740 GC, 740 Ejector, 745 Articulated Truck Power Train Spindle, Service Brake, and Wheel - Remove and Install Caterpillar

Removal Procedure

Start By:

1. Remove the tire.

2. Remove the axle shaft.

1. If removing the front Spindle, Service Brake, and Wheel. Remove the front fender.
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   Illustration 1	g03863945

2. Remove guard assemblies (1).
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   Illustration 2	g03863949

3. Disconnect tube assemblies (2) and remove the clamps connecting tube assemblies (2) to the rear axle support.

4. Disconnect harness (3) and remove the harness assembly from the spindle, service brake, and wheel.
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   Illustration 3	g03864108

   Note: Make orientation marks on the spindle, service, and wheel and axle for assembly purposes.

5. Attach Tooling (A) and Tooling (B) and a suitable lifting device to spindle, service brake, and wheel (5). The weight of spindle, service brake, and wheel (5) is approximately 565 kg (1245 lb).

6. Mark the orientation of brackets (6).

7. Remove bolts (4) and the washers. Remove brackets (6).

8. Remove spindle, service brake, and wheel (5).
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   Illustration 4	g03864539

9. Remove O-ring seal (7).

Installation Procedure

1. Install spindle, service brake, and wheel (5) in the reverse order of removal.

2. Tighten bolts (4) to a torque of 520 ± 70 N·m (384 ± 52 lb ft).