950 GC Wheel Loader Power Train Trunnion Support (Oscillating Axle, Front) - Remove and Install Caterpillar


Trunnion Support (Oscillating Axle, Front) - Remove and Install
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1.1. Removal Procedure
2.1. Installation Procedure

Removal Procedure

Table 1
Required Tools 
Tool  Part Number  Part Description  Qty 
6V-2086  Installer 
9S-8874 Locator 
5P-0960  Grease Cartridge 

Start By:

  1. Remove the oscillating axle.


    Illustration 1g03718935

  1. Place the oscillating axle on suitable blocking, as shown.

  2. Remove yoke (1) from the differential pinion shaft.


    Illustration 2g03718954

  3. Fasten a suitable lifting device to front trunnion support (2). Remove front trunnion support (2) from the oscillating axle. The weight of front trunnion support (2) is approximately 43 kg (95 lb).


    Illustration 3g00292632

  4. Remove lip seal (3) from the front trunnion support. Repeat this step for the lip seal on the opposite side of the front trunnion support.

  5. Remove retaining ring (4) that holds sleeve bearing (5) in the front trunnion support.

  6. Use a suitable press and Tooling (A) to remove sleeve bearing (5) from the front trunnion support.

Installation Procedure



    Illustration 4g00292633
    (3) Lip Seal. (4) Retaining Ring. (5) Sleeve Bearing.


    Illustration 5g03719356

  1. Use a suitable press and Tooling (A) to install sleeve bearing (5) in front trunnion support (2). Make sure that the sleeve bearing contacts the counterbore in front trunnion support (2).


    Illustration 6g03719387

  2. Use a suitable press and Tooling (A) to install lip seal (3) in both sides of the front trunnion support. Make sure that lip seal (3) contact the counterbores in the front trunnion support.

    Note: Each lip seal must be installed so that the sealing lip is facing toward the outside of the front trunnion support, as shown.

  3. Install retaining ring (4) that holds sleeve bearing (5) in front trunnion support (2).

  4. Apply Tooling (B) on the sealing lips of the lip seals.


    Illustration 7g03719003

  5. Fasten a suitable lifting device to front trunnion support (2). Install front trunnion support (2) on the oscillating axle. The weight of front trunnion support (2) is approximately 43 kg (95 lb).


    Illustration 8g03719010

  6. Install yoke (1) on the differential pinion shaft.

End By:

  1. Install the oscillating axle.

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