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 TM 55-1905-221-14-3
6-27.3. CONNECTING ROD BEARINGS - MAINTENANCE INSTRUCTIONS (Continued).
LOCATION/ITEