komatsu pc300ll 7l hydraulic excavator shop manual cebm012100 1

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Komatsu PC300LL-7L Hydraulic Excavator Shop Manual CEBM012100

$40.00

Type Of Manual: Shop Manual
Manual ID: CEBM012100
Format: PDF
Size: 32.1MB
Number of Pages: 676

Category: Komatsu Shop Manual PDF

Model List:
- PC300LL-7L Hydraulic Excavator

0.1. HOW TO READ THE SHOP MANUAL
0.2. HOISTING INSTRUCTIONS
0.3. COATING MATERIALS
0.4. STANDARD TIGHTENING TORQUE
0.5. ELECTRIC WIRE CODE
0.6. CONVERSION TABLES
0.7. UNITS
1. GENERAL
1.1. DIMENSION DRAWINGS
1.1.1. DIMENSIONS
1.1.2. WORKING RANGES
1.2. SPECIFICATIONS
1.3. WEIGHT TABLE
1.4. POWERED CAB RISER TILT UNIT TARGETS
1.5. FUEL COOLANT AND LUBRICANTS
1.5.1. PC300LL7L
2. STRUCTURE AND FUNCTION
2.1. ENGINE RELATED PARTS
2.2. RADIATOR . OIL COOLER . AFTERCOOLER
2.3. FINAL DRIVE SYSTEM
2.3.1. PC300LL7L
2.4. SWING MACHINERY
2.5. SWING CIRCLE
2.6. TRACK FRAME . RECOIL SPRING
2.6.1. PC300LL7L
2.7. IDLER
2.8. TRACK ROLLER
2.9. TRACK SHOE
2.10. TRIPLE GROUSER SHOE
2.11. HYDRAULIC EQUIPMENT
2.11.1. LS(PC)EPC VALVE
2.12. VARIABLE VOLUME VALVE
2.13. CONTROL VALVE
2.13.1. MAIN RELIEF VALVE
2.13.2. VARIABLE PRESSURE COMPENSATION VALVE
2.14. CLSS
2.15. SELF PRESSURE REDUCING VALVE
2.16. SWING MOTOR
2.16.1. SUCTIONSAFETY VALVE
2.16.2. SWING BRAKE
2.17. CENTER SWIVEL JOINT
2.17.1. PC300LL7L
2.17.2. BRAKE VALVE OPERATION
2.18. TRAVEL JUNCTION VALVE
2.19. TRAVEL PPC SHUTTLE VALVE
2.20. VALVE CONTROL
2.21. WORK EQUIPMENT . SWING PPC VALVE
2.22. TRAVEL PPC VALVE
2.23. ATTACHMENT SOLENOID VALVE
2.24. PPC ACCUMULATOR
2.25. BOOM HYDRAULIC DRIFT PREVENTION VALVE
2.26. QUICK RETURN VALVE
2.27. LIFT CHECK VALVE
2.28. HYDRAULIC CYLINDER
2.28.1. BOOM CYLINDER
2.28.2. ARM CYLINDER
2.28.3. BUCKET CYLINDER
2.29. WORK EQUIPMENT
2.29.1. DIMENSION OF ARM
2.29.2. DIMENSION OF BUCKET
2.30. AIR CONDITIONER
2.30.1. PIPING
2.31. ENGINE CONTROL
2.31.1. FUEL CONTROL DIAL
2.31.2. GOVERNOR MOTOR
2.31.3. ENGINE THROTTLE AND PUMP CONTROLLER
2.32. ELECTRONIC CONTROL SYSTEM
2.32.1. TOTAL SYSTEM DIAGRAM
2.33. MULTI MONITOR SYSTEM
2.33.1. MONITOR PANEL
2.33.2. MONITOR CONTROL, DISPLAY PORTION /MONITOR PORTION
2.33.3. MAINTENANCE FUNCTION
2.34. SENSORS
2.34.1. ENGINE OIL LEVEL SENSOR
