komatsu pc300 7 pc300lc 7 pc350 7 pc350lc 7 hydraulic excavator shop manual sebm025812 1

komatsu pc300 7 pc300lc 7 pc350 7 pc350lc 7 hydraulic excavator shop manual sebm025812 2

komatsu pc300 7 pc300lc 7 pc350 7 pc350lc 7 hydraulic excavator shop manual sebm025812 3

komatsu pc300 7 pc300lc 7 pc350 7 pc350lc 7 hydraulic excavator shop manual sebm025812 4

komatsu pc300 7 pc300lc 7 pc350 7 pc350lc 7 hydraulic excavator shop manual sebm025812 5

Komatsu PC300-7, PC300LC-7, PC350-7, PC350LC-7 Hydraulic Excavator Shop Manual SEBM025812

$40.00

Type Of Manual: Shop Manual
Manual ID: SEBM025812
Format: PDF
Size: 50.1MB
Number of Pages: 775

Category: Komatsu Shop Manual PDF

Model List:
- PC300-7 Hydraulic Excavator
- PC300LC-7 Hydraulic Excavator
- PC350-7 Hydraulic Excavator
- PC350LC-7 Hydraulic Excavator

1. COVER
2. CONTENTS
3. GENERAL
3.1. SPECIFICATION DIMENSION DRAWINGS
3.2. SPECIFICATIONS
3.2.1. PC3007,PC300LC7
3.2.2. PC3507,PC350LC7
3.3. WEIGHT TABLE
3.3.1. PC3007,PC300LC7
3.3.2. PC3507,PC350LC7
3.4. FUEL, COOLANT, AND LUBRICANTS
4. STRUCTURE, FUNCTION, AND MAINTENANCE STANDARD
4.1. ENGINE RELATED PARTS
4.2. RADIATOROIL COOLERAFTERCOOLER
4.3. POWER TRAIN
4.4. FINAL DRIVE
4.5. SPROCKET
4.6. SWING MACHINERY
4.7. SWING CIRCLE
4.8. TRACK FRAMERECOIL SPRING
4.9. IDLER
4.10. CARRIER ROLLER
4.11. TRACK ROLLER
4.12. TRACK SHOE
4.13. HYDRAULIC EQUIPMENT LAYOUT DRAWING
4.14. HYDRAULIC TANK
4.15. HYDRAULIC PUMP
4.16. VARIABLE VOLUME VALVE
4.17. CONTROL VALVE
4.18. CLSS
4.19. SELF PRESSURE REDUCING VALVE
4.20. SWING MOTOR
4.21. REVERSE PREVENTION VALVE
4.22. CENTER SWIVEL JOINT
4.23. TRAVEL MOTOR
4.24. TRAVEL JUNCTION VALVE
4.25. TRAVEL PPC SHUTTLE VALVE
4.26. VALVE CONTROL
4.27. WORK EQUIPMENTSWING PPC VALVE
4.28. TRAVEL PPC VALVE
4.29. SERVICE PPC VALVE
4.30. SOLENOID VALVE
4.31. PPC ACCUMULATOR
4.32. RETURN OIL FILTER
4.33. BOOM HYDRAULIC DRIFT PREVENTION VALVE
4.34. QUICK RETURN VALVE
4.35. LIFT CHECK VALVE
4.36. ATTACHMENT CIRCUIT SELECTOR VALVE
4.37. HYDRAULIC CYLINDER
4.38. WORK EQUIPMENT
4.39. AIR CONDITIONER
4.40. ENGINE CONTROL
4.41. ELECTRONIC CONTROL SYSTEM
4.42. MULTI MONITOR SYSTEM
4.43. SEGMENT MONITOR SYSTEM
4.44. SENSOR
5. TESTING AND ADJUSTING
5.1. STANDARD VALUE TABLE FOR ENGINE RELATED PARTS
5.2. STANDARD VALUE TABLE FOR CHASSIS RELATED PARTS
5.3. TESTING AND ADJUSTING
5.3.1. TOOLS FOR TESTING, ADJUSTING AND TROUBLESHOOTING
5.3.2. INSPECTION AND ADJUSTMENT OF ENGINE RPM
5.3.3. MEASUREMENT OF AIR BOOST PRESSURE
5.3.4. MEASUREMENT OF EXHAUST GAS COLOR
5.3.5. ADJUSTMENT OF VALVE CLEARANCE
5.3.6. MEASUREMENT OF COMPRESSION PRESSURE
5.3.7. MEASUREMENT OF BLOWBY PRESSURE
