komatsu pc450 7k pc450lc 7k hydraulic excavator shop manual uebm002300 1

komatsu pc450 7k pc450lc 7k hydraulic excavator shop manual uebm002300 2

komatsu pc450 7k pc450lc 7k hydraulic excavator shop manual uebm002300 3

komatsu pc450 7k pc450lc 7k hydraulic excavator shop manual uebm002300 4

komatsu pc450 7k pc450lc 7k hydraulic excavator shop manual uebm002300 5

Komatsu PC450-7K, PC450LC-7K Hydraulic Excavator Shop Manual UEBM002300

$40.00

Type Of Manual: Shop Manual
Manual ID: UEBM002300
Format: PDF
Size: 51.0MB
Number of Pages: 766

Category: Komatsu Shop Manual PDF

Model List:
- PC450-7K Hydraulic Excavator
- PC450LC-7K Hydraulic Excavator

0.0.1. HOW TO READ THE SHOP MANUAL
0.0.2. HOISTING INSTRUCTIONS
0.0.3. METHOD OF DISASSEMBLING, CONNECTING PUSHPULL TYPE COUPLER
0.0.4. COATING MATERIALS
0.0.5. STANDARD TIGHTENING TORQUE
0.0.6. ELECTRIC WIRE CODE
0.0.7. CONVERSION TABLE
0.0.8. UNITS
1.1. GENERAL
1.1.1. SPECIFICATION DRAWINGS
1.1.2. SPECIFICATIONS
1.1.3. WEIGHT TABLE
1.1.4. FUEL, COOLANT AND LUBRICANTS
2. ERVER.pdf
2.1. STRUCTURE, FUNCTION AND MAINTENANCE STANDARD
2.1.1. ENGINE RELATED PARTS
2.1.2. RADIATOROIL COOLERAFTERCOOLER
2.1.3. POWER TRAIN
2.1.4. FINAL DRIVE
2.1.5. SWING MACHINERY
2.1.6. SWING CIRCLE
2.1.7. TRACK FRAME AND RECOIL SPRING
2.1.8. IDLER
2.1.9. CARRIER ROLLER
2.1.10. TRACK ROLLER
2.1.11. TRACK SHOE
2.1.12. HYDRAULIC PIPING DRAWING
2.1.13. HYDRAULIC TANK
2.1.14. HYDRAULIC PUMP
2.1.15. LS(pc)EPC VALVE
2.1.16. variable volume valve
2.1.17. CONTROL VALVE
2.1.18. MAIN RELIEF VALVE
2.1.19. CLSS
2.1.20. SELF PRESSURE REDUCING VALVE
2.1.21. SWING MOTOR
2.1.22. CENTER SWIVEL JOINT
2.1.23. TRAVEL MOTOR
2.1.24. TRAVEL JUNCTION VALVE
2.1.25. VALVE CONTROL
2.1.26. TRAVEL PPC SHUTTLE VALVE
2.1.27. WORK EQUIPMENT SWING PPC VALVE
2.1.28. TRAVEL PPC VALVE
2.1.29. SERVICE PPC VALVE
2.1.30. SOLENOID VALVE
2.1.31. PPC ACCUMULATOR
2.1.32. return oil filter
2.1.33. quick return valve
2.1.34. LIFT CHECK VALVE
2.1.35. attachment circuit selector valve
2.1.36. HOLDING VALVE
2.1.37. HYDRAULIC CYLINDER
2.1.38. WORK EQUIPMENT
2.1.39. AIR CONDITIONER
2.1.40. ENGINE CONTROL
2.1.41. ELECTRONIC CONTROL SYSTEM
2.1.42. MONITOR SYSTEM
2.1.43. SENSOR
3. _001.pdf
3.1. TESTING AND ADJUSTING
3.1.1. STANDARD VALUE TABLE FOR ENGINE
3.1.2. STANDARD VALUE TABLE FOR CHASSIS
4. _101.pdf
4.1. TESTING AND ADJUSTING
4.1.1. Testing, adjusting, and troubleshooting tools table
4.1.2. Measuring engine speed
4.1.3. Measuring intake air pressure (boost pressure)
4.1.4. Measuring exhaust temperature
4.1.5. Measuring exhaust gas color
4.1.6. Adjusting valve clearance
4.1.7. Measuring compression pressure
4.1.8. Measuring blowby pressure
4.1.9. Measuring engine oil pressure
4.1.10. Handling of fuel system devices
4.1.11. Releasing residual pressure from fuel system
