New Holland CX720 Repair Manual page 2640

Clutch Unload clutch - Assemble (C.50.B.46.20 - F.10.A.20)
1. Install the inner O ring (1) into the groove of the pis-
ton.
2. Compress the slide ring to give it a kidney shape
without producing any sharp kinks (1).
Insert the slide ring into the lower part of the groove
and press it into the groove in an outward direction
(2).
Install the outer O ring into the groove of the piston.
3. Heat the outer slide ring to about 80 °C (170 °F) in
an oil or water bath.
Expand the outer slide ring by pushing it over the
guide chamfer on the piston and let is snap into the
groove. As the expanded slide ring cools down to
room temperature, it reassumes its original shape.
POWER TRAIN - PROCESS DRIVE Primary process drive
2 4/7/2006
C.50.B / 76
1
10004303
2
10004302
3
10004305