[clinebarger]

Time for part inspection & Parts ordering. We will start from the bottom & work to the top.

Reaction (Rear) Planetary assembly is a high wear item.

1.Inspect the reaction carrier/support thrust bearing assembly (683) for damage.
2.Inspect the reaction gear support to case bearing (692) for damage.


3.Inspect the internal reaction gear (684) and the internal reaction gear support (685) for proper assembly, stripped splines, cracks, teeth, and lug damage.


4.Check the reaction carrier pinion end play. The end play must not exceed 0.61 mm (0.024 inch). Inspect the reaction carrier for the following conditions:
•Pinion gear damage
•Proper pinion staking
•Excessive pinion washer wear
•Keystoned pinion gears
5.Ensure that the pinions turn freely.


6.Inspect the reaction carrier captive thrust bearing for wear or damage.

6.1. Without touching the pinion gears, place a bushing or an output shaft sleeve (690) onto the bearing race, and turn it with the palm of your hand.
6.2. Any imperfections will be felt through the bushing.