komatsu pc400 7 pc400lc 7 pc450 7 pc450lc 7 hydraulic excavator shop manual sebm033012 1

komatsu pc400 7 pc400lc 7 pc450 7 pc450lc 7 hydraulic excavator shop manual sebm033012 2

komatsu pc400 7 pc400lc 7 pc450 7 pc450lc 7 hydraulic excavator shop manual sebm033012 3

komatsu pc400 7 pc400lc 7 pc450 7 pc450lc 7 hydraulic excavator shop manual sebm033012 4

komatsu pc400 7 pc400lc 7 pc450 7 pc450lc 7 hydraulic excavator shop manual sebm033012 5

Komatsu PC400-7, PC400LC-7, PC450-7, PC450LC-7 Hydraulic Excavator Shop Manual SEBM033012

$40.00

Type Of Manual: Shop Manual
Manual ID: SEBM033012
Format: PDF
Size: 57.2MB
Number of Pages: 874

Category: Komatsu Shop Manual PDF

Model List:
- PC400-7 Hydraulic Excavator
- PC400LC-7 Hydraulic Excavator
- PC450-7 Hydraulic Excavator
- PC450LC-7 Hydraulic Excavator

1. COVER
2. CONTENTS
3. GENERAL
3.1. SPECIFICATION DRAWINGS
3.2. SPECIFICATIONS
3.3. WEIGHT TABLE
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 FRAME AND RECOIL SPRING
4.9. IDLER
4.10. CARRIER ROLLER
4.11. TRACK ROLLER
4.12. TRACK SHOE
4.13. HYDRAULIC PIPING DRAWING
4.14. HYDRAULIC TANK
4.15. HYDRAULIC PUMP
4.16. LS(PC)EPC VALVE
4.17. VARIABLE VOLUME VALVE
4.18. CONTROL VALVE
4.19. CLSS
4.20. FUNCTIONS AND OPERATION BY VALVE
4.21. ATTACHMENT CIRCUIT SELECTOR VALVE
4.22. HOLDING VALVE
4.23. SWING MOTOR
4.24. REVERSAL PREVENTION VALVE
4.25. CENTER SWIVEL JOINT
4.26. TRAVEL MOTOR
4.27. VALVE CONTROL
4.28. TRAVEL PPC SHUTTLE VALVE
4.29. WORK EQUIPMENTSWING PPC VALVE
4.30. TRAVEL PPC VALVE
4.31. SERVICE PPC VALVE
4.32. SOLENOID VALVE
4.33. PPC ACCUMULATOR
4.34. RETURN OIL FILTER
4.35. HYDRAULIC CYLINDER
4.36. WORK EQUIPMENT
4.37. AIR CONDITIONER
4.38. ENGINE CONTROL
4.39. ELECTRONIC CONTROL SYSTEM
4.40. MONITOR SYSTEM
4.41. SEGMENT MONITOR SYSTEM
4.42. SENSOR
5. TESTING AND ADJUSTING
5.1. STANDARD VALUE TABLE FOR ENGINE
5.2. STANDARD VALUE TABLE FOR CHASSIS (BACKHOE SPECIFICATION)
5.3. STANDARD VALUE TABLE FOR CHASSIS (LOADING SHOVEL SPECIFICATION)
5.4. TESTING AND ADJUSTING
5.4.1. TESTING, ADJUSTING, AND TROUBLESHOOTING TOOLS TABLE
5.4.2. MEASURING ENGINE SPEED
5.4.3. MEASURING INTAKE AIR PRESSURE (BOOST PRESSURE)
5.4.4. MEASURING EXHAUST TEMPERATURE
5.4.5. MEASURING EXHAUST GAS COLOR
5.4.6. ADJUSTING VALVE CLEARANCE
5.4.7. MEASURING COMPRESSION PRESSURE
5.4.8. MEASURING BLOWBY PRESSURE
5.4.9. MEASURING ENGINE OIL PRESSURE
5.4.10. HANDLING OF FUEL SYSTEM DEVICES
5.4.11. RELEASING RESIDUAL PRESSURE FROM FUEL SYSTEM
5.4.12. MEASURING FUEL PRESSURE
5.4.13. BLEEDING AIR FROM FUEL CIRCUIT
5.4.14. INSPECTION OF FUEL CIRCUIT FOR LEAKAGE
5.4.15. ADJUSTING ENGINE SPEED SENSOR
5.4.16. TESTING AND ADJUSTING FAN BELT AND ALTERNATOR BELT TENSION
5.4.17. TESTING AND ADJUSTING AIR CONDITIONER COMPRESSOR BELT TENSION
5.4.18. MEASURING CLEARANCE OF SWING CIRCLE BEARING
5.4.19. TESTING AND ADJUSTING TRACK SHOE TENSION
5.4.20. TESTING AND ADJUSTING OIL PRESSURE IN WORK EQUIPMENT, SWING, AND TRAVEL CIRCUITS
5.4.21. MEASURING BASIC PRESSURE IN CONTROL CIRCUIT
5.4.22. TESTING AND ADJUSTING OIL PRESSURE IN PUMP PC CONTROL CIRCUIT
5.4.23. TESTING AND ADJUSTING OIL PRESSURE IN PUMP LS CONTROL CIRCUIT
5.4.24. MEASURING SOLENOID VALVE OUTPUT PRESSURE
5.4.25. MEASURING PPC VALVE OUTPUT PRESSURE
5.4.26. ADJUSTING PLAY OF WORK EQUIPMENT AND SWING PPC VALVES
5.4.27. TESTING PARTS WHICH CAUSE HYDRAULIC DRIFT OF WORK EQUIPMENT
5.4.28. RELEASING RESIDUAL PRESSURE IN HYDRAULIC CIRCUIT
5.4.29. MEASURING OIL LEAKAGE
5.4.30. BLEEDING AIR FROM EACH PART
5.4.31. TESTING PROCEDURE OF DIODE
5.4.32. SPECIAL FUNCTIONS OF MONITOR PANEL
5.4.33. SPECIAL FUNCTIONS OF 7SEGMENTS MONITOR PANEL
5.4.34. HANDLING OF HIGHVOLTAGE CIRCUIT OF ENGINE CONTROLLER
5.4.35. PREPARATION WORK FOR TROUBLESHOOTING FOR ELECTRICAL EQUIPMENT SYSTEM
5.4.36. PMCLINIC SERVICE
5.5. TROUBLESHOOTING
5.5.1. POINTS TO REMEMBER WHEN TROUBLESHOOTING
5.5.2. SEQUENCE OF EVENTS IN TROUBLESHOOTING
5.5.3. POINTS TO REMEMBER WHEN CARRYING OUT MAINTENANCE
5.5.4. CHECKS BEFORE TROUBLESHOOTING
5.5.5. CLASSIFICATION AND STEPS FOR TROUBLESHOOTING
5.5.6. CONNECTOR ARRANGEMENT DIAGRAM AND ELECTRIC CIRCUIT DIAGRAM OF EACH SYSTEM
5.5.7. CONNECTION TABLE FOR CONNECTOR PIN NUMBERS
5.5.8. T BRANCH BOX AND T BRANCH ADAPTER TABLE
5.5.9. CONNECTION TABLE OF FUSE BOX
5.5.10. TROUBLESHOOTING WHEN ERROR CODE ELECTRICAL SYSTEM AND FAILURE CODE MECHANICAL SYSTEM ARE DISPLAYED
5.5.11. TROUBLESHOOTING OF ELECTRICAL SYSTEM (E MODE)
5.5.12. TROUBLESHOOTING OF HYDRAULIC AND MECHANICAL SYSTEM(H MODE)
5.5.13. TROUBLESHOOTING OF ENGINE (S MODE)
6. DISASSEMBLY AND ASSEMBLY
6.1. HOW TO READ THIS MANUAL
6.2. COATING MATERIALS LIST
6.3. SPECIAL TOOL LIST
6.4. REMOVAL AND INSTALLATION OF CYLINDER HEAD ASSEMBLY
6.5. REMOVAL AND INSTALLATION OF ENGINE REAR SEAL
6.6. REMOVAL AND INSTALLATION OF ENGINE FRONT SEAL
6.7. REMOVAL AND INSTALLATION OF FUEL SUPPLY PUMP ASSEMBLY
6.8. REMOVAL AND INSTALLATION OF FUEL INJECTOR ASSEMBLY
6.9. REMOVAL AND INSTALLATION OF NOZZLE TIP
6.10. REMOVAL AND INSTALLATION OF STARTING MOTOR ASSEMBLY
6.11. REMOVAL AND INSTALLATION OF RADIATOR ASSEMBLY
6.12. REMOVAL AND INSTALLATION OF HYDRAULIC OIL COOLER ASSEMBLY
6.13. REMOVAL AND INSTALLATION OF ENGINE AND HYDRAULIC PUMP ASSEMBLY
6.14. REMOVAL AND INSTALLATION OF SWING CIRCLE ASSEMBLY
6.15. REMOVAL AND INSTALLATION OF SWING MOTOR AND SWING MACHINERY ASSEMBLY
6.16. DISASSEMBLY AND ASSEMBLY OF SWING MOTOR AND SWING MACHINERY ASSEMBLY
6.17. REMOVAL AND INSTALLATION OF SPROCKET
6.18. REMOVAL AND INSTALLATION OF TRAVEL MOTOR AND FINAL DRIVE ASSEMBLY
6.19. DISASSEMBLY AND ASSEMBLY OF FINAL DRIVE ASSEMBLY
6.20. DISASSEMBLY AND ASSEMBLY OF CARRIER ROLLER ASSEMBLY
6.21. DISASSEMBLY AND ASSEMBLY OF TRAVEL ROLLER ASSEMBLY
6.22. DISASSEMBLY AND ASSEMBLY OF IDLER ASSEMBLY
6.23. DISASSEMBLY AND ASSEMBLY OF RECOIL SPRING ASSEMBLY
6.24. EXPANSION AND INSTALLATION OF TRACK SHOE ASSEMBLY
6.25. REMOVAL AND INSTALLATION OF AIR CONDITIONER UNIT ASSEMBLY
6.26. REMOVAL AND INSTALLATION OF OPERATORS CAB
6.27. REMOVAL AND INSTALLATION OF MONITOR ASSEMBLY
6.28. REMOVAL AND INSTALLATION OF PUMP CONTROLLER
6.29. REMOVAL AND INSTALLATION OF ENGINE CONTROLLER
6.30. REMOVAL AND INSTALLATION OF REVOLVING FRAME ASSEMBLY
6.31. REMOVAL AND INSTALLATION OF COUNTERWEIGHT ASSEMBLY
6.32. REMOVAL AND INSTALLATION OF HYDRAULIC TANK ASSEMBLY
6.33. REMOVAL AND INSTALLATION OF HYDRAULIC PUMP ASSEMBLY
6.34. REMOVAL AND INSTALLATION OF OIL SEAL IN HYDRAULIC PUMP INPUT SHAFT
6.35. REMOVAL AND INSTALLATION OF CONTROL VALVE ASSEMBLY
6.36. DISASSEMBLY AND ASSEMBLY OF CONTROL VALVE ASSEMBLY
6.37. REMOVAL AND INSTALLATION OF CENTER SWIVEL JOINT ASSEMBLY
6.38. DISASSEMBLY AND ASSEMBLY OF CENTER SWIVEL JOINT ASSEMBLY
6.39. DISASSEMBLY AND ASSEMBLY OF WORK EQUIPMENT PPC VALVE ASSEMBLY
6.40. DISASSEMBLY AND ASSEMBLY OF TRAVEL PPC VALVE ASSEMBLY
6.41. DISASSEMBLY AND ASSEMBLY OF HYDRAULIC CYLINDER ASSEMBLY
6.42. REMOVAL AND INSTALLATION OF WORK EQUIPMENT ASSEMBLY
6.43. REMOVAL AND INSTALLATION OF OPERATORS CAB GLASS (STUCK GLASS)
6.44. REMOVAL AND INSTALLATION OF FRONT WINDOW ASSEMBLY
7. OTHERS
7.1. HYDRAULIC CIRCUIT DIAGRAM (1/2)
7.2. HYDRAULIC CIRCUIT DIAGRAM (2/2)
7.3. ELECTRICAL CIRCUIT DIAGRAM (1/6)
7.4. ELECTRICAL CIRCUIT DIAGRAM (2/6)
7.5. ELECTRICAL CIRCUIT DIAGRAM (3/6)
7.6. ELECTRICAL CIRCUIT DIAGRAM (4/6)
7.7. ELECTRICAL CIRCUIT DIAGRAM (5/6)
7.8. ELECTRICAL CIRCUIT DIAGRAM (6/6)
7.9. AIR CONDITIONER ELECTRICAL CIRCUIT
7.10. ELECTRICAL CIRCUIT DIAGRAM (A1 SIZE)
7.11. CONNECTORS TABLE AND ARRANGEMENT DRAWING (A1 SIZE)

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