komatsu pc20mr 2 pc27mr 2 pc30mr 2 galeo hydraulic excavator shop manual webm006900 1

komatsu pc20mr 2 pc27mr 2 pc30mr 2 galeo hydraulic excavator shop manual webm006900 2 2

komatsu pc20mr 2 pc27mr 2 pc30mr 2 galeo hydraulic excavator shop manual webm006900 3

komatsu pc20mr 2 pc27mr 2 pc30mr 2 galeo hydraulic excavator shop manual webm006900 4

komatsu pc20mr 2 pc27mr 2 pc30mr 2 galeo hydraulic excavator shop manual webm006900 5

Komatsu PC20MR-2, PC27MR-2, PC30MR-2 Galeo Hydraulic Excavator Shop Manual WEBM006900

$40.00

Type Of Manual: Shop Manual
Manual ID: WEBM006900
Format: PDF
Size: 91.1MB
Number of Pages: 646

Category: Komatsu Shop Manual PDF

Model List:
- PC20MR-2 Galeo Hydraulic Excavator
- PC27MR-2 Galeo Hydraulic Excavator
- PC30MR-2 Galeo Hydraulic Excavator

1. Contents
2. General
2.1. Specification dimension drawing
2.2. Working range drawing
2.3. Specifications
2.4. Weight table
2.5. Lubricants, fuel and coolant specifications
3. STRUCTURE, FUNCTION AND MAINTENANCE STANDARD
3.1. Swing machinery
3.2. Idler cushion
3.3. Idler
3.4. Hydraulic components layout drawing
3.5. Center swivel joint
3.6. Travel motor
3.7. Travel motor
3.8. Hydraulic cylinder
3.9. Operation for each function and valve
3.10. Swing motor
3.11. Swing motor
3.12. Ppc valve
3.13. Work equipment
3.14. Dimensions of each part of work equipment
3.15. Floor
3.16. Engine control
3.17. Electric control system
3.18. Component parts of system
3.19. Monitor system
3.20. Monitor panel
3.21. Sensors
4. TESTING AND ADJUSTING
4.1. Standard value table for engine related parts
4.2. Standard value table for chassis related parts
4.3. Testing and adjusting
4.3.1. List of testing, adjusting, and troubleshooting tools
4.3.2. Measuring engine speed
4.3.3. Measurement of exhaust gas color
4.3.4. Adjusting valve clearance
4.3.5. Adjusting valve clearance
4.3.6. Measuring compression pressure
4.3.7. Measuring compression pressure
4.3.8. Measuring engine oil pressure
4.3.9. Testing and adjusting fuel injection timing
4.3.10. Testing and adjusting fuel injection timing
4.3.11. Bleeding air from fuel circuit
4.3.12. Testing and adjusting alternator belt tension
4.3.13. Testing and adjusting alternator belt tension
4.3.14. Adjusting fuel control lever linkage
4.3.15. Measurement of clearance in swing circle bearings
4.3.16. Testing wear of sprocket
4.3.17. Testing and adjusting track shoe tension
4.3.18. Testing and adjusting oil pressures in work equipment, travel, swing, and blade circuits
4.3.19. Measuring and adjusting oil pressures in work equipment, travel, boom swing, swing, and blade circuits
4.3.20. Measuring control circuit basic pressure
4.3.21. Testing and adjusting pump ls differential pressure
4.3.22. Measuring and adjusting ls differential pressure
4.3.23. Measuring solenoid valve output pressure
4.3.24. Measuring ppc valve output pressure
4.3.25. Adjusting play of work equipment and swing ppc valves
4.3.26. Measuring swing holding brake release pressure
4.3.27. Measuring swing holding brake release pressure
4.3.28. Testing and adjusting travel deviation
4.3.29. Measurement of oil leakage from cylinder
4.3.30. Releasing residual pressure from hydraulic circuit
4.3.31. Bleeding air from cylinder
4.3.32. Pressurizing hydraulic tank
4.3.33. Bleeding air from each part
4.3.34. How to open and close (tilt) floor
4.3.35. Inspection procedures for diode
4.3.36. Troubleshooting
4.4. Troubleshooting of electrical system PC20MR2 (Except monitor panel) (E mode)
4.4.1. Before starting emode troubleshooting
4.4.2. Information contained in troubleshooting table
4.5. Troubleshooting of electrical system PC27MR2 PC30MR2 (Except monitor panel) (E mode)
4.5.1. Before starting emode troubleshooting
4.5.2. Information contained in troubleshooting table
4.6. Troubleshooting of hydraulic and mechanical system (PC20MR2) (H mode)
4.6.1. INFORMATION CONTAINED IN TROUBLESHOOTING TABLE
4.7. Troubleshooting of hydraulic and mechanical system (PC27MR2 PC30MR2) (H mode)
4.7.1. Information contained in troubleshooting table
4.8. Troubleshooting of monitor panel system (PC20MR2) (M mode)
4.8.1. Before starting Mmode troubleshooting
4.8.2. Information contained in troubleshooting table
4.9. Troubleshooting of monitor panel (PC2730MR2) system (Mmode)
4.9.1. Before starting Mmode troubleshooting
4.9.2. Information contained in troubleshooting table
4.10. TROUBLESHOOTING OF ENGINE (PC20MR2) (SMODE)
4.10.1. Troubleshooting of engine (smode)
4.11. TROUBLESHOOTING OF ENGINE (PC2730MR2) (SMODE)
4.11.1. Method of using troubleshooting charts
5. Disassembly and assembly
5.1. How to read this manual
5.2. Precautions when performing operation
5.3. Special tool list
5.4. Removal and installation of fuel injection pump assembly
5.5. Removal and installation of fuel injection pump assembly
5.6. Removal and installation of radiator and hydraulic oil cooler assembly
5.7. Removal and installation of radiator and hydraulic oil cooler assembly
5.8. Removal and installation of engine and hydraulic pump assembly
5.9. Removal and installation of engine and hydraulic pump assembly
5.10. Removal and installation of track shoe assembly
5.11. Disassembly and assembly of idler assembly
5.12. Disassembly and assembly of recoil spring assembly
5.13. Disassembly and assembly of carrier roller assembly
5.14. Disassembly and assembly of track roller assembly
5.15. Removal and installation of center swivel joint assembly
5.16. Removal and installation of center swivel joint assembly
5.17. Disassembly and assembly of center swivel joint assembly
5.18. Removal and installation of floor frame assembly
5.19. Removal and installation of floor frame assembly
5.20. Removal and installation of swing motor and swing machinery assembly
5.21. Removal and installation of swing motor and swing machinery assembly
5.22. Disassembly and assembly of swing motor and swing machinery assembly
5.23. Removal and installation of work equipment assembly
5.24. Removal and installation of revolving frame assembly
5.25. Removal and installation of revolving frame assembly
5.26. Removal and installation of swing circle assembly
5.27. Disassembly and assembly of control valve assembly
5.28. Disassembly and assembly of hydraulic cylinder assembly
5.29. Disassembly and assembly of hydraulic cylinder assembly
5.30. Removal and installation of air conditioner unit assembly
5.31. Removal and installation of front window assembly
5.32. Removal and installation of operators cab glass (stuck glass)
6. OTHERS
6.1. Hydraulic circuit diagram (PC20MR2)
6.2. Hydraulic circuit diagram (PC27MR2)
6.3. Hydraulic circuit diagram (PC30MR2)
6.4. Electrical circuit diagram (PC20MR2)
6.5. Electrical circuit diagram (PC2730MR2)

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