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TM 5-4210-220-34
3-7.
TRANSMISSION-Continued
(12)
Before installing the seal ring, the end clearance must be checked to ensure that the seal ring has not
been expanded.
(13)
Remove the seal ring from its sealed package. Place it in its operational position Inside the bore that it will
be sealing.
(14)
Using a feeler gage, check the end clearance of the seal ring. The end clearance must not be less than
0.010 in. (0.25 mm).
(15)
If the end clearance is less than 0.10 in. (0.25 mm), bake the seal ring in an oven at 200-300 deg. F (93-
149 deg. C) for 24 hours or get a new seal ring. Recheck end clearance.
(16)
Pack the seal ring and its groove with a liberal amount of petroleum jelly (item 21, Appendix B).
(17)
Roll up the seal ring to about half its free diameter and hold it that way for about 10 seconds. Being
careful not to spread the seal ring more than necessary, slide it onto the hub. Place one end of the
seal ring into the groove and gradually
work the seal into the groove.
(18)
Attach lifting bracket J24195 and install
the center support assembly. Aline the
tapped hole in the support to the hole in
the transmission housing.
(19)
Install the special 3/8-16 X 3 in. bolt and
plain washer, fingertight. Remove the
lifting bracket.
NOTE
It may be necessary to compress the center
support to install the selective snap ring.
(20)
Install the selective snap ring that retains
the center support. Be sure the gap of
the snap ring is at the top of the
transmission housing.
am.
Installation Third And Fourth Clutch
(1)
When installing the third clutch plates,
the external-tanged clutch plates must
have a definite tang-to-slot relation. The
tangs must be installed into the shorter,
narrower slots.
(2)
Install ten third-clutch plates, beginning
with a thick external-tanged plate and
alternately installing five external-tanged
plates and five internal-splined plates.
3-76
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