5.3.8. INSPECTION AND ADJUSTMENT OF FUEL INJECTION TIMING
5.3.9. MEASUREMENT OF ENGINE OIL PRESSURE
5.3.10. ADJUSTMENT OF ENGINE SPEED SENSOR
5.3.11. INSPECTION AND ADJUSTMENT OF AIR COMPRESSOR BELT TENSION
5.3.12. EMERGENT ESCAPE FROM FAILURE IN ENGINE CONTROL SYSTEM
5.3.13. MEASUREMENT OF CLEARANCE IN SWING CIRCLE BEARINGS
5.3.14. INSPECTION AND ADJUSTMENT OF TRACK SHOE TENSION
5.3.15. INSPECTION OF WEAR ON SPROCKET
5.3.16. INSPECTION AND ADJUSTMENT OF HYDRAULIC OIL PRESSURE IN HYDRAULIC CIRCUIT FOR WORK EQUIPMENT, SWING AND TRAVEL
5.3.17. INSPECTION AND ADJUSTMENT OF CONTROL CIRCUIT OIL PRESSURE
5.3.18. INSPECTION AND ADJUSTMENT OF PUMP PC CONTROL CIRCUIT OIL PRESSURE
5.3.19. INSPECTION AND ADJUSTMENT OF PUMP LS CONTROL CIRCUIT OIL PRESSURE
5.3.20. MEASUREMENT OF SOLENOID VALVE OUTPUT PRESSURE
5.3.21. MEASUREMENT OF PPC VALVE OUTPUT PRESSURE
5.3.22. ADJUSTMENT OF WORK EQUIPMENT AND SWING PPC VALVE
5.3.23. INSPECTION OF LOCATIONS OF HYDRAULIC DRIFT OF WORK EQUIPMENT
5.3.24. RELEASE OF REMAINING PRESSURE IN HYDRAULIC CIRCUIT
5.3.25. MEASUREMENT OF OIL LEAKAGE AMOUNT
5.3.26. AIR BLEEDING OF VARIOUS PARTS
5.3.27. INSPECTION PROCEDURES FOR DIODE
5.3.28. SPECIAL FUNCTION OF MULTIMONITOR PANEL
5.3.29. SPECIAL FUNCTIONS OF 7SEGMENTS MONITOR PANEL
5.3.30. PREPARATIONS FOR TROUBLESHOOTING ELECTRICAL SYSTEM
5.4. TROUBLESHOOTING
5.4.1. POINTS TO REMEMBER WHEN TROUBLESHOOTING
5.4.2. SEQUENCE OF EVENTS IN TROUBLESHOOTING
5.4.3. POINTS TO REMEMBER WHEN CARRYING OUT MAINTENANCE
5.4.4. CHECKS BEFORE TROUBLESHOOTING
5.4.5. CLASSIFICATION AND STEPS FOR TROUBLESHOOTING
5.4.6. CONNECTOR LOCATION CHART AND ELECTRICAL CIRCUIT DIAGRAM BY SYSTEM
5.4.7. CONNECTION TABLE FOR CONNECTOR PIN NUMBERS
5.4.8. TROUBLESHOOTING WHEN SERVICE CODE ELECTRICAL SYSTEM AND FAILURE CODE MECHANICAL SYSTEM ARE INDICATED
5.4.9. TROUBLESHOOTING OF ELECTRICAL SYSTEM (EMODE)
5.4.10. TROUBLESHOOTING OF HYDRAULIC AND MECHANICAL SYSTEM (HMODE)
5.4.11. TROUBLESHOOTING OF ENGINE (SMODE)
6. DISASSEMBLY AND ASSEMBLY
6.1. HOW TO READ THIS MANUAL
6.1.1. REMOVAL AND INSTALLATION OF ASSEMBLIES
6.1.2. DISASSEMBLY AND ASSEMBLY OF ASSEMBLIES
6.2. PRECAUTIONS WHEN PERFORMING OPERATION
6.3. SPECIAL TOOL LIST
6.4. SKETCHES OF SPECIAL TOOLS
6.5. STARTING MOTOR ASSEMBLY
6.5.1. REMOVAL
6.5.2. INSTALLATION
6.6. FUEL INJECTION PUMP ASSEMBLY
6.6.1. SPECIAL TOOLS
6.6.2. REMOVAL
6.6.3. INSTALLATION
6.7. ENGINE FRONT SEAL
6.7.1. REMOVAL
6.7.2. INSTALLATION
6.8. ENGINE REAR SEAL
6.8.1. SPECIAL TOOLS
6.8.2. REMOVAL
6.8.3. INSTALLATION
6.9. CYLINDER HEAD ASSEMBLY
6.9.1. SPECIAL TOOLS
6.9.2. REMOVAL
6.9.3. INSTALLATION
6.10. RADIATOR ASSEMBLY
6.10.1. REMOVAL
6.10.2. INSTALLATION
6.11. HYDRAULIC OIL COOLER ASSEMBLY
