950 GC Wheel Loader Machine Systems Loader Frame from Rear Frame - Separate Caterpillar


Loader Frame from Rear Frame - Separate
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1.1. Separation Procedure

Separation Procedure

Table 1
Required Tools 
Tool  Part Number  Part Description  Qty 
425-0952  Wheel Chock 
439-3939  Link Bracket As 
283-1495  Stand 
8S-7611 Tube 
D(1)  9U-7536  Lift Stand 
447-0910 Electric Hydraulic Pump (115 V) 
447-0911 Electric Hydraulic Pump (230 V) 
D1  OR 
504-9791 Lift Gp (60Hz)(2) 
504-9793 Lift Gp (50Hz)(3) 
6V-3009  Crossbar 
8S-5133 Plug 
8S-6470 Screw 
439-5575  Hydraulic Jack 
(1) Use Tooling (D) or (D1) based on requirements.
(2) Operating-voltage (480V - 240V)
(3) Operating-voltage (400V - 200V)

------ WARNING! ------

Personal injury can result from hydraulic oil pressure and hot oil.

Hydraulic oil pressure can remain in the hydraulic system after the engine has been stopped. Serious injury can be caused if this pressure is not released before any service is done on the hydraulic system.

Make sure all of the work tools have been lowered to the ground, and the oil is cool before removing any components or lines. Remove the oil filler cap only when the engine is stopped, and the filler cap is cool enough to touch with your bare hand.

When you are using hydraulic cylinders and puller studs, always ensure that the rated capacity of the puller stud meets or exceeds the rated capacity of the hydraulic cylinder. If the puller stud does not meet or exceed the rated capacity of the hydraulic cylinder, a sudden failure of the puller stud could occur. The sudden failure of the puller stud could result in personal injury or death.


  1. Drain the hydraulic oil. Refer to Operation and Maintenance Manual, "Hydraulic System Oil - Change" for the correct draining procedures.


    Illustration 1g02726560
    Typical example.

  2. Block both of the rear wheels by using Tooling (A) to prevent movement of the rear loader frame.


    Illustration 2g03695755

  3. Remove center drive shaft (1).


    Illustration 3g03695761

  4. Remove bolt (2) and the washers. Remove pin assembly (3). Repeat this step for the opposite side.


    Illustration 4g03695763

  5. Disconnect hose assemblies (4).


    Illustration 5g03695771

  6. Disconnect hose assemblies (5).


    Illustration 6g03695773

  7. Disconnect hose assembly (6).

  8. Disconnect remaining pilot hose assemblies (7) at the main control valve. Remove bracket (8).


    Illustration 7g03695778


    Illustration 8g03695796

  9. Disconnect harness assemblies (9).

  10. Remove bracket (10) and (11). Relocate harness assembly (9).


    Illustration 9g03696440


    Illustration 10g03696451

  11. Attach Tooling (B) to pin retaining bolt (12). Attach a suitable lifting device to the loader frame. Repeat this step on the opposite side of the loader frame.

  12. Place Tooling (C) under front loader frame.


    Illustration 11g03696436
    For Tooling (D)


    Illustration 12g03696438

  13. Place Tooling (D) under back of the rear frame. Raise the rear frame to take tension off the pin assemblies.

  14. Place suitable cribbing under the front of rear frame.


    Illustration 13g06400346
    For Tooling (D1)


    Illustration 14g03696438

  15. Place Tooling (D1) under back of the rear frame. Raise the rear frame to take tension off the pin assemblies. Refer to Tool Operating Manual, NEHS1303, "Lift Group (Stand - 25 Ton)" for more information on Tooling (D1).

  16. Place suitable cribbing under the front of rear frame.


    Illustration 15g03696454

  17. Remove center bolts (13) from the upper hitch.


    Illustration 16g03696813


    Illustration 17g03696828

  18. Remove bolts (14) and cover (15).

  19. Remove shims (16) and (17).


    Illustration 18g03696852

  20. Remove plate (18).


    Illustration 19g03696831

  21. Use Tooling (E) to remove pin assembly (19) from the upper hitch.


    Illustration 20g03696932
    Typical example.

  22. Use Tooling (F) to remove pin assembly (20) from the lower hitch.


    Illustration 21g00283523


    Illustration 22g02726161

  23. Use a suitable lift truck and the suitable lifting device to separate the loader frame from the rear frame.


    Illustration 23g02726199

  24. Use Tooling (C) to stabilize the front loader frame after the separation of the main frames is complete.


    Illustration 24g03737102

  25. Mark the position of upper cap (21) and lower cap (25). Remove bolts (22), upper cap (21), and shims (23). Remove bearing cones (24) and the bearing cups. Remove lower cap (25) and spacer (28) from the upper hitch.


    Illustration 25g03698489

  26. Remove lip seal (26) from upper cap (21).

  27. Remove lip seal (27) from lower cap (25).


    Illustration 26g03737106

  28. Mark the position of upper cap (30) and lower cap (33) from the lower hitch. Remove bolts (31) and upper cap (30). Remove shims (32). Remove lower cap (33) from the lower hitch. Remove bearing (29)


    Illustration 27g03698534

  29. Remove lip seal (34) from upper cap (30).

  30. Remove lip seal (35) from lower cap (33).

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