4.1.12. Measuring fuel pressure
4.1.13. Bleeding air from fuel circuit
4.1.14. Inspection of fuel circuit for leakage
4.1.15. Adjusting engine speed sensor
4.1.16. Testing and adjusting fan belt and alternator belt tension
4.1.17. Testing and adjusting air conditioner compressor belt tension
4.1.18. Measuring clearance of swing circle bearing
4.1.19. Testing and adjusting track shoe tension
4.1.20. Testing and adjusting oil pressure in work equipment, swing, and travel circuits
4.1.21. Measuring basic pressure in control circuit
4.1.22. Testing and adjusting oil pressure in pump PC control circuit
4.1.23. Testing and adjusting oil pressure in pump LS control circuit
4.1.24. Measuring solenoid valve output pressure
4.1.25. Measuring PPC valve output pressure
4.1.26. Adjusting play of work equipment and swing PPC valves
4.1.27. Testing parts which cause hydraulic drift of work equipment
4.1.28. Releasing residual pressure in hydraulic circuit
4.1.29. Measuring oil leakage
4.1.30. Bleeding air from each part
4.1.31. Testing procedure of diode
4.1.32. Special functions of monitor panel
4.1.33. Handling of highvoltage circuit of engine controller
4.1.34. Preparation work for troubleshooting for electrical equipment system
5. _101a.pdf
5.1. PmCLINIC SERVICE
5.2. PmCLINIC SERVICE PC450 (LC)7
5.3. UNDERCARRIAGE INSPECTION
6. _201.pdf
6.1. TROUBLESHOOTING
6.1.1. POINTS TO REMEMBER WHEN TROUBLESHOOTING
6.1.2. SEQUENCE OF EVENTS IN TROUBLESHOOTING
6.1.3. POINTS TO REMEMBER WHEN CARRYING OUT MAINTENANCE
6.1.4. CHECKS BEFORE TROUBLESHOOTING
6.1.5. CLASSIFICATION AND STEPS FOR TROUBLESHOOTING
6.1.6. Connector arrangement drawing and electric circuit diagram of each system
6.1.7. CONNECTION TABLE FOR CONNECTOR PIN NUMBERS
6.1.8. TBRANCH BOX AND TBRANCH TABLE
7. _301.pdf
7.1. TROUBLESHOOTING WHEN ERROR CODE ELECTRICAL SYSTEM AND FAILURE CODE MECHANICAL SYSTEM ARE DISP…
7.1.1. INFORMATION CONTAINED IN TROUBLESHOOTING TABLE
8. _501.pdf
8.1. TROUBLESHOOTING OF ELECTRICAL SYSTEM (E MODE)
8.1.1. Before carrying out troubleshooting for electrical system (Emode)
8.1.2. INFORMATION CONTAINED IN TROUBLESHOOTING TABLE
9. _601.pdf
9.1. TROUBLESHOOTING OF HYDRAULIC AND MECHANICAL SYSTEM (H MODE)
9.1.1. system chart for hydraulic and mechanical system
9.1.2. INFORMATION CONTAINED IN TROUBLESHOOTING TABLE
10. _701.pdf
10.1. TROUBLESHOOTING OF ENGINE (S MODE)
10.1.1. POINTS TO REMEMBER WHEN TROUBLESHOOTING
10.1.2. METHOD OF USING TROUBLESHOOTING CHARTS
11. SEC_30SERVER.pdf
11.1. DISASSEMBLY AND ASSEMBLY
11.1.1. HOW TO READ THIS MANUAL
11.1.2. PRECAUTIONS WHEN PERFORMING OPERATION
11.1.3. SPECIAL TOOL LIST
11.1.4. REMOVAL AND INSTALLATION OF CYLINDER HEAD ASSEMBLY
11.1.5. REMOVAL AND INSTALLATION OF ENGINE REAR SEAL
