39. Driven Sprocket Support Assemble

- Tools Required
- J 39694 Spring Compressor





1. Inspect the driven sprocket support (418) for the following:
- Hub nicks, burrs, or damage
- Plugged feed holes
- Worn or damaged splines
- Bushings for nicks, scratches, or wear
- The checkball for movement in the driven sprocket
- The seal ring grooves for damage





2. Inspect the following parts for damage:
- The third clutch exhaust valve (427)
- The exhaust valve spring (425)
- The exhaust valve cup plug (426)
- The oil transfer sleeve (419)





3. Inspect the two sealing rings (423) and the two oil rings (422). Replace any damaged rings. Inspect the scavenge tube seal (53). If the seal is damaged, replace the seal.





4. Inspect the second clutch piston and seal assembly (430). Replace any damaged part. Inspect the second clutch spring and retainer assembly (428) for damage.
5. Install the second clutch piston (430). Twist and push the piston simultaneously, do not roll the seals. Use a light coating of Transjel.





6. Use the J 39694 second clutch spring compressor to compress the spring and retainer assembly (428). Then install the snap ring (429).





7. Install the following parts:
- The third clutch exhaust valve (427)
- The third clutch exhaust valve spring (425)
- The third clutch exhaust valve cup plug (426)
- The spring pin (424)





8. Air check the second clutch piston by applying air through the driven sprocket support (418).





9. Install the driven sprocket support (418-427) over the input shaft. When seated, the support will be flush with the case line surface.