TM 9-2320-387-24-2
1
28-12.
FOURTH CLUTCH ASSEMBLY REPAIR
This task covers:
a. Disassembly
b. Cleaning
c. Inspection
d. Assembly
e. End Play Measurement
INITIAL SETUP:
Tools
General mechanic’s tool kit:
automotive (Appendix B, Item 1)
Special Tools
Seal protectors (Appendix B, Item 71)
Materials/Parts
Inner seal (Appendix G, Item 3901
Outer seal (Appendix G, Item 392)
Petrolatum (Appendix C, Item 52)
Manual References
TM 9-2320-387-24P
Equipment Condition
Transmission disassembled into subassemblies
(para. 28-3).
Maintenance Level
General support
Transmission fluid (Appendix C, Item 37)
NOTE
Work area should be well-ventilated, clean, and free from blowing dirt and dust.
a. Disassembly
1.
Remove snapring (l), backing plate (ll), four clutch plates (91, and clutch plate assemblies (10) from
clutch housing (4).
2.
Remove snapring (8) and spring and retainer assembly (7) from clutch housing (4).
3.
Remove piston (3) from clutch housing (4).
4.
Remove inner seal (2) from piston (3) and outer seal (6) from housing (4). Discard seals (2) and (6).
vb.Cleaningl
Clean all components in accordance with para. 2-14.
1 c. Inspection 1
1.
Inspect piston (31, backing plate (ll), and clutch housing (4) for cracks, breaks, and damaged seal
ring grooves. Replace any that are cracked, broken, or damaged.
2.
Inspect plug (5). If missing, replace clutch housing (4).
(d.Assemblyl
CAUTION
All transmission parts must be lubricated with clean transmission fluid
(Dexron@ III) before assembly. Foreign material will cause transmission
damage.
1.
Install inner seal (2) on piston (31, with lip facing toward spring and retainer assembly (7) side.
2.
Install outer seal (6) on housing (41, with lip facing away from spring and retainer assembly (7) side.
3.
Place inner seal protector J 38731-1 on clutch housing (4).
4.
Place outer seal protector J 38731-2 on piston (3).
,*
5.
Position piston (3) on base J 38731-3 with snapring groove of piston (3) up.
6.
Place housing (4) over piston (3) while holding inner seal protector in position.
28-46
