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 TM 5-683/NAVFAC MO-116/AFJMAN 32-1083
KEEP BEARINGS CLEAN
RIGHT
WRONG
Bearing is opened
New
bearings
on a clean bench
should not be open-
and is not removed
ed and exposed to
from package until
dirt before they are
ready to be in-
ready to use.
stalled.
INSTALL BEARING PROPERLY
RIGHT
WRONG
Bearing should not
Bearing is proper
be forced on shaft
size for the shaft
by means of the
and is being tapped
rings. It
outer
into place by
should
not be
means of a metal
forced on a badly
tube that fits a-
worn shaft, or a
g a i n s t the inner
shaft that is too
ring.
large.
-
r-
D O NOT TRY TO CLEAN NEW BEARINGS `
RIGHT
WRONG
This new bearing
New bearing is re.
does not have to be
moved from con-
cleaned. The slush-
tainer and immedi-
ing oil on packed
installed.
ately
b e a r i n g s should
Packed bearings
not be removed.
are already cleaner
than you can make
them.
PROTECT OPERATING BEARINGS FROM DIRT
WRONG
Loose bearing cov-
RIGHT
ers permit dirt to
Protective covers
get into bearing,
are tight to pre-
causing excessive
v e n t dirt getting
wear and heating.
into bearing.
Figure 4-6. Bearing installation precautions.
4-12
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