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 TM 10-3930-638-24&P
4-4. TRANSMISSION MAINTENANCE (cont)
i. Forward Clutch Assembly (cont).
REMARKS
ACTION
ITEM
LOCATION
STEP
LEANING (cont)
Use cleaning solvent P-D-680. Immerse
Clean
All parts
14
parts in cleaning solvent and move slowly
up and down until parts are thoroughly
cleaned. Dry parts thoroughly using com-
pressed air or clean cloths
INSPECTION
Inspect teeth for wear, pits, cracks, nick
Inspect
Forward shaft drum
15
and scores. Inspect shaft and quills to
and plug assembly
make certain they are not sprung, bent
(12)
or have twisted splines and that shafts
are true. Inspect overall for wear, cracks,
distortion and damage. If any of these
conditions are observed, replace forward
shaft drum and plug assembly
Replace disc if worn, cracked, damaged
Inspect
Inner clutch discs
16
or broken
(4), outer clutch
discs (5)
Replace if cracked, worn, distorted, broken
Inspect
Piston return
17
or permanently set
springs (8)
Inspect for wear, cracks, distortion and
Inspect
All other parts
18
damage. If any of these conditions are
observed, replace part
REASSEMBLY
Lubricate oil seal with OE10 (refer to
Install and
a. Outer clutch
Clutch piston
19
current lubrication order). To size
size
piston seal (10)
(9)
seal, rotate clutch piston while
holding a round object against new
seal as shown. Rotate clutch piston
until seal is flush with outer
diameter of clutch piston
Change 1
4-225
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