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 TM 55-1905-220-14-7
3-171.2. CONNECTING ROD - MAINTENANCE INSTRUCTIONS (Cont).
LOCATION
ITEM
ACTION
REMARKS
5. Connecting Bushings
Check the connecting
Bushings that
rod
(9)
rod bushings for indi-
have overheated
bushings
cations of scoring,
may become
overheating, or other
loose and creep
damage.
together, thus
blocking off
the supply of
lubricating oil
to the piston
pin and spray
nozzle.
6. Piston
Pin (10)
Inspect the piston pin
a. Bushings
pin
for signs of fretting.
that have
overheated
may become
loose and
together,
thus block-
ing off the
supply of
lubricating
oil to the
piston pin
and spray
nozzle.
b. When reusing
a piston pin,
the highly
polished and
lapped sur-
face must
not be re-
finished.
Polishing
or refinish-
ing the pis-
ton is not
recommended.
It could re-
sult in very
rapid bush-
ing wear.
3-2903
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