komatsu pc10 7 pc15 3 pc20 7 hydraulic excavator shop manual sebm020p0703 1

komatsu pc10 7 pc15 3 pc20 7 hydraulic excavator shop manual sebm020p0703 2

komatsu pc10 7 pc15 3 pc20 7 hydraulic excavator shop manual sebm020p0703 3

komatsu pc10 7 pc15 3 pc20 7 hydraulic excavator shop manual sebm020p0703 4

komatsu pc10 7 pc15 3 pc20 7 hydraulic excavator shop manual sebm020p0703 5

Komatsu PC10-7, PC15-3, PC20-7 Hydraulic Excavator Shop Manual SEBM020P0703

$40.00

Type Of Manual: Shop Manual
Manual ID: SEBM020P0703
Format: PDF
Size: 12.4MB
Number of Pages: 264

Category: Komatsu Shop Manual PDF

Model List:
- PC10-7 Hydraulic Excavator
- PC15-3 Hydraulic Excavator
- PC20-7 Hydraulic Excavator

1. COVER
2. CONTENTS
3. STRUCTURE AND FUNCTION
3.1. POWER TRAIN
3.2. SWING CIRCLE
3.3. SWING MACHINERY
3.4. TRACK FRAME AND RECOIL SPRING
3.5. HYDRAULIC PIPING
3.6. HYDRAULIC CIRCUIT DIAGRAM
3.7. HYDRAULIC TANK AND FUEL TANK
3.8. HYDRAULIC PUMP
3.9. SPOOL CONTROL VALVE
3.10. SPOOL CONTROL VALVE
3.11. SWING MOTOR
3.12. CENTER SWIVEL JOINT
3.13. TRAVEL MOTOR
3.14. HYDRAULIC CYLINDER
3.15. VALVE CONTROL
3.16. WORK EQUIPMENT
3.17. ELECTRICAL CIRCUIT DIAGRAM
3.18. MONITOR SYSTEM
4. TESTING AND ADJUSTING
4.1. TABLE OF JUDGEMENT STANDARD VALUE
4.2. STANDARD VALUE TABLE FOR ELECTRICAL SYSTEM
4.3. TOOL FOR TESTING, ADJUSTING AND TROUBLESHOOTING
4.4. ADJUSTING VALVE CLEARANCE
4.5. MEASURING COMPRESSION PRESSURE
4.6. ADJUSTING FUEL INJECTION TIMING
4.7. ADJUSTING FUEL CONTROL LEVER
4.8. TESTING AND ADJUSTING HYDRAULIC PRESSURE IN WORK EQUIPMENT, SWING, TRAVEL CIRCUIT
4.9. TESTING LOCATIONS CAUSING HYDRAULIC DRIFT OF WORK EQUIPMENT
4.10. BLEEDING AIR
4.11. TROUBLESHOOTING
4.11.1. POINTS TO REMEMBER WHEN TROUBLESHOOTING
4.11.2. SEQUENCE OF EVENTS IN TROUBLESHOOTING
4.11.3. PRECAUTIONS WHEN CARRYING OUT MAINTENANCE
4.11.4. CHECKS BEFORE TROUBLESHOOTING
4.11.5. ELECTRICAL CIRCUIT DIAGRAM
4.11.6. POSITION OF CONNECTORS FOR TROUBLESHOOTING
4.11.7. CONNECTION TABLE FOR CONNECTOR
4.11.8. HANDLING CONNECTORS
4.11.9. METHOD OF USING TROUBLESHOOTING CHARTS
4.11.10. TROUBLESHOOTING OF ELECTRICAL SYSTEM (C MODE)
4.11.10.1. C1. THIS ENGINE DOES NOT STOP WHEN THE STARTING SWITCH IS TURNED OFF
4.11.11. TROUBLESHOOTING OF HYDRAULIC AND MECHANICAL SYSTEM (H MODE)
