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 TM 55-1905-222-14
6-10
REPAIR RAMP WINCH (Continued).
CLEANING
CLEAN FINAL DRIVE ASSEMBLY,
PRIMARY DRIVE ASSEMBLY AND
WARNING
Dry cleaning solvent, P-D-680, used to clean parts, is potentially dangerous to personnel and property. Avoid repeated
or prolonged skin contact. Do not use near open flame or excessive heat. Flash point of solvent is 100 - 138F
(38 59 ).
-
C
a. Wash all parts in cleaning solvent P-D-680.
Dry thoroughly using compressed air or clean
cloths.
b. Allow bearings to air dry after cleaning in
solvent P-D-680. Do not dry with compressed
air.
INSPECTION
1. INSPECT FINAL DRIVE ASSEMBLY
a
Inspect and replace all 'O' rings.
b
Check snap rings (5 and 11) for flatness and
that they form a true circle, replace if bent or
damaged.
c. Check for wear at the center of the thrust plate
(8). The original thickness at the center of the
thrust plate is 1 363 inches, replace If wear is
greater than 3/32 inch.
d. Check the final planet assembly for defects.
Replace and send defective final planet
assembly to general support for repair.
e. Inspect the gear teeth in the final housing. If
wear is greater than 0015 inch when compared
to the unworn part of the teeth, replace final
housing.
6-44
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