770 and 772 Off-Highway Trucks Power Train Final Drive - Assemble Caterpillar

Assembly Procedure

1. Verify that all of the components of the final drive are clean and free of foreign material prior to installation.

2. Inspect all components for wear and replace the components, if necessary.
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   Illustration 1	g00583329

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3. Install spacer (6) and bearings (5) and (7) to gear (8).

4. Position washers (4) and (9) to gear (8). Position gear (8) to planetary carrier (2).

5. Repeat Steps 3 and 4 for the two remaining gears.

6. Install retaining ring (10) on planetary shaft (1). Install planetary shaft (1) to planetary carrier (2).

   Note: Be sure that the notch on the top of planetary shaft (1) is facing toward the outside edge of planetary carrier (2).

7. Repeat Step 6 for the two remaining planetary shafts.

8. If taperlock studs (3) were removed, use Tooling (A) in order to install taperlock studs (3) to planetary carrier (2). Tighten taperlock studs (3) to a torque of 65 ± 10 N·m (48 ± 7 lb ft).

End By:

1. Install the final drive. Refer to Disassembly and Assembly, "Final Drive - Install".