Komatsu PC78MR-6 Hydraulic Excavator Shop Manual SEBM030604
Komatsu PC78MR-6 Hydraulic Excavator Shop Manual SEBM030604 - Image 2
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Komatsu PC78MR-6 Hydraulic Excavator Shop Manual SEBM030604 - Image 5

Komatsu PC78MR-6 Hydraulic Excavator Shop Manual SEBM030604

$50.00

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

Description

  • 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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