Komatsu PC03-2 Hydraulic Excavator Shop Manual SEBM025000
$40.00
- Type Of Manual: Shop Manual
- Manual ID: SEBM025000
- Format: PDF
- Size: 12.3MB
- Number of Pages: 255
Category: Komatsu Shop Manual PDF
-
Model List:
- PC03-2 Hydraulic Excavator
- 0.1. HOW TO READ THE SHOP MANUAL
- 0.2. HOISTING INSTRUCTIONS
- 0.3. STANDARD TIGHTENING TORQUE
- 0.4. COATING MATERIALS
- 0.5. ELECTRIC WIRE CODE
- 0.6. COVERSION TABLE
- 1. GENERAL
- 1.1. GENERAL ASSEMBLY DRAWING
- 1.2. SPECIFICATIONS
- 1.3. WEIGHT TABLE
- 1.4. LIST OF LUBRICANT AND WATER
- 1.5. HYDRAULIC PIPING
- 1.6. HYDRAULIC DIAGRAM
- 1.7. HYDRAULIC TANK
- 1.8. HYDRAULIC PUMP
- 1.9. SPOOL CONTROL VALVE
- 1.10. SWING MOTOR
- 1.11. CENTER SWIVEL JOINT
- 1.12. TRAVEL MOTOR
- 1.13. VALVE CONTROL
- 1.14. HYDRAULIC CYLINDER
- 1.15. WORK EQUIPMENT
- 1.16. ELECTRICAL CIRCUIT DIAGRAM
- 2. TESTING AND ADJUSTING
- 2.1. STANDARD VALVE TABLE FOR ENGINERELATED PARTS
- 2.2. STANDARD VALVE TABLE FOR CHASSISRELATED PARTS
- 2.3. TOOLS FOR TESTING, ADJUSTING, AND TROUBLESHOOTING
- 2.4. MEASURING ENGINE SPEED
- 2.5. MEASURING ENGINE OIL PRESSURE
- 2.6. ADJUSTING VALVE CLEARANCE
- 2.7. MEASURING COMPRESSION PRESSURE
- 2.8. TESTING AND ADJUSTING FUEL INJECTION TIMING
- 2.9. TESTING AND ADJUSTING OIL PRESSURE IN WORK EQUIPMENT, SWING, AND TRAVEL CIRCUITS
- 2.10. TESTING LOCATIONS CAUSING HYDRAULIC DRIFT OF WORK EQUIPMENT
- 2.11. BLEEDING AIR FROM HYDRAULIC CYLINDERS
- 2.12. TROUBLESHOOTING
- 2.12.1. POINTS TO REMEMBER WHEN TROUBLESHOOTING
- 2.12.2. SEQUENCE OF EVENTS IN TROUBLESHOOTING
- 2.12.3. PRECAUTIONS WHEN CARRYING OUT MAINTENANCE
- 2.12.4. CHECKS BEFORE TROUBLESHOOTING CHARTS
- 2.12.5. METHOD OF USING TROUBLESHOOTING CHARTS
- 2.12.6. TROUBLESHOOTING OF HYDRAULIC AND MECHANICAL SYSTEMS (H MODE)
- 2.12.6.1. H1 SPEEDS OF ALL WORK EQUIPMENT, TRAVELING, SWINGING ARE SLOW OR LACK POWER
- 2.12.6.2. H2 THERE IS EXCESSIVE DROP IN ENGINE SPEED, OR ENGINE STALLS WORK EQUIPMENT TRAVELING, SWINGING DO NOT FUNCTION OR ARE
- 2.12.6.3. H3 ABNORMAL NOISE GENERATED (FROM AROUND PUMP)
- 2.12.6.4. H4 CONTROL LEVER IS HEAVY
- 2.12.6.5. H5 WORK EQUIPMENT (BOOM, ARM, BUCKET ) IS SLOW EXCESSIVE HYDRAULIC DRIFT
- 2.12.6.6. H6 WORK EQUIPMENT (BOOM, ARM, BUCKET ) LACKS POWER
- 2.12.6.7. H7 EXCESSIVE TIME LAG
- 2.12.6.8. H8 WHEN MACHINE IS TRAVELING, IT DEVIATES NATURALLY TO ONE SIDE
- 2.12.6.8.1. DEVIATES IN SAME DIRECTION IN BOTH FORWARD AND REVERSE
- 2.12.6.8.2. DEVIATES IN DIFFERENT DIRECTIONS IN BOTH FORWARD AND REVERSE
- 2.12.6.9. H9 TRAVEL LACKS POWER (OR SPEED IS SLOW
- 2.12.6.10. H10 MACHINE DOES NOT MOVE (ONE SIDE ONLY)
- 2.12.6.11. H11 DOES NOT SWING
- 2.12.6.12. H12 SWING SPEED IS SLOW OR ACCELERATION IS POOR
- 2.12.6.13. H13 EXCESSIVE OVERRUN WHEN STOPPING SWING
