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 TM 55-1905-221-14-3
6-12.
WINCH (Continued)
LOCATION/ITEM
ACTION
REMARKS
CLEANING (Cont)
b. When cleaning bearings, turn
them by hand only.
INSPECTION
8. Winch
a. Rotate ball and needle bear-
ings by hand to insure that
they turn freely and smoothly.
b. Inspect ball, needles, and
races for visible damage.
c.
Check that gear teeth are
smooth, are free from chips,
pits, cracks, or wear and
show normal tooth contact.
If any gear teeth are
damaged, check teeth of
mating gear thoroughly for
similar damage.
d. Check that gear shafts are
true and free from nicks,
grooves, and scoring. If
bearing surfaces are damaged,
shaft must be replaced.
e. Inspect driving and driven
plates for wear on teeth or
friction faces.
f.
Inspect piston seals and
sealing surfaces for nicks,
burrs, or minor scoring.
g. Insure that shaft keys fit
tight in corresponding key-
ways in both the shafts and
h. Inspect gear cases and covers
for cracks or breaks.
6-128
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