854G Wheel Dozer Machine Systems Caterpillar

Removal Procedure

Start By:

1. Remove the lift cylinder. Refer to Disassembly and Assembly, "Lift Cylinder - Remove".

Show/hide table

Illustration 1	g00401752

1. Secure Tooling (A) to yoke (2). Attach a hoist and suitable lifting chains to Tooling (A), as shown.

2. Remove the cover and the gasket from pin (1). Install Tooling (B) in the threaded hole of pin (1). Remove pin (1).
   Show/hide table

   Illustration 2	g00401753

3. Use the hoist to remove yoke (2). The weight of the yoke is 143 kg (315 lb).
   Show/hide table

   Illustration 3	g00401757

4. Remove lip seal (3) from the front frame.

5. If necessary, remove bearings (4) and (5). Refer to the following steps for the removal procedure:

   1. Use 3.0 mm (.125 inch) low hydrogen welding rods. Weld a continuous bead completely around the inside diameter of the bearing.

   2. Allow the bearing to cool.

   3. Remove the bearing.

Installation Procedure

Show/hide table

Illustration 4	g00401757

1. Lower the temperature of bearings (4) and (5).

2. Use insulated gloves to install bearings (4) and (5) in the front frame. Install the bearings so that the grooves are within 15 degrees of horizontal.

3. Install lip seal (3) in the front frame. Make sure that the sealing lip is facing outward.

4. Pack the bearings. Lubricate the lip seal with 5P-0960 Molybdenum Grease.
   Show/hide table

   Illustration 5	g00401753

5. Install Tooling (A), a hoist and suitable lifting chains on yoke (2). Install yoke (2). The weight of the yoke is 143 kg (315 lb).

6. Install pin (1). Remove Tooling (A) and Tooling (B). Install the gasket and the cover on pin (1).

End By:

1. Install the lift cylinder. Refer to Disassembly and Assembly, "Lift Cylinder - Remove".