Komatsu PC27MR-2, PC30MR-2, PC35MR-2, PC40MR-2, PC50MR-2 Hydraulic Excavator Shop Manual SEBM032406

Description

• Model List:
  • PC27MR-2 Hydraulic Excavator
  • PC30MR-2 Hydraulic Excavator
  • PC35MR-2 Hydraulic Excavator
  • PC40MR-2 Hydraulic Excavator
  • PC50MR-2 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 DIMENSION DRAWING
• 1.2. WORKING RANGE DRAWING
• 1.3. SPECIFICATIONS
• 1.4. WEIGHT TABLE
• 1.5. LUBRICANTS, FUEL AND COOLANT SPECIFICATIONS
• 2. STRUCTURE, FUNCTION AND MAINTENANCE STANDARD
• 2.2. COOLING SYSTEM
• 2.3. POWER TRAIN
• 2.4. SWING CIRCLE
• 2.5. SWING MACHINERY
• 2.6. HYDRAULIC COMPONENTS LAYOUT DRAWING
• 2.7. HYDRAULIC TANK
• 2.8. CENTER SWIVEL JOINT
• 2.9. TRAVEL MOTOR
• 2.10. HYDRAULIC CYLINDER
• 2.11. SOLENOID VALVE
• 2.12. MULTICONTROL VALVE
• 2.13. HYDRAULIC PUMP
• 2.14. CONTROL VALVE
• 2.15. CLSS
• 2.16. OPERATION FOR EACH FUNCTION AND VALVE
• 2.17. SWING MOTOR
• 2.18. PPC VALVE
• 2.19. WORK EQUIPMENT
• 2.20. DIMENSIONS OF EACH PART OF WORK EQUIPMENT
• 2.21. FLOOR
• 2.22. AIR CONDITIONER
• 2.23. ENGINE CONTROL
• 2.24. ELECTRIC CONTROL SYSTEM
• 2.25. COMPONENT PARTS OF SYSTEM
• 2.26. MONITOR SYSTEM
• 2.27. MONITOR PANEL
• 2.28. SENSORS
• 3. TESTING AND ADJUSTING
• 3.1. STANDARD VALUE TABLE FOR ENGINE RELATED PARTS
• 3.2. STANDARD VALUE TABLE FOR CHASSIS RELATED PARTS
• 3.3. TESTING AND ADJUSTING
• 3.3.1. LIST OF TESTING, ADJUSTING, AND TROUBLESHOOTING TOOLS
• 3.3.2. MEASURING ENGINE SPEED
• 3.3.3. MEASUREMENT OF EXHAUST GAS COLOR
• 3.3.4. ADJUSTING VALVE CLEARANCE
• 3.3.5. MEASURING COMPRESSION PRESSURE
• 3.3.6. MEASURING ENGINE OIL PRESSURE
• 3.3.7. TESTING AND ADJUSTING FUEL INJECTION TIMING
• 3.3.8. TESTING AND ADJUSTING ALTERNATOR BELT TENSION
• 3.3.9. TESTING AND ADJUSTING AIR CONDITIONER COMPRESSOR BELT TENSION
• 3.3.10. ADJUSTING FUEL CONTROL LEVER
• 3.3.11. TESTING AND ADJUSTING TRACK SHOE TENSION
• 3.3.12. MEASUREMENT OF CLEARANCE IN SWING CIRCLE BEARINGS
• 3.3.13. MEASURING AND ADJUSTING OIL PRESSURES IN WORK EQUIPMENT, TRAVEL, BOOM SWING, SWING, AND BLADE CIRCUITS
• 3.3.14. MEASURING AND ADJUSTING LS DIFFERENTIAL PRESSURE
• 3.3.15. ADJUSTING PC VALVE
• 3.3.16. MEASURING CONTROL CIRCUIT OIL PRESSURE (OIL PRESSURE REDUCED BY SELF PRESSURE)
• 3.3.17. MEASURING AND ADJUSTING CONTROL PUMP CIRCUIT OIL PRESSURE
• 3.3.18. MEASURING SOLENOID VALVE OUTPUT PRESSURE
• 3.3.19. MEASURING PPC VALVE OUTPUT PRESSURE
• 3.3.20. ADJUSTING PPC VALVE
• 3.3.21. MEASURING SWING HOLDING BRAKE RELEASE PRESSURE
• 3.3.22. TESTING AND ADJUSTING TRAVEL DEVIATION
• 3.3.23. MEASUREMENT OF OIL LEAKAGE FROM WORK EQUIPMENT CYLINDER
• 3.3.24. BLEEDING AIR FROM EACH PART
• 3.3.25. RELEASING RESIDUAL PRESSURE FROM HYDRAULIC CIRCUIT
• 3.3.26. RELEASING RESIDUAL PRESSURE FROM HYDRAULIC TANK
• 3.3.27. PRESSURIZING HYDRAULIC TANK
• 3.3.28. HOW TO OPEN AND CLOSE (TILT) FLOOR
