komatsu pc12r 8 pc15r 8 hydraulic excavator shop manual sebm013103 1

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Komatsu PC12R-8, PC15R-8 Hydraulic Excavator Shop Manual SEBM013103

$40.00

Type Of Manual: Shop Manual
Manual ID: SEBM013103
Format: PDF
Size: 16.8MB
Number of Pages: 355

Category: Komatsu Shop Manual PDF

Model List:
- PC12R-8 Hydraulic Excavator
- PC15R-8 Hydraulic Excavator

0.1. General assembly drawing
0.2. Specifications
0.3. List of lubricant and water
1. STRUCTURE AND FUNCTION
1.1. Power Train
1.2. Swing circle
1.3. Track frame and recoil spring
1.4. Hydraulic piping
1.5. Hydraulic tank
1.6. Hydraulic pump
1.7. Control valve (PC12R8)
1.8. CLSS (PC12R8)
1.9. Control valve (PC15R8)
1.10. CLSS (PC15R8)
1.11. Center swivel joint
1.12. Machine monitor system
2. TESTING AND ADJUSTING
2.1. STANDARD VALUE TABLE
2.2. Standard value table for engine related parts
2.3. Standard value table for chassis related parts
2.4. Standard value table for electrical parts
2.5. TESTING AND ADJUSTING
2.5.1. Tools for testing, adjusting, and troubleshooting
2.5.2. Measuring engine speed
2.5.3. Measuring exhaust color
2.5.4. Adjusting valve clearance
2.5.5. Measuring compression pressure
2.5.6. Testing and adjusting fuel injection timing
2.5.7. Measuring engine oil pressure
2.5.8. Testing and adjusting fan belt tension
2.5.9. Testing and adjusting fuel control lever
2.5.10. Measuring sprocket wear
2.5.11. Testing and adjusting track shoe tension
2.5.12. Testing and adjusting hydraulic pressure in work equipment, swing, travel circuit
2.5.13. Testing and adjusting LS differential pressure
2.5.14. Adjusting PC valve spring
2.5.15. Testing and adjusting control circut pressure
2.5.16. Measuring output pressure of PPC lock valve and travel boost valve
2.5.17. Testing PPC valve output pressure and swing holding brake inlet port pressure
2.5.18. Adjusting work equipment, swing PPC valve
2.5.19. Testing and adjusting travel deviation
2.5.20. Measuring oil leakage inside work equipment cylinder
2.5.21. Releasing remaining pressure from hydraulic circuit
2.5.22. Releasing remaining pressure from hydraulic tank
2.5.23. Pressurizing hydraulic tank
2.5.24. Bleeding air
2.6. TROUBLESHOOTING
2.6.1. Type of connector and position of installation
2.6.2. Connection table for connector pin numbers
2.6.3. Troubleshooting of engine electrical system (E mode)
2.6.3.1. EMode related electrical circuit diagram
2.6.3.2. E1 Engine does not start
2.6.3.3. E2 Engine does not stop
2.6.4. Troubleshooting of hydraulic, mechanical system (H mode)
2.6.4.1. Table of failure modes and causes
2.6.4.2. H 1 Speeds of all work equipment, swing, travel are slow or lack power
2.6.4.3. H 2 There is excessive drop in engine speed, or engine stalls
2.6.4.4. H 3 No work equipment, travel, swing move
2.6.4.5. H 4 Abnormal noise generated (from around pump)
2.6.4.6. H 5 Fine control ability is poor or response is poor (PC15R)
2.6.4.7. H 6 Boom is slow or lacks power
2.6.4.8. H 7 Arm is slow or lacks power
2.6.4.9. H 8 Bucket is slow or lacks power
2.6.4.10. H 9 Boom swing is slow or lacks power
2.6.4.11. H10 Blade is slow or lacks power
2.6.4.12. H11 Boom, arm, bucket do not move (boom swing, blade, travel and swing are normal)
2.6.4.13. H12 Excessive hydraulic drift (boom, arm, bucket, boom swing, blade)
2.6.4.14. H13 Excessive time lag (engine at low idling)
2.6.4.15. H14 In compound operations, work equipment with larger load is slow
