Underdrive Compounder Assembly - Disassembly

DISASSEMBLY

Special Tools:











1. Remove the planetary gear set / output hub (1).





2. Remove the helical shim (1).










3. Remove the snap ring (4) holding the planetary carrier.

4. Remove the planetary carrier (5).

5. Remove the snap ring (6) holding the annulus gear.

6. Remove the needle bearing (7) on the front side of the annulus gear.

7. Remove the annulus gear (8).

8. Remove the needle bearing (9) on the back side of the annulus gear / on the front side of the output hub.

9. Inspect the needle bearing in the output hub for any damage.





10. Using two small picks, remove retaining clip from transfer / underdrive shaft





NOTE:
A new retaining clip will be used during assembly.

11. Discard the retaining clip (that was removed from the transfer / underdrive shaft.

12. Remove the sun gear (2) from the shaft.





13. Remove the split bearing (1) using a small pick (2).





14. Remove the direct clutch (1) from the low clutch.










15. Remove the internal snap ring (1).

16. Remove the selectable reaction plate (12).

17. Remove the number one thrust bearing (11).

18. Remove the hub (10).

19. Remove the number two thrust bearing (9).

20. Remove the inner and outer spline frictions (2, 3).





21. Install Compressor (8250) (2) over the direct clutch balance piston (3) and place onto a press (1).

22. Compress spring to remove the snap ring (4) at the direct clutch balance piston.










23. Remove the direct clutch balance piston (8).

24. Remove the return coil spring (5).

25. Remove the direct clutch piston (7) from the retainer (6).





26. Remove the needle bearing (1) from the transfer shaft.





27. Remove the overrunning clutch from the low clutch (1).





28. Remove the Bearing Retainer Assembly Remover (9908) (1) from the low clutch (2).





29. Remove the transfer shaft (1) from the low clutch (2).





30. Using Bearing Splitter (1130) (2) and a press (3) remove the underdrive compounder bearing.










31. Remove the snap ring (10).

32. Remove the reaction plate (3)

33. Remove the friction disc's (4) and the separator plates (5).





34. Install compressor (9725) (1) on return spring (3) and slightly compress.

35. Remove the snap ring (4) from low clutch retainer (2).





36. Release pressure on press, remove compressor (9725) and the return spring (1).





37. Remove the low clutch piston (1) from low clutch retainer. Low air pressure may be applied to low clutch retainer port (3) to move piston out of the bore.





38. Remove the seal rings (1) from the low clutch retainer (2).