Komatsu PC78MR-6 Hydraulic Excavator Shop Manual SEBM030604

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Komatsu PC78MR-6 Hydraulic Excavator Shop Manual SEBM030604 - Image 4

Komatsu PC78MR-6 Hydraulic Excavator Shop Manual SEBM030604 - Image 5

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Komatsu PC78MR-6 Hydraulic Excavator Shop Manual SEBM030604

$40.00

Type Of Manual: Shop Manual
Manual ID: SEBM030604
Format: PDF
Size: 36.1MB
Number of Pages: 589

Category: Komatsu Shop Manual PDF

Model List:
- PC78MR-6 Hydraulic Excavator

0.1. HOW TO READ THE SHOP MANUAL
0.2. HOISTING INSTRUCTIONS
0.3. METHOD OF DISASSEMBLING, CONNECTING PUSHPULL TYPE COUPLER
0.4. COATING MATERIALS
0.5. STANDARD TIGHTENING TORQUE
0.6. ELECTRIC WIRE CODE
0.7. CONVERSION TABLE
0.8. UNITS
1. GENERAL
1.1. SPECIFICATION DIMENSIONS DRAWING
1.2. WORKING RANGE DRAWING
1.3. SPECIFICATIONS
1.4. WEIGHT TABLE
1.5. LIST OF LUBRICANTS AND COOLANT
2. STRUCTURE, FUNCTION AND MAINTENANCE STANDARD
2.2. COOLING SYSTEM
2.3. POWER TRAIN SYSTEM
2.4. SWING CIRCLE
2.5. SWING MACHINERY
2.6. TRACK FRAME AND IDLER CUSHION
2.7. ARRANGEMENT OF HYDRAULIC COMPONENTS
2.8. HYDRAULIC TANK AND OIL FILTER
2.9. CENTER SWIVEL JOINT
2.10. TRAVEL MOTOR
2.11. WORK EQUIPMENT CYLINDER
2.12. SOLENOID VALVE
2.13. SOLENOID VALVE (FOR EU SPEC.)
2.14. ACCUMULATOR FOR PPC
2.15. MULTICONTROL VALVE
2.16. ACCUMULATOR FOR BRAKER
2.17. HYDRAULIC PUMP
2.18. CONTROL VALVE
2.19. CLSS
2.20. SWING MOTOR
2.21. WORK EQUIPMENT AND SWING PPC VALVE
2.22. TRAVEL PPC VALVE
2.23. BOOM SWING PPC VALVE, BLADE PPC VALVE
2.24. BOOM HYDRAULIC ANTIBURST VALVE (FOR EU SPEC)
2.25. WORK EQUIPMENT
2.26. DIMENSIONS OF EACH PART OF WORK EQUIPMENT
2.27. AIR CONDITIONER PIPING (OPTIONAL)
2.28. ELECTRIC CONTROL SYSTEM
2.29. SYSTEM COMPONENTS
2.30. MONITOR SYSTEM
2.31. SENSORS
3. TESTING AND ADJUSTING
3.1. STANDARD VALUE TABLE FOR ENGINE
3.2. STANARD VALUE TABLE FOR CHASSIS
3.3. STANDARD VALUE TABLE FOR ELECTRIC PARTS
3.4. TESTING AND ADJUSTING
3.4.1. LIST OF DEVICES FOR TESTING, ADJUSTING, AND TROUBLESHOOTING
3.4.2. MEASURING ENGINE SPEED
3.4.3. MEASURING EXHAUST GAS COLOR
3.4.4. ADJUSTING VALVE CLEARANCE
3.4.5. MEASURING COMPRESSION PRESSURE
3.4.6. MEASURING BLOWBY PRESSURE
3.4.7. TESTING AND ADJUSTING FUEL INJECTION TIMING
3.4.8. MEASURING ENGINE OIL PRESSURE
3.4.9. ADJUSTING ENGINE STOP SOLENOID
3.4.10. ADJUSTING FUEL CONTROL LINKAGE
3.4.11. ADJUSTING ENGINE SPEED SENSOR
3.4.12. TESTING AND ADJUSTING HYDRAULIC PRESSURE IN WORK EQUIPMENT, SWING, AND TRAVEL CIRCUITS
3.4.13. MEASURING LS DIFFERENTIAL PRESSURE AND ADJUSTING LS VALVE
3.4.14. ADJUSTING PC VALVE
3.4.15. TESTING TVCEPC SOLENOID OUTPUT PRESSURE
3.4.16. MEASURING CONTROL CIRCUIT PRESSURE
3.4.17. MEASURING PPC VALVE OUTPUT PRESSURE
3.4.18. TESTING SOLENOID VALVE OUTPUT PRESSURE
3.4.19. ADJUSTING WORK EQUIPMENT VALVE AND SWING PPC VALVE
3.4.20. TESTING TRAVEL DEVIATION
3.4.21. TESTING PARTS WHICH CAN CAUSE HYDRAULIC DRIFT OF WORK EQUIPMENT
3.4.22. MEASURING OIL LEAKAGE FROM SWING AND TRAVEL MOTORS
3.4.23. RELEASING RESIDUAL PRESSURE FROM HYDRAULIC CIRCUIT
3.4.24. TESTING CLEARANCE OF SWING CIRCLE BEARING
3.4.25. TESTING AND ADJUSTING TRACK SHOE TENSION