11.1.6. REMOVAL AND INSTALLATION OF ENGINE FRONT SEAL
11.1.7. REMOVAL AND INSTALLATION OF FUEL SUPPLY PUMP ASSEMBLY
11.1.8. REMOVAL AND INSTALLATION OF FUEL INJECTOR ASSEMBLY
11.1.9. REMOVAL AND INSTALLATION OF NOZZLE TIP
11.1.10. REMOVAL AND INSTALLATION OF STARTING MOTOR ASSEMBLY
11.1.11. REMOVAL AND INSTALLATION OF RADIATOR ASSEMBLY
11.1.12. REMOVAL AND INSTALLATION OF HYDRAULIC OIL COOLER ASSEMBLY
11.1.13. REMOVAL AND INSTALLATION OF ENGINE AND HYDRAULIC PUMP ASSEMBLY
11.1.14. REMOVAL AND INSTALLATION OF SWING CIRCLE ASSEMBLY
11.1.15. REMOVAL AND INSTALLATION OF SWING MOTOR AND SWING MACHINERY ASSEMBLY
11.1.16. DISASSEMBLY AND ASSEMBLY OF SWING MOTOR AND SWING MACHINERY ASSEMBLY
11.1.17. REMOVAL AND INSTALLATION OF SPROCKET
11.1.18. REMOVAL AND INSTALLATION OF TRAVEL MOTOR AND FINAL DRIVE ASSEMBLY
11.1.19. DISASSEMBLY AND ASSEMBLY OF FINAL DRIVE ASSEMBLY
11.1.20. DISASSEMBLY AND ASSEMBLY OF CARRIER ROLLER ASSEMBLY
11.1.21. DISASSEMBLY AND ASSEMBLY OF TRACK ROLLER ASSEMBLY
11.1.22. DISASSEMBLY AND ASSEMBLY OF IDLER ASSEMBLY
11.1.23. DISASSEMBLY AND ASSEMBLY OF RECOIL SPRING ASSEMBLY
11.1.24. EXPANSION AND INSTALLATION OF TRACK SHOE ASSEMBLY
11.1.25. REMOVAL AND INSTALLATION OF AIR CONDITIONER UNIT ASSEMBLY
11.1.26. REMOVAL AND INSTALLATION OF OPERATORS CAB
11.1.27. REMOVAL AND INSTALLATION OF MONITOR ASSEMBLY
11.1.28. REMOVAL AND INSTALLATION OF PUMP CONTROLLER
11.1.29. REMOVAL AND INSTALLATION OF ENGINE CONTROLLER
11.1.30. REMOVAL AND INSTALLATION OF REVOLVING FRAME ASSEMBLY
11.1.31. REMOVAL AND INSTALLATION OF COUNTERWEIGHT ASSEMBLY
11.1.32. REMOVAL AND INSTALLATION OF HYDRAULIC TANK ASSEMBLY
11.1.33. REMOVAL AND INSTALLATION OF HYDRAULIC PUMP ASSEMBLY
11.1.34. REMOVAL AND INSTALLATION OF OIL SEAL IN HYDRAULIC PUMP INPUT SHAFT
11.1.35. REMOVAL AND INSTALLATION OF CONTROL VALVE ASSEMBLY
11.1.36. DISASSEMBLY AND ASSEMBLY OF CONTROL VALVE ASSEMBLY
11.1.37. REMOVAL AND INSTALLATION OF CENTER SWIVEL JOINT ASSEMBLY
11.1.38. DISASSEMBLY AND ASSEMBLY OF of CENTER SWIVEL JOINT ASSEMBLY
11.1.39. DISASSEMBLY AND ASSEMBLY OF WORK EQUIPMENT PPC VALVE ASSEMBLY
11.1.40. DISASSEMBLY AND ASSEMBLY OF TRAVEL PPC VALVE ASSEMBLY
11.1.41. DISASSEMBLY AND ASSEMBLY OF HYDRAULIC CYLINDER ASSEMBLY
11.1.42. REMOVAL AND INSTALLATION OF WORK EQUIPMENT ASSEMBLY
11.1.43. REMOVAL AND INSTALLATION OF OPERATORS CAB GLASS (STUCK GLASS)
11.1.44. REMOVAL AND INSTALLATION OF FRONT WINDOW ASSEMBLY
12.1. OTHERS
13.1. HYDRAULIC CIRCUIT DIAGRAM (1/2)
13.2. HYDRAULIC CIRCUIT DIAGRAM (2/2)
13.3. ELECTRICAL CIRCUIT DIAGRAM (1/5)
13.4. ELECTRICAL CIRCUIT DIAGRAM (2/5)
13.5. ELECTRICAL CIRCUIT DIAGRAM (3/5)
13.6. ELECTRICAL CIRCUIT DIAGRAM (4/5)
13.7. ELECTRICAL CIRCUIT DIAGRAM (5/5)
14.1. AIR CONDITIONER ELECTRICAL CIRCUIT

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