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 TM 55-1905-219-14-7
3-171.2. CONNECTING ROD - MAINTENANCE INSTRUCTIONS (Continued).
LOCATION
ITEM
ACTION
REMARKS
INSPECTION (Cont)
Bushings that
5. Connecting
Bushings
Check the connecting
have overheated
rod
(9)
rod bushings for indi-
may become
bushings
cations of scoring,
loose and creep
overheating, or other
together, thus
damage.
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 pi n
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.
3-2939
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