2.34.2. ENGINE OIL PRESSURE SENSOR (FOR LOW PRESSURE)
2.34.3. COOLANT TEMPERATURE SENSOR
2.34.4. HYDRAULIC OIL TEMPERATURE SENSOR
2.34.5. FUEL LEVEL SENSOR
2.34.6. AIR CLEANER CLOGGING SENSOR
2.35. CAB RISER AND RELATED PARTS
2.35.1. POWER CONTROL
2.35.2. STRESS TARGETS FOR CAB RISER KIT
2.36. CAB RISER HYDRAULIC SYSTEM
3. TESTING, ADJUSTING AND TROUBLESHOOTING
3.1. STANDARD VALUE TABLES
3.1.1. ENGINE RELATED
3.1.2. CHASSIS RELATED
3.2. SERVICE TOOLS
3.3. ENGINE
3.3.1. AIR BOOST PRESSURE
3.3.2. AIR COMPRESSOR BELT TENSION
3.3.3. BLOWBY PRESSURE
3.3.4. COMPRESSION PRESSURE
3.3.5. ENGINE OIL PRESSURE
3.3.6. ENGINE RPM
3.3.7. ENGINE SPEED SENSOR
3.3.8. EXHAUST GAS COLOR
3.3.9. FUEL INJECTION TIMING
3.3.10. VALVE CLEARANCE
3.4. EMERGENCY ESCAPE FROM ENGINE CONTROL FAILURE
3.5. SWING CIRCLE BEARINGS
3.6. TRACK SHOE TENSION
3.7. SPROCKET
3.8. OIL PRESSURE
3.8.1. WORK EQUIPMENT, SWING AND TRAVEL
3.8.2. CONTROL CIRCUIT
3.8.3. PUMP PC CONTROL CIRCUIT
3.8.4. PUMP LS CONTROL CIRCUIT
3.8.5. ATTACHMENT SOLENOID VALVE OUTPUT
3.8.6. ATTACHMENT PPC VALVE OUTPUT
3.9. WORK EQUIPMENT AND SWING PPC VALVE
3.10. WORK EQUIPMENT, HYDRAULIC DRIFT LOCATIONS
3.10.1. RELEASE OF REMAINING PRESSURE IN HYDRAULIC CIRCUIT
3.10.2. BOOM AND BUCKET CYLINDERS
3.10.3. BOOM LOCK VALVE
3.10.4. ARM CYLINDER
3.10.5. PPC VALVE
3.11. OIL LEAKAGE AMOUNT
3.11.1. BOOM CYLINDER
3.11.2. ARM CYLINDER
3.11.3. BUCKET CYLINDER
3.11.4. SWING MOTOR
3.11.5. TRAVEL MOTOR
3.12. AIR BLEEDING OF VARIOUS PARTS
3.13. DIODE INSPECTION PROCEDURES
3.14. MULTIMONITOR PANEL
3.14.1. MONITOR PANEL FUNCTIONS
3.14.2. OPERATORS MENU AND DISPLAY (OUTLINE)
3.14.3. TABLE FOR SERVICE AND FAILURE CODE NOS.
3.14.4. SERVICE MENU
3.15. ELECTRICAL SYSTEM TROUBLESHOOTING PREPARTIONS
3.16. PM TUNE SERVICE
3.17. TROUBLESHOOTING (GENERAL)
3.17.1. POINTS TO REMEMBER WHEN TROUBLESHOOTING
3.17.2. SEQUENCE OF EVENTS IN TROUBLESHOOTING
3.17.3. PRECAUTIONS WHEN CARRYING OUT MAINTENANCE
3.17.4. CHECKS BEFORE TROUBLESHOOTING
3.17.5. CONNECTION TABLE FOR CONNECTOR PIN NUMBERS
3.17.6. TADAPTER TABLE
3.17.7. TROUBLESHOOTING ELECTRICAL SYSTEM (E MODE)
3.17.8. TROUBLESHOOTING MONITOR ELECTRICAL SYSTEM (E MODE)
3.17.9. TROUBLESHOOTING HYDRAULIC AND MECHANICAL SYSTEM (H MODE)
4. DISASSEMBLY AND ASSEMBLY