4.11.11.1. H1 SPEEDS OF WORK EQUIPMENT, TRAVEL SWING ARE ALL SLOW ALL WORK EQUIPMENT, TRAVEL, SWING LACK POWER
4.11.11.2. H2 THERE IS EXCESSIVE DROP IN ENGINE SPEED, OR ENGINE STALLS WORK EQUIPMENT, TRAVEL, SWING DO NOT MOVE, OR SPEED IN EXTREMELY SLOW
4.11.11.3. H3 ABNORMAL NOISE GENERATED (FROM AROUND PUMP)
4.11.11.4. H4 CONTROL LEVER IS HEAVY
4.11.11.5. H5 WORK EQUIPMENT (BOOM, ARM, BUCKET) SPEED IS SLOW EXCESSIVE HYDRAULIC DRIFT
4.11.11.6. H6 WORK EQUIPMENT (BOOM, ARM, BUCKET) LACKS POWER
4.11.11.7. H7 EXCESSIVE TIME LAG
4.11.11.8. H8 WHEN MACHINE IS TRAVELING . IT DEVIATES NATURALLY TO ONE SIDE
4.11.11.8.1. DEVIATES IN SAME DIRECTION BOTH IN FORWARD AND REVERSE
4.11.11.8.2. DEVIATES IN DIFFERENT DIRECTION IN FORWARD AND REVERSE
4.11.11.9. H9 TRAVEL LACKS POWER (OR SPEED IS SLOW)
4.11.11.10. H10 MACHINE DOES NOT MOVE (ONE SIDE ONLY)
4.11.11.11. H11 DOES NOT SWING
4.11.11.12. H12 SWING SPEED IS SLOW OR ACCELERATION IS POOR
4.11.11.13. H13 EXCESSIVE OVERRUN WHEN STOPPING SWING
4.11.11.14. H14 EXCESSIVE SHOCK WHEN STOPPING SWING
4.11.11.15. H15 EXCESSIVE ABNORMAL NOISE WHEN STOPPING SWING
4.11.11.16. H16 EXCESSIVE HYDRAULIC DRIFT OF SWING
4.11.11.17. H17 EXCESSIVE HYDRAULIC OF BOOM SWING
4.11.11.18. TABLE OF FAILURE MODES AND CAUSES
4.11.12. TROUBLESHOOTING OF MONITOR SYSTEM (P MODE)
4.11.12.1. P1 MONITOR PANEL DOES NOT WORK
4.11.12.2. P2 MONITOR PANEL CAUTION AND GAUGE LAMPS DO NOT LIGHT UP FOR 3 SECONDS AFTER STARTING SWITCHES TURNED ON, OR ALL LAMPS STAY LIGHTED UP
4.11.12.2.1. DO NOT LIGHT UP FOR 3 SECONDS
4.11.12.2.2. ALL LAMPS STAY LIGHTED UP
4.11.12.3. P3 (OIL PRESSURE CAUTION LAMP) DOES NOT LIGHT UP WHEN STARTING SWITCH IS TURNED ON (ENGINE STOPPED)
4.11.12.4. P4 (CHARGE CAUTION LAMP) DOES NOT LIGHT UP WHEN STARTING SWITCH IS TURNED ON (ENGINE STOPPED)
4.11.12.5. P5 (PREHEATING PILOT LAMP) DOES NOT LIGHT UP WHEN PREHEATING
4.11.12.6. P6 (ENGINE OIL LEVEL CAUTION LAMP) LIGHTS UP WHEN STARTING SWITCH IS TURNED ON (ENGINE STOPPED) (ENGINE OIL LEVEL IS NORMAL)
4.11.12.7. P7 (ENGINE OIL PRESSURE CAUTION LAMP) LIGHTS UP WHEN ENGINE IS RUNNING (ENGINE OIL PRESSURE IS NORMAL)
4.11.12.8. P8 (CHARGE CAUTION LAMP) LIGHTS UP WHEN ENGINE IS RUNNING
4.11.12.9. P9 ABNORMALITY IN COOLANT TEMPERATURE GAUGE DISPLAY
