Tools Required

1. Remove the snap ring from the clutch drum.



2. Remove the following components:

•	The flange (9)

•	The discs (8)

•	The plates (7)




3. Use a J 25018-A and J 23327 in order to compress the piston return springs.



4. Remove the snap ring (6), exposing the retainer spring (5).



5. Remove the following components:

•	The retainer spring

•	The 18 springs




6. Remove the piston by applying compressed air into the oil passage.

If the piston does not come out, use needle-nose pliers in order to remove the piston.




7. Inspect the clutch piston:

7.1.	Shake the piston in order to determine if the check ball is free.

7.2.	Apply low-pressure compressed air in order to determine if the valve leaks.




8. Remove the O-rings (4) from the piston (3).
9. Replace the oil seal rings (1) using the following procedure:

9.1.	Slide the rings over the top of the shaft drum (2).

9.2.	Install the rings into the groove.

9.3.	Do not spread the ring ends.