2.6.4.16. H15 Travel deviation
2.6.4.17. H16 Travel speed is slow or lacks power
2.6.4.18. H17 Steering does not turn easily
2.6.4.19. H18 Travel speed does not switch
2.6.4.20. H19 Travel does not move (one side only)
2.6.4.21. H20 Swing speed is slow or lacks power
2.6.4.22. H21 Does not swing
2.6.4.23. H22 Swing acceleration is poor
2.6.4.24. H23 Excessive overrun when stopping swing
2.6.4.25. H24 Excessive shock when stopping swing (in one direction only)
2.6.4.26. H25 Excessive abnormal noise when stopping swing
2.6.4.27. H26 Excessive hydraulic drift of swing
2.6.5. Troubleshooting of machine monitor system (M mode)
2.6.5.1. Electrical circuit diagram for M Mode related parts
2.6.5.2. M1 Abnormality in engine oil pressure caution lamp system
2.6.5.3. M2 Abnormality in charge caution lamp system
2.6.5.4. M3 Abnormality in engine water temperature caution lamp system
2.6.5.5. M4 Abnormality in preheating pilot lamp
2.6.5.6. M5 Abnormality in fuel gauge system
2.6.5.7. M6 Abnormality in service meter system
2.6.5.8. M7 Abnormality in night lighting system
3. DISASSEMBLY AND ASSEMBLY
3.1. Method of using manual
3.2. Precautions when carrying out operation
3.3. Special tool list
3.4. Starting motor
3.4.1. Removal and installation
3.5. Alternator
3.5.1. Removal and installation
3.6. Fuel injection pump
3.6.1. Removal and installation
3.7. Nozzle holder
3.7.1. Removal and installation
3.8. Water pump
3.8.1. Removal and installation
3.9. Thermostat
3.9.1. Removal and installation
3.10. Engine front seal
3.10.1. Removal and installation
3.11. Engine rear seal
3.12. Engine, hydraulic pump
3.12.1. Removal
3.12.2. Installation
3.13. Fuel tank
3.13.1. Removal and installation
3.14. Damper
3.14.1. Removal and installation
3.15. Center swivel joint
3.15.1. Removal and installation
3.15.2. Disassembly and assembly
3.16. Travel motor
3.16.1. Removal and installation
3.17. Sprocket
3.17.1. Removal and installation
3.18. Swing motor
3.18.1. Removal and installation
3.19. Revolving frame
3.19.1. Removal
3.19.2. Installation
3.20. Swing circle
3.20.1. Removal and installation
3.21. Idler
3.21.1. Removal and installation
3.21.2. Disassembly
3.21.3. Assembly
3.22. Idler cushion (rubber shoe)
3.22.1. Removal and installation
3.22.2. Disassembly and assembly
3.23. Idler cushion (steel shoe)
3.23.1. Disassembly
3.23.2. Assembly
3.24. Track roller
3.24.1. Removal and installation
3.24.2. Disassembly and assembly
3.25. Rubber shoe
3.25.1. Removal and installation
3.26. Steel shoe
3.26.1. Removal and installation
3.27. Hydraulic tank
3.27.1. Removal
3.27.2. Installation
3.28. Hydraulic oil cooler
3.28.1. Removal and installation
3.29. Hydraulic pump
3.29.1. Removal and installation
3.29.2. Removal and installation
3.30. Bucket cylinder
3.30.1. Removal and installation
3.31. Hydraulic cylinder
3.31.1. Removal and installation
3.31.2. Removal and installation
3.32. Canopy
3.32.1. Removal and installation
4. MAINTENANCE STANDARD
4.1. Swing circle
4.2. Track frame, recoil spring
4.3. Idler
4.4. Track roller
4.5. Track shoe
4.6. Hydraulic pump (PC15R8)
4.7. Control valve (PC12R8)
4.8. Control valve (PC15R8)
4.9. Center swivel joint
4.10. Swing motor
4.11. PPC valve
4.12. Hydraulic cylinder
4.13. Work equipment
5. OTHERS
5.1. Hydraulic circuit diagram PC12R8
5.2. Hydraulic circuit diagram PC15R8
5.3. Electric circuit diagram PC12R,15R8

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