4.11.12.9.1. AFTER ENGINE IS STARTED, GAUGE STAYS AT LOWEST LEVEL AND DOES NOT MOVE
4.11.12.9.2. AFTER ENGINE IS STARTED, LEVEL RISES IMMEDIATELY ENTERS TED RANGE EVEN WHEN ENGINE IS NOT OVERHEATING
4.11.12.10. P10 ABNORMALITY IN FUEL GAUGE DISPLAY
4.11.12.10.1. ALL SEGMENTS OF FUEL GAUGE GO OUT
4.11.12.10.2. FUEL LEVEL HAS GONE DOWN, BUT FUEL GAUGE STILL GIVES FULL DISPLAY, AND DOES NOT GO DOWN
4.11.12.10.3. FUEL GAUGE DOES NOT GIVE FULL DISPLAY EVEN WHEN FUEL TANK IS FILLED
4.11.12.11. P11 WHEN STARTING SWITCH IS TURNED ON, BUZZER DOES NOT SOUND FOR 1 SECOND
4.11.12.12. P12 ABNORMALITY IN SERVICE METER DISPLAY
4.11.12.12.1. SERVICE METER DOES NOT MOVE WHEN ENGINE IS RUNNING
4.11.12.12.2. SERVICE METER PILOT LAMP DOES NOT FLASH
4.11.12.13. P13 NIGHT LIGHTING DOES NOT LIGHT UP
4.11.12.13.1. WHEN LAMP SWITCH IS AT POSITION 1OR POSITION 2, INTERNAL LIGHTING OF MONITOR (GAUGE PORTION) DOES NOT LIGHT UP
4.11.12.13.2. WHEN LAMP SWITCH IS AT POSITION 2, WORKING LAMP DOES NOT LIGHT UP
4.11.12.14. P14 HEATER DOES NOT WORK WHEN HEATER SWITCH IS OPERATED (MACHINES WITH CAB SPECIFICATION)
5. DISASSEMBLY AND ASSEMBLY
5.1. METHOD OF USING MANUAL
5.2. PRECAUTIONS WHEN CARRYING OUT OPERATION
5.3. SPECIAL TOOL LIST
5.4. FUEL INJECTION PUMP
5.5. ENGINE FRONT SEAL
5.5.1. REMOVAL
5.5.2. INSTALLATION
5.6. ENGINE REAR SEAL
5.7. RADIATOR AND OIL COOLER
5.7.1. REMOVAL
5.7.2. INSTALLATION
5.8. ENGINE AND HYDRAULIC PUMP
5.9. CENTER SWIVEL JOINT
5.10. SWING MOTOR AND SWING MACHINERY
5.11. SWING MACHINERY
5.11.1. DISASSEMBLY
5.11.2. ASSEMBLY
5.12. REVOLVING FRAME
5.13. IDLER AND RECOIL SPRING
5.14. SPOOL CONTROL VALVE
5.14.1. REMOVAL
5.14.2. INSTALLATION
5.15. SPOOL CONTROL VALVE
5.15.1. REMOVAL
5.15.2. INSTALLATION
5.16. SPOOL CONTROL VALVE
5.16.1. DISASSEMBLY
5.16.2. ASSEMBLY
5.17. SPOOL CONTROL VALVE
5.18. BUCKET CYLINDER
5.18.1. REMOVAL
5.18.2. INSTALLATION
5.19. SWING CYLINDER
5.20. HYDRAULIC CYLINDER
6. MAINTENANCE STANDARD
6.1. SWING CIRCLE
6.2. SWING MACHINERY
6.3. TRACK FRAME AND RECOIL SPRING
6.4. SPOOL CONTROL VALVE
6.5. SPOOL CONTROL VALVE
6.6. SWING MOTOR
6.7. TRAVEL MOTOR
6.8. CENTER SWIVEL JOINT
6.9. HYDRAULIC CYLINDER
6.10. WORK EQUIPMENT

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