TM 9-2320-279-34-1
Transmission Maintenance Instructions (Cont)
7-17. FOURTH CLUTCH ASSEMBLY REMOVAL/REPAIR/INSTALLATION (CONT).
(9)
Remove fourth clutch piston (9) from fourth clutch housing (1).
(10)
Remove outer seal ring (11) from fourth clutch piston (9).
NOTE
There are two kinds of fourth clutch piston/fourth clutch housing assemblies.
Model A has a large seal ring on the piston and a medium seal ring in the
housing. Model B has a large seal ring and a small seal ring, both rings located on
piston. The Model B housing does not have a seal ring. If a Model A housing must
be replaced by a Model B housing, both the piston and seal rings must be
replaced.
(11)
Remove inner seal ring (12) from fourth clutch
housing (1) or fourth clutch piston (9).
c.
Cleaning/Inspection.
WARNING
Adhesives, solvents, and sealing compounds can burn easily,
can give off harmful vapors, and are harmful to skin and
clothing. To avoid injury or death, keep away from open fire
and use in well-ventilated area. If adhesive, solvent, or
sealing compound gets on skin or clothing, wash immediately
with soap and water.
(1)
Clean all metal parts with drycleaning solvent and inspect for damage. Replace damaged parts.
(2)
Replace all piston release springs if any three do not meet the following load-height
requirements:
(a)
Length without load: Must be at least 1.25 in. (31.8 mm).
(b)
Length under load: Must be at least 0.88 in. (22.4 mm) with load of 17.9 to 18.9 lb (79.6 to
84.1 N).
7-118
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