Komatsu PC12R-8, PC15R-8 Hydraulic Excavator Shop Manual SEBM013103
Komatsu PC12R-8, PC15R-8 Hydraulic Excavator Shop Manual SEBM013103 - Image 2
Komatsu PC12R-8, PC15R-8 Hydraulic Excavator Shop Manual SEBM013103 - Image 3
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Komatsu PC12R-8, PC15R-8 Hydraulic Excavator Shop Manual SEBM013103 - Image 5

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

$50.00

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

Description

  • 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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