Description

Komatsu PC1250-8R PC1250SP-8R Hydraulic Excavator Field Assembly Manual (GEN00118-01)

Komatsu PC1250-8R PC1250SP-8R Hydraulic Excavator Index:

Specifications………………………………………………………………………………………………………. 1
Precautions for Field Assembly ……………………………………………………………………………… 2
Assembling Procedures, Applicable Equipment and Schedule …………………………………… 3
Kit Layout Diagram ………………………………………………………………………………………………. 4
Transportation……………………………………………………………………………………………………… 5
List of Tools for Field Assembling…………………………………………………………………………… 13
Tightening Torque………………………………………………………………………………………………… 14
Coating Materials…………………………………………………………………………………………………. 19
List of parts sent individually………………………………………………………………………………….. 21
A. Assembly of Chassis ………………………………………………………………………………………… 27
A- 1. Installation of Left and Right Track Frames ………………………………………………….. 28
A- 2. Installation of Travel Piping………………………………………………………………………… 31
A- 3. Installation of Travel Piping Covers …………………………………………………………….. 33
A- 4. Installation of Steps ………………………………………………………………………………….. 35
A- 5. Filling Swing Circle with Grease …………………………………………………………………. 36
A- 6. Assembly of Upper Structure and Undercarriage ………………………………………….. 37
A- 7. Installation of Right Side Steps…………………………………………………………………… 39
A- 8. Installation of Handrails …………………………………………………………………………….. 40
A- 9. Installation of Swivel Travel Piping ……………………………………………………………… 41
A-10. Installation of Cover board (To the Counterweight)……………………………………….. 42
A-11. Installation of Counterweight ……………………………………………………………………… 43
A-12. Installation of Counterweight Wiring
(Connection of HID light wiring on counterweight) ………………………………………… 44
A-13. Installation of Left Side Steps (Including handrails)……………………………………….. 45
A-14. Installation of Radiator Cover …………………………………………………………………….. 49
A-15. Installation of Muffler Tail Pipe …………………………………………………………………… 53
A-16. Changing of Mounting Position of Step Light ……………………………………………….. 54
A-17. Installation of Handrail to the Cab ………………………………………………………………. 55
A-18. Installation of Left Rearview Mirror ……………………………………………………………… 56
A-19. Installation of Right Rearview Mirrors………………………………………………………….. 58
A-20. Preparation for Bleeding Air from Travel Motor …………………………………………….. 60
A-21. Procedure for Bleeding Air From Hydraulic Circuit………………………………………… 61
A-22. Permanent Tightening of Swing Circle Mounting Bolts ………………………………….. 62
A-23. Testing Track Shoe Tension………………………………………………………………………. 63
A-24. Check Fuel, Coolant and Oil Levels ……………………………………………………………. 66
A-25. Parts to be Touched up after Field Assembly……………………………………………….. 68
B. Assembling of Work Equipment of Backhoe ………………………………………………………… 69
B- 1. Installation of Arm Cylinder………………………………………………………………………… 70
B- 2. Installation of Arm Cylinder Hoses………………………………………………………………. 71
B- 3. Installation of Boom Cylinder Foot………………………………………………………………. 72
B- 4. Installation of Boom Cylinder Hoses……………………………………………………………. 73
B- 5. Installation of Boom Foot Dust Seal ……………………………………………………………. 74
B- 6. Installation of Boom Assembly……………………………………………………………………. 75
B- 7. Installation of Boom Cylinder ……………………………………………………………………… 76
B- 8. Installation of Boom Hoses (Between machine and boom) …………………………….. 77
B- 9. Installation of Arm Assembly ……………………………………………………………………… 78
B-10. Installation of Bucket Cylinder Hoses between Boom and Bucket Cylinder………. 80
B-11. Installation of Bucket Assembly………………………………………………………………….. 81
B-12. Clearance Standard for Installation of Work Equipment…………………………………. 84
B-13. Installation of Work Equipment Grease Piping ……………………………………………… 85
B-14. Procedure for Bleeding Air From Travel Motor……………………………………………… 86
B-15. Bleeding Air from Swing Motor …………………………………………………………………… 88
B-16. Bleeding Air from Cylinder…………………………………………………………………………. 89
B-17. Installation of Work Equipment Wiring…………………………………………………………. 90
B-18. Greasing after Assembling Work Equipment………………………………………………… 91

Komatsu

Komatsu PC1250-8R PC1250SP-8R Hydraulic Excavator Field Assembly Manual (GEN00118-01)