770 and 772 Off-Highway Trucks Power Train Differential and Bevel Gear - Install Caterpillar

Installation Procedure

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Illustration 1	g01413918

1. Install O-ring seal (4). Lightly coat O-ring seal (4) with lubricant that is being sealed before assembly.
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   Illustration 2	g01413939

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   Illustration 3	g01413883

2. Install Tooling (B) into differential arrangement (1), if Tooling (B ) was removed during the removal procedure.

3. Use a suitable lifting device in order to support the wheel assembly (2). The weight of wheel assembly (2) is approximately 1501 kg (3310 lb).

4. Use Tooling (A) and suitable blocking in order to support differential arrangement (1). The weight of differential arrangement (1) is approximately 830 kg (1830 lb).

5. Connect wheel assembly (2) onto differential arrangement (1) with the use of Tooling (B). Install bolts (3) and remove Tooling (B). Replace Tooling (B) with remaining bolts (3). Tighten bolts (3) to a torque of 900 ± 100 N·m (664 ± 74 lb ft).

6. Repeat Steps 1 through 5 for the other side.

End By:

1. Install the shafts. Refer to Disassembly and Assembly, "Axle Shafts - Install".

2. Install the rear axle housing and the differential. Refer to Disassembly and Assembly, "Rear Axle Housing and Differential - Install".