• 3.3.29. INSPECTION PROCEDURES FOR DIODE
• 3.4. TROUBLESHOOTING
• 3.4.1. POINTS TO REMEMBER WHEN TROUBLESHOOTING
• 3.4.2. SEQUENCE OF EVENTS IN TROUBLESHOOTING
• 3.4.3. POINTS TO REMEMBER WHEN CARRYING OUT MAINTENANCE
• 3.4.4. CHECKS BEFORE TROUBLESHOOTING
• 3.4.5. CLASSIFICATION AND PROCEDURES OF TROUBLESHOOTING
• 3.4.6. TYPES AND LOCATIONS OF CONNECTORS
• 3.4.7. CONNECTOR ARRANGEMENT DIAGRAM
• 3.4.8. CONNECTION TABLE FOR CONNECTOR PIN NUMBERS
• 3.4.9. TADAPTER BOXES AND TADAPTER TABLE
• 3.4.10. TROUBLESHOOTING OF ELECTRICAL SYSTEM (EMODE)
• 3.4.11. TROUBLESHOOTING OF HYDRAULIC AND MECHANICAL SYSTEM (HMODE)
• 3.4.12. TROUBLESHOOTING OF MONITOR PANEL SYSTEM (MMODE)
• 3.4.13. TROUBLESHOOTING OF ENGINE (SMODE)
• 4. DISASSEMBLY AND ASSEMBLY
• 4.1. HOW TO READ THIS MANUAL
• 4.2. PRECAUTIONS WHEN PERFORMING OPERATION
• 4.3. SPECIAL TOOL LIST
• 4.4. SKETCHES OF SPECIAL TOOLS
• 4.5. REMOVAL AND INSTALLATION OF FUEL INJECTION PUMP ASSEMBLY
• 4.6. REMOVAL AND INSTALLATION OF RADIATOR AND HYDRAULIC OIL COOLER ASSEMBLY
• 4.7. REMOVAL AND INSTALLATION OF ENGINE AND HYDRAULIC PUMP ASSEMBLY
• 4.8. REMOVAL AND INSTALLATION OF TRACK SHOE ASSEMBLY
• 4.9. DISASSEMBLY AND ASSEMBLY OF IDLER ASSEMBLY
• 4.10. DISASSEMBLY AND ASSEMBLY OF RECOIL SPRING ASSEMBLY
• 4.11. DISASSEMBLY AND ASSEMBLY OF TRACK ROLLER ASSEMBLY
• 4.12. DISASSEMBLY AND ASSEMBLY OF CARRIER ROLLER ASSEMBLY
• 4.13. REMOVAL AND INSTALLATION OF CENTER SWIVEL JOINT ASSEMBLY
• 4.14. DISASSEMBLY AND ASSEMBLY OF CENTER SWIVEL JOINT ASSEMBLY
• 4.15. REMOVAL AND INSTALLATION OF FLOOR FRAME ASSEMBLY
• 4.16. REMOVAL AND INSTALLATION OF SWING MOTOR AND SWING MACHINERY ASSEMBLY
• 4.17. DISASSEMBLY AND ASSEMBLY OF SWING MOTOR AND SWING MACHINERY ASSEMBLY
• 4.18. REMOVAL AND INSTALLATION OF WORK EQUIPMENT ASSEMBLY
• 4.19. REMOVAL AND INSTALLATION OF REVOLVING FRAME ASSEMBLY
• 4.20. REMOVAL AND INSTALLATION OF SWING CIRCLE ASSEMBLY
• 4.21. DISASSEMBLY AND ASSEMBLY OF CONTROL VALVE ASSEMBLY
• 4.22. DISASSEMBLY AND ASSEMBLY OF HYDRAULIC CYLINDER ASSEMBLY
• 4.23. REMOVAL AND INSTALLATION OF AIR CONDITIONER UNIT ASSEMBLY
• 4.24. REMOVAL AND INSTALLATION OF OPERATORS CAB GLASS (STUCK GLASS)
• 4.25. REMOVAL AND INSTALLATION OF FRONT WINDOW ASSEMBLY
• 5. OTHERS
• 5.1. HYDRAULIC CIRCUIT DIAGRAM
• 5.1.1. HYDRAULIC CIRCUIT DIAGRAM PC27MR2
• 5.1.2. HYDRAULIC CIRCUIT DIAGRAM PC30MR2
• 5.1.3. HYDRAULIC CIRCUIT DIAGRAM PC35MR2
• 5.1.4. HYDRAULIC CIRCUIT DIAGRAM PC40, 50MR2
• 5.1.5. HYDRAULIC CIRCUIT DIAGRAM PC40, 50MR2 (ADDITIONAL ATTACHMENT CIRCUIT)
• 5.2. ELECTRICAL CIRCUIT DIAGRAM
• 5.2.1. ELECTRICAL CIRCUIT DIAGRAM PC27, PC30MR2 (1/2)
• 5.2.2. ELECTRICAL CIRCUIT DIAGRAM PC27, PC30MR2 (2/2)
• 5.2.3. ELECTRICAL CIRCUIT DIAGRAM PC35MR2 (1/2)
• 5.2.4. ELECTRICAL CIRCUIT DIAGRAM PC35MR2 (2/2)
• 5.2.5. ELECTRICAL CIRCUIT DIAGRAM PC40, 50MR2 (1/2)
• 5.2.6. ELECTRICAL CIRCUIT DIAGRAM PC40, 50MR2 (2/2)