.4. ASSEMBLY
6.23. CARRIER ROLLER ASSEMBLY
6.23.1. REMOVAL
6.23.2. INSTALLATION
6.23.3. DISASSEMBLY
6.23.4. ASSEMBLY
6.24. TRACK ROLLER ASSEMBLY
6.24.1. REMOVAL
6.24.2. INSTALLATION
6.24.3. DISASSEMBLY
6.24.4. ASSEMBLY
6.25. HYDRAULIC TANK ASSEMBLY
6.25.1. REMOVAL
6.25.2. INSTALLATION
6.26. MAIN PUMP (NO. 1 PUMP) ASSEMBLY
6.26.1. REMOVAL
6.26.2. INSTALLATION
6.27. MAIN PUMP (NO. 2 PUMP)
6.27.1. REMOVAL
6.27.2. INSTALLATION
6.28. MAIN PUMP INPUT SHAFT OIL SEAL
6.28.1. REMOVAL
6.28.2. INSTALLATION
6.29. CONTROL PTO LUBRICATION PUMP ASSEMBLY
6.29.1. REMOVAL
6.29.2. INSTALLATION
6.30. MAIN RELIEF VALVE ASSEMBLY
6.30.1. DISASSEMBLY
6.30.2. ASSEMBLY
6.31. CONTROL VALVE ASSEMBLY
6.31.1. REMOVAL
6.31.2. INSTALLATION
6.31.3. DISASSEMBLY
6.31.4. ASSEMBLY
6.32. SOLENOID VALVE ASSEMBLY
6.32.1. REMOVAL
6.32.2. INSTALLATION
6.33. BOOM DAMPING VALVE ASSEMBLY
6.33.1. REMOVAL
6.33.2. INSTALLATION
6.34. SWING MOTOR ASSEMBLY
6.34.1. REMOVAL
6.34.2. INSTALLATION
6.35. CENTER SWIVEL JOINT
6.35.1. REMOVAL
6.35.2. INSTALLATION
6.35.3. DISASSEMBLY
6.35.4. ASSEMBLY
6.36. TRAVEL MOTOR ASSEMBLY
6.36.1. REMOVAL
6.36.2. INSTALLATION
6.37. WORK EQUIPMENT PPC VALVE ASSEMBLY
6.37.1. DISASSEMBLY
6.37.2. ASSEMBLY
6.38. TRAVEL PPC VALVE ASSEMBLY
6.38.1. DISASSEMBLY
6.38.2. ASSEMBLY
6.39. BUCKET CYLINDER ASSEMBLY
6.39.1. REMOVAL
6.39.2. INSTALLATION
6.40. ARM CYLINDER ASSEMBLY
6.40.1. REMOVAL
6.40.2. INSTALLATION
6.41. BOOM CYLINDER ASSEMBLY
6.41.1. REMOVAL
6.41.2. INSTALLATION
6.42. BOTTOM DUMP CYLINDER ASSEMBLY
6.42.1. REMOVAL
6.42.2. INSTALLATION
6.43. HYDRAULIC CYLINDER ASSEMBLY
6.43.1. DISASSEMBLY
6.43.2. ASSEMBLY
6.44. BUCKET ASSEMBLY
6.45. OPERATORS CAB ASSEMBLY
6.45.1. REMOVAL
6.45.2. INSTALLATION
6.46. COUNTERWEIGHT ASSEMBLY
6.46.1. REMOVAL
6.46.2. INSTALLATION
7. OTHERS
7.1. HYDRAULIC CIRCUIT DRAWING (BACKHOE SPECIFICATION)
7.2. HYDRAULIC CIRCUIT DRAWING (LOADING SHOVEL SPECIFICATION)
7.3. ELECTRIC CIRCUIT DIAGRAM (1/4)
7.4. ELECTRIC CIRCUIT DIAGRAM (2/4)
7.5. ELECTRIC CIRCUIT DIAGRAM (3/4)
7.6. ELECTRIC CIRCUIT DIAGRAM (4/4)

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