6.11.1. REMOVAL
6.11.2. INSTALLATION
6.12. ENGINE AND HYDRAULIC PUMP ASSEMBLIES
6.12.1. SPECIAL TOOLS
6.12.2. REMOVAL
6.12.3. INSTALLATION
6.13. FINAL DRIVE ASSEMBLY
6.13.1. REMOVAL
6.13.2. INSTALLATION
6.13.3. DISASSEMBLY AND ASSEMBLY
6.14. SWING MOTOR,SWING MACHINERY ASSEMBLY
6.14.1. REMOVAL
6.14.2. INSTALLATION
6.14.3. DISASSEMBLY AND ASSEMBLY
6.15. SWING MOTOR,SWING MACHINERY ASSEMBLY
6.15.1. SPECIAL TOOLS
6.15.2. DISASSEMBLY
6.15.3. ASSEMBLY
6.16. CARRIER ROLLER ASSEMBLY
6.16.1. SPECIAL TOOLS
6.16.2. ASSEMBLY
6.17. TRACK ROLLER ASSEMBLY
6.18. RECOIL SPRING ASSEMBLY
6.19. TRACK SHOE ASSEMBLY
6.19.1. SPECIAL TOOLS
6.19.2. EXPANSION OF TRACK SHOE
6.19.3. ASSEMBLY
6.20. SWING CIRCLE ASSEMBLY
6.20.1. REMOVAL
6.20.2. INSTALLATION
6.21. REVOLVING FRAME ASSEMBLY
6.21.1. REMOVAL
6.21.2. INSTALLATION
6.22. CENTER SWIVEL JOINT ASSEMBLY
6.22.1. REMOVAL
6.22.2. INSTALLATION
6.22.3. DISASSEMBLY AND ASSEMBLY
6.23. HYDRAULIC TANK ASSEMBLY
6.23.1. REMOVAL
6.23.2. INSTALLATION
6.24. CONTROL VALVE ASSEMBLY
6.24.1. REMOVAL
6.24.2. INSTALLATION
6.24.3. DISASSEMBLY AND ASSEMBLY
6.25. HYDRAULIC PUMP ASSEMBLY
6.25.1. SPECIAL TOOLS
6.25.2. REMOVAL
6.25.3. INSTALLATION
6.26. OIL SEAL IN HYDRAULIC PUMP INPUT SHAFT
6.26.1. REMOVAL
6.26.2. INSTALLATION
6.27. WORK EQUIPMENT PPC VALVE ASSEMBLY
6.27.1. ASSEMBLY
6.28. TRAVEL PPC VALVE ASSEMBLY
6.28.1. ASSEMBLY
6.29. HYDRAULIC CYLINDER ASSEMBLY
6.29.1. SPECIAL TOOLS
6.29.2. DISASSEMBLY
6.29.3. ASSEMBLY
6.30. WORK EQUIPMENT ASSEMBLY
6.30.1. SPECIAL TOOLS
6.30.2. REMOVAL
6.30.3. INSTALLATION
6.31. AIR CONDITIONER UNIT ASSEMBLY
6.31.1. SPECIAL TOOLS
6.31.2. REMOVAL
6.31.3. INSTALLATION
6.32. COUNTERWEIGHT ASSEMBLY
6.32.1. REMOVAL
6.32.2. INSTALLATION
6.33. OPERATORS CAB ASSEMBLY
6.33.1. REMOVAL
6.33.2. INSTALLATION
6.34. OPERATORS CAB GLASS (STUCK GLASS)
6.34.1. SPECIAL TOOLS
6.34.2. REMOVAL
6.34.3. INSTALLATION
6.35. FRONT WINDOW ASSEMBLY
6.35.1. REMOVAL
6.35.2. INSTALLATION
6.36. MONITOR ASSEMBLY
6.36.1. REMOVAL
6.36.2. INSTALLATION
6.37. GOVERNOR PUMP CONTROLLER ASSEMBLY
6.37.1. REMOVAL
6.37.2. INSTALLATION
7. OTHERS
7.1. HYDRAULIC CIRCUIT DIAGRAM
7.2. PC3007, PC300LC7 SERIAL NO.4000145000 PC3007, PC350LC7 SERIAL NO.2000125000
7.2.1. ELECTRICAL CIRCUIT DIAGRAM (1/4)
7.2.2. ELECTRICAL CIRCUIT DIAGRAM (2/4)
7.2.3. ELECTRICAL CIRCUIT DIAGRAM (3/4)
7.2.4. ELECTRICAL CIRCUIT DIAGRAM (4/4)
7.3. PC3007, PC300LC7 SERIAL NO.45001 AND UP PC3007, PC350LC7 SERIAL NO.25001 AND UP
7.3.1. ELECTRICAL CIRCUIT DIAGRAM (1/4)
7.3.2. ELECTRICAL CIRCUIT DIAGRAM (2/4)
7.3.3. ELECTRICAL CIRCUIT DIAGRAM (3/4)
7.3.4. ELECTRICAL CIRCUIT DIAGRAM (4/4)

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