4.1. METHOD OF USING MANUAL
4.2. PRECAUTIONS DURING OPERATION
4.2.1. PRECAUTIONS WHEN CARRYING OUT REMOVAL WORK
4.2.2. PRECAUTIONS WHEN CARRYING OUT INSTALLATION WORK
4.2.3. PRECAUTIONS WHEN COMPLETING THE OPERATIONS
4.2.4. OTHER PRECAUTIONS
4.3. SPECIAL TOOL LIST
4.4. SKETCHES OF SPECIAL TOOLS
4.5. CONNECTOR REPAIR PROCEDURES
4.5.1. CONTACT TERMINAL REMOVAL (HD30 TYPE)
4.5.2. STRIPING INSULATION
4.5.3. CRIMPING CONTACT TERMINAL (HD30 TYPE)
4.5.4. INSERTION OF CONTACT TERMINAL (HD30 TYPE)
4.5.5. CONTACT TERMINAL REMOVAL (DT TYPE)
4.5.6. STRIPING INSULATION
4.5.7. CRIMPING CONTACT TERMINAL (DT TYPE)
4.5.8. INSERTION OF CONTACT TERMINAL (DT TYPE)
4.6. ENGINE
4.6.1. ALTERNATOR
4.6.2. CYLINDER HEAD
4.6.3. ENGINE FRONT SEAL
4.6.4. ENGINE OIL COOLER
4.6.5. ENGINE REAR SEAL
4.6.6. FUEL INJECTION PUMP
4.7. HYDRAULIC OIL COOLER
4.7.1. REMOVAL
4.7.2. INSTALLATION
4.8. ENGINE AND HYDRAULIC PUMPS
4.9. SWING MACHINERY
4.9.1. REMOVAL
4.9.2. INSTALLATION
4.9.3. DISASSEMBLY
4.9.4. ASSEMBLY
4.10. IDLER AND RECOIL SPRING
4.10.1. EXPANSION OF TRACK SHOE
4.10.2. ASSEMBLY
4.11. SWING CIRCLE
4.11.1. REMOVAL
4.11.2. INSTALLATION
4.12. REVOLVING FRAME
4.12.1. REMOVAL
4.12.2. INSTALLATION
4.13. CENTER SWIVEL JOINT
4.14. REPLACING PRESSURE COMPENSATION VALVE SEAL
4.14.1. ASSEMBLY
4.15. HYDRAULIC PUMP
4.15.1. REMOVAL
4.15.2. INSTALLATION
4.15.3. INPUT SHAFT OIL SEAL
4.16. WORK EQUIPMENT PPC VALVE
4.16.1. ASSEMBLY
4.17. TRAVEL PPC VALVE
4.17.1. ASSEMBLY
4.18. HYDRAULIC CYLINDER
4.19. AIR CONDITIONER
4.20. GOVERNOR PUMP CONTROLLER
4.20.1. REMOVAL
4.20.2. INSTALLATION
5. OTHERS
5.1. ELECTRICAL
5.1.1. ELECTRICAL DIAGRAM 1/4 (SHEET 1 OF 3) FOLDOUT 1
5.1.2. ELECTRICAL DIAGRAM 1/4 (SHEET 2 OF 3) FOLDOUT 2
5.1.3. ELECTRICAL DIAGRAM 1/4 (SHEET 3 OF 3) FOLDOUT 3
5.1.4. ELECTRICAL DIAGRAM 2/4 (SHEET 1 OF 1) FOLDOUT 4
5.1.5. ELECTRICAL DIAGRAM 3/4 (SHEET 1 OF 2) FOLDOUT 5
5.1.6. ELECTRICAL DIAGRAM 3/4 (SHEET 2 OF 2) FOLDOUT 6
5.1.7. ELECTRICAL DIAGRAM 4/4 (SHEET 1 OF 2) FOLDOUT 7
5.1.8. ELECTRICAL DIAGRAM 4/4 (SHEET 2 OF 2) FOLDOUT 8
5.2. HYDRAULIC
5.2.1. HYDRAULIC DIAGRAM (SHEET 1 OF 3) FOLDOUT 9
5.2.2. HYDRAULIC DIAGRAM (SHEET 2 OF 3) FOLDOUT 10
5.2.3. HYDRAULIC DIAGRAM (SHEET 3 OF 3) FOLDOUT 11

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