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 TM 10-3930-638-24&P
4-4.
TRANSMISSION
MAINTENANCE
(cont)
h. Third Clutch Assembly (cont).
REMARKS
ACTION
ITEM
LOCATION
STEP
CLEANING (cont)
Use cleaning solvent P-D-680. Immerse
Third clutch shaft
Clean
17
front bearing (4)
bearing in cleaning solvent and move
slowly up and down. Remove bearing.
Strike larger side of cone against block of
wood to dislodge solidified particles of
lubricant. Immerse again in cleaning
fluid. Repeat this process until bearings
are thoroughly clean. Dry with moisture-
free compressed air. Direct air stream
across bearing. Do not spin bearings
when drying. Rotate bearings slowly by
hand to facilitate drying
Use cleaning solvent P-D-680. Immerse
All other parts
Clean
18
parts in cleaning solvent and move slowly
up and down until parts are thoroughly
cleaned. Dry parts thoroughly using corn-
pressed air or clean cloths
INSPECTION
Inspect teeth for wear, pits, cracks, nicks
Inspect
19
Third clutch shaft
and scores. Inspect shaft and quills to
drum and plug
assembly (15)
make certain they are not sprung, bent
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 part
Inner clutch discs
Replace disc if worn, cracked, damaged or
Inspect
20
(7), outer clutch
broken
discs (8)
Replace if cracked, worn, distorted, broken
Piston return
Inspect
or permanently set
spring (11)
Inspect rollers and cages for wear, chips,
22
Third clutch shaft
Inspect
nicks and damage. If any of these condi-
bearing (4)
tions are observed, replace bearing. Dip
bearing in clean light oil and wrap in
clean lintless cloth or paper
Inspect for damage, wear, cracks and dis-
23
Inspect
All other parts
tortion. If any of these conditions are
observed, replace part
4-219
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