Clutch Housing and Second Sprag Assemble

Reverse Clutch Housing and Second Sprag Assemble

Special Tools
* J 39694 - Spring Compressor
* J 39054 - Reverse Clutch Seal Protector

For equivalent regional tools, refer to Special Tools (Tools and Equipment).




1. Inspect the reverse clutch housing (500) for the following:

* Plugged feed holes
* Snap ring for overexpansion
* Outer surface for scoring or burning
* Reverse clutch housing checkball for damage, the checkball should move freely in the capsule.




2. Inspect the reverse clutch steel plates (511), the backing plate (512) and the waved plate (514) for scoring or burning.
3. Inspect the snap ring (510) for overexpansion.
4. Replace all of the fiber clutch plate assemblies (513).




5. Inspect the reverse clutch piston inner seal (506) and outer seal (507) for damage.
6. Inspect the checkball orifices on the reverse clutch piston assembly (505) for damage caused by peening. The checkball should move freely in the piston capsule.




7. Inspect the reverse clutch housing bushings (502, 503) for damage.




8. Inspect the spring and retainer assembly (508) for damaged or missing springs.




9. Inspect the second sprag (517) for flipped or damaged sprags. Inspect both of the second sprag races for damage.




10. Install new seals (506, 507) on the reverse piston (505).




11. Install the reverse clutch piston (505) into the reverse clutch housing. Install the J 39054 - seal protector in order to protect the inner seal. Make sure that the outer seal does not roll backwards. Apply a light coating of Transjel(TM) so that the seal will slide easily.




12. Install the spring and retainer assembly (508, 509) into the reverse clutch housing (500).




13. Use the J 39694 - spring compressor to compress the spring and install the snap ring (510). Remove the compressor tool.




14. Install the following parts:

1. The waved plate (514). Align the waved plate tangs with the inserts in the reverse clutch piston.
2. The two steel (511) and the two fiber (513) clutch plates, starting with steel and alternating with fiber
3. The apply plate (512) with the stepped side up
4. The snap ring (515)




15. Install the following parts:

1. The 2nd clutch outer race thrust washer (520)
2. The 2nd sprag clutch assembly (517) into the 2nd sprag outer race (516)
3. The 2nd sprag race and clutch assembly onto the reverse clutch housing (500)




16. Verify that the second sprag freewheels only in a clockwise direction.




17. Install the sprag clutch retainer (518).




18. Install the new spiral snap ring (519). Verify that the spiral snap ring tabs lock into place and that the snap ring is properly seated.