Reaction Sun Gear Assemble

1. Inspect the reaction sun gear (646) for the following conditions:
- Cracks
- Splits
- Damaged Splines
- Worn gear or journal
- Plugged lubrication holes
2. Inspect the selective snap ring (644) for warping or damage. Replace the snap ring if the ring is damaged or if the end play measurement indicates that replacement is necessary.





3. Install the reaction sun gear (646) into the case.