- 2.12.6.14. H14 EXCESSIVE SHOCK WHEN STOPPING SWING
- 2.12.6.15. H15 EXCESSIVE ABNORMAL NOISE WHEN STOPPING SWING
- 2.12.6.16. H16 EXCESSIVE HYDRAULIC DRIFT OF SWING
- 2.12.6.17. H17 EXCESSIVE HYDRAULIC DRIFT OF BOOM SWING
- 2.12.6.18. TABLE OD FAILURE MODES AND CAUSES
- 2.12.7. TROUBLESHOOTING OF MACHINE MONITOR SYSTEM (M MODE)
- 2.12.7.1. M1 WHEN STARTING SWITCH IS TURNED ON (ENGINE STOPPED), ENGINE OIL PRESSURE CAUTION LAMP DOES NOT LIGHT UP
- 2.12.7.2. M2 WHEN ENGINE IS RUNNING, ENGINE OIL PRESSURE CAUTION LAMP LIGHTS UP (ENGINE OIL PRESSURE IS NORMAL)
- 2.12.7.3. M3 THE ENGINE COOLING WATER TEMPERATURE CASUTION LAMP WILL LIGHT ON, WHEN TURNING THE ENGINE STARTING SWITCH ON
- 2.12.7.4. M4 THE WORKING LAMP DOES NOT LIGHT ON, EVEN THOUGH THE LAMP SWITCH IS TURNED ON
- 2.12.8. TROUBLESHOOTING OF ELECTRICAL SYSTEM (E MODE)
- 2.12.8.1. E1 THE ENGINE DOES NOT START, EVEN THOUGH THE ENGINE STARTING SWITCH IS TURNED ON
- 2.12.8.1.1. WHEN THE ENGINE STARTING MOTOR DOES NOT ROTATE NORMALLY
- 2.12.8.1.2. WHEN THE ENGINE STARTING MOTOR ROTATES NORMALLY
- 2.12.8.2. E2 THE ENGINE DOES NOT STOP, EVEN THOUGH THE ENGINE STARTING SWITCH IS TURNED OFF
- 3. DISASSEMBLY AND ASSEMBLY
- 3.1. METHOD OF USING MANUAL
- 3.2. PRECAUTIONS WHEN CARRYING OUT OPERATION
- 3.3. SPECIAL TOOL LIST
- 3.4. RADIATOR
- 3.4.1. REMOVAL AND INSTALLATION
- 3.5. CENTER SWIVEL JOINT
- 3.5.1. DISASSEMBLY AND ASSEMBLY
- 3.6. BATTERY
- 3.6.1. REMOVAL AND INSTALLATION
- 3.7. ENGINE, MAIN PUMP
- 3.7.1. REMOVAL AND INSTALLATION
- 3.8. TRAVEL MOTOR
- 3.8.1. REMOVAL AND INSTALLATION
- 3.9. SPROCKET
- 3.9.1. REMOVAL AND INSTALLATION
- 3.10. SWING MOTOR
- 3.10.1. REMOVAL AND INSTALLATION
- 3.11. REVOLVING FRAME
- 3.11.1. REMOVAL AND INSTALLATION
- 3.12. SWING CIRCLE
- 3.12.1. REMOVAL AND INSTALLATION
- 3.13. IDLER
- 3.13.1. REMOVAL AND INSTALLATION
- 3.14. IDLER
- 3.14.1. DISASSEMBLY AND ASSEMBLY
- 3.15. TRACK ROLLER
- 3.15.1. REMOVAL AND INSTALLATION
- 3.16. TRACK ROLLER
- 3.16.1. DISASSEMBLY AND ASSEMBLY
- 3.17. RUBBER SHOE
- 3.17.1. REMOVAL AND INSTALLATION
- 3.18. MAIN PUMP
- 3.18.1. REMOVAL AND INSTALLATION
- 3.19. SPOOL CONTROL VALVE
- 3.19.1. REMOVAL AND INSTALLATION
- 3.20. SPOOL CONTROL VALVE
- 3.20.1. DISASSEMBLY
- 3.21. ARM CYLINDER
- 3.21.1. REMOVAL AND INSTALLATION
- 3.22. BUCKET CYLINDER
- 3.22.1. REMOVAL AND INSTALLATION
- 3.23. BOOM CYLINDER
- 3.23.1. REMOVAL AND INSTALLATION
- 3.24. BOOM SWING CYLINDER
- 3.24.1. REMOVAL AND INSTALLATION
- 3.25. BLADE CYLINDER
- 3.25.1. REMOVAL AND INSTALLATION
- 3.26. WORK EQIPMENT
- 3.26.1. REMOVAL AND INSTALLATION
- 3.27. BUCKET
- 3.27.1. REMOVAL AND INSTALLATION
- 3.28.1. REMOVAL AND INSTALLATION
- 3.29. BOOM
- 3.29.1. REMOVAL
- 3.29.2. INSTALLATION
- 3.30. BLADE