3.4.26. BLEEDING AIR FROM HYDRAULIC CIRCUIT
3.4.27. REPLACEMENT PROCEDURE OF POTENTIOMETERS
3.4.28. PROCEDURE FOR TESTING DIODE
3.5. TROUBLESHOOTING
3.5.1. POINTS TO REMEMBER WHEN TROUBLESHOOTING
3.5.2. SEQUENCE OF EVENTS IN TROUBLESHOOTING
3.5.3. POINTS TO REMEMBER WHEN CARRYING OUT MAINTENANCE
3.5.4. CHECKS BEFORE TROUBLESHOOTING
3.5.5. TYPE AND LOCATION OF CONNECTORS
3.5.6. CONNECTOR ARRANGEMENT DIAGRAM
3.5.7. CONNECTION TABLE FOR CONNECTOR PIN NUMBERS
3.5.8. EXPLANATION OF FUNCTIONS OF ELECTRIC SYSTEM CONTROL MECHANISM
3.5.9. DISPLAY AND SPECIAL FUNCTIONS OF MONITOR PANEL
3.5.10. TVC VALVE CURRENT ADJUSTMENT TABLE
3.5.11. METHOD OF USING JUDGEMENT TABLE
3.5.12. HOW TO READ FLOW OF TROUBLESHOOTING
3.5.13. CONTENTS AND PROCEDURE OF TROUBLESHOOTING
3.5.14. TROUBLESHOOTING OF ENGINE (S MODE)
3.5.15. TROUBLESHOOTING OF COMMUNICATION SYSTEM (N MODE)
3.5.16. TROUBLESHOOTING FOR CONTROLLER (GOVERNOR CONTROL SYSTEM) (E MODE)
3.5.17. TROUBLESHOOTING FOR CONTROLLER PUMP CONTROL SYSTEM (C MODE)
3.5.18. TROUBLESHOOTING FOR CONTROLLER (INPUT SIGNAL SYSTEM) (F MODE)
3.5.19. TROUBLESHOOTING FOR HYDRAULIC AND MECHANICAL SYSTEMS (H MODE)
3.5.20. TROUBLESHOOTING FOR MACHINE MONITOR SYSTEM (M MODE)
4. DISASSEMBLY AND ASSEMBLY
4.1. METHOD OF USING MANUAL
4.2. PRECAUTIONS WHEN CARRYING OUT OPERATION
4.3. SPECIAL TOOL LIST
4.4. COUNTERWEIGHT
4.4.1. REMOVAL AND INSTALLATION
4.5. INJECTION PUMP
4.5.1. REMOVAL AND INSTALLATION
4.6. ENGINE AND MAIN PUMP
4.6.1. REMOVAL
4.6.2. INSTALLATION
4.7. HYDRAULIC OIL COOLER
4.7.1. REMOVAL AND INSTALLATION
4.8. RADIATOR
4.8.1. REMOVAL
4.8.2. INSTALLATION
4.9. SWING MOTOR AND SWING MACHINERY
4.9.1. REMOVAL AND INSTALLATION
4.10. SWING MACHINERY
4.10.1. DISASSEMBLY
4.10.2. ASSEMBLY
4.11. SWING MOTOR
4.11.1. REMOVAL AND INSTALLATION
4.12. CENTER SWIVEL JOINT
4.12.1. REMOVAL
4.12.2. INSTALLATION
4.12.3. DISASSEMBLY AND ASSEMBLY
4.13. CONTROL VALVE
4.13.1. REMOVAL AND INSTALLATION
4.13.2. ASSEMBLY
4.14. WORK EQUIPMENT PPC VALVE
4.14.1. ASSEMBLY
4.15. TRAVEL PPC VALVE
4.15.1. ASSEMBLY
4.16. HYDRAULIC TANK
4.16.1. REMOVAL AND INSTALLATION
4.17. FUEL TANK
4.17.1. REMOVAL
4.17.2. INSTALLATION
4.18. CONTROLLER
4.18.1. REMOVAL AND INSTALLATION
4.19. MONITOR PANEL
4.19.1. REMOVAL AND INSTALLATION
4.20. AIR CONDITIONER UNIT
4.20.1. REMOVAL
4.20.2. INSTALLATION
4.21. OPERATORS CAB
4.21.1. REMOVAL AND INSTALLATION
4.22. FLOOR FRAME
4.22.1. REMOVAL
4.22.2. INSTALLATION
4.23. REVOLVING FRAME
4.23.1. REMOVAL AND INSTALLATION
4.24. SWING CIRCLE
4.24.1. REMOVAL AND INSTALLATION
4.25. WORK EQUIPMENT
4.26. STEEL SHOE, RUBBER PAD SHOE, ROAD LINER
4.26.1. EXPANSION AND INSTALLATION
4.27. RUBBER SHOE
4.27.1. REMOVAL AND INSTALLATION
4.28. HYDRAULIC CYLINDER
4.28.1. DISASSEMBLY
4.28.2. ASSEMBLY
5. OTHERS
5.1. HYDRAULIC CIRCUIT DIAGRAM (FOR STD SPEC)
5.2. HYDRAULIC CIRCUIT DIAGRAM (FOR EU SPEC)
5.3. ELECTRICAL CIRCUIT DIAGRAM (FOR STD SPEC) (1/2)
5.4. ELECTRICAL CIRCUIT DIAGRAM (FOR STD SPEC) (2/2)
5.5. ELECTRICAL CIRCUIT DIAGRAM (FOR EU SPEC) (1/2)
5.6. ELECTRICAL CIRCUIT DIAGRAM (FOR EU SPEC) (2/2)
5.7. ELECTRICAL CIRCUIT DIAGRAM (FOR NORWAY SPEC.) (1/2)
5.8. ELECTRICAL CIRCUIT DIAGRAM (FOR NORWAY SPEC.) (2/2)

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