- 3.30.1. REMOVAL AND INSTALLATION
- 3.31. FUEL TANK
- 3.31.1. REMOVAL AND INSTALLATION
- 3.32. MACHINE COVER
- 3.32.1. REMOVAL
- 3.32.2. INSTALLATION
- 3.33. HYDRAULIC TANK
- 3.33.1. REMOVAL AND INSTALLATION
- 3.34. MONITOR PANEL
- 3.34.1. REMOVAL AND INSTALLATION
- 3.35. COUNTERWEIGHT
- 3.35.1. REMOVAL AND INSTALLATION
- 4. MAINTENANCE STANDARD
- 4.1. CENTER SWIVEL JOINT
- 4.2. SPOOL CONTROL VALVE
- 4.3. TRAVEL MOTOR
- 4.4. HYDRAULIC CYLINDER
- 4.5. WORK EQUIPMENT
- 5. ENGINE
- 5.1. CONTENTS
- 5.2. SPECIFICATIONS AND PERFORMANCE
- 5.3. CROSS SECTIONAL VIEWS
- 5.3.1. SPECIAL SWIRL PRECOMBUSTION CHAMBER SYSTEM
- 5.4. COOLING WATER, LUBRICATING OIL AND FUEL OIL
- 5.4.1. COOLING WATER
- 5.4.2. LUBRICATING OIL
- 5.4.3. FUEL OIL
- 5.5. TROUBLESHOOTING
- 5.5.1. TROUBLE CAUSES AND REMEDIES
- 5.5.2. TROUBLE DIAGNOSIS THROUGH MEASUREMENT OF COMPRESSION PRESSURE
- 5.6. SPECIAL SERVICE TOOLS
- 5.6.1. SPECIAL SERVICE TOOLS
- 5.6.2. MEASURING INSTRUMENTS
- 5.7. MEASUREMENT, INSPECTION AND ADJUSTMENT
- 5.7.1. MEASURING THE COMPRESSION PRESSURE
- 5.7.2. ADJUSTING THE VALVE HEAD
- 5.7.3. CHECKING THE VBELT TENSION
- 5.7.4. MEASURING AND CHECKING THE INJECTION PRESSURE AND SPRAY PATTERNS OF THE FUEL INJECTION VALVE
- 5.7.5. CHECKING AND ADJUSTIONG THE FUEL INJECTION TIMING
- 5.7.6. ADJUSTING THE NOLOAD MAXIMUM (OR MINIMUM) REVOLUTIONS
- 5.7.7. CHECKING THE COOLING WATER SYSTEM AND RADIATOR FOR LEAKAGE
- 5.7.8. CHECKING THE BATTERY
- 5.7.9. CHECKING SENSORS
- 5.7.10. CHECKING THE OIL COOLER
- 5.7.11. CHECKING THE PISTON COOLING NOZZLE
- 5.8. MEASURING PROCEDURES, SERVICE DATA AND CORRECTIVE ACTION
- 5.8.1. CYLINDER HEAD
- 5.8.2. CYLINDER BLOCK
- 5.8.3. VALVE ROCKER ARM
- 5.8.4. PISTON AND PISTON RING
- 5.8.5. CONNECTING ROD
- 5.8.6. CAMSHAFT
- 5.8.7. CRANKSHAFT
- 5.8.8. GEARS
- 5.8.9. TROCHOID PUMP
- 5.9. DISASSEMBLY AND REASSEMBLY
- 5.9.1. DISASSEMBLY
- 5.9.2. PRECAUTIONS BEFORE AND DURING REASSEMBLY
- 5.10. SERVICE DATA
- 5.10.1. CYLINDER HEAD
- 5.10.2. CYLINDER BLOCK
- 5.10.3. VALVE ROCKER ARM
- 5.10.4. PISTON
- 5.10.5. PISTON RING
- 5.10.6. CONNECTING ROD
- 5.10.7. CAMSHAFT
- 5.10.8. CRANKSHAFT
- 5.10.9. SIDE GAP AND BACKLASH
- 5.10.10. OTHERS
- 5.11. TIGHENING TORQUJE
- 5.11.1. MAIN BOLT/NUT
- 5.11.2. STANDARD BOLT AND NUT
- 5.12. FUEL INJECTION PUMP FOR INDIRECT INJECTION SYSTEM
- 5.12.1. EXPLODED VIEWS (YPFR TYPE)
- 5.12.2. DISASSEMBLY
- 5.12.3. INSPECTION
- 5.12.4. REASSEMBLY
- 5.13. GOVERNOR
- 5.13.1. EXPLODED VIEWS OF GOVERNOR FOR INDIRECT INJECTION SYSTEM
- 5.13.2. DISASSEMBLY
- 5.13.3. INSPECTION
- 5.13.4. REASSEMBLY
- 5.14. ATTACHED DRAWING 1. EXPLODED VIEWS OF ENGINE COMPONENTS
- 5.15. ATTACHED DRAWING 2. EXPLODED VIEWS OF ENGINE COMPONENTS
Rate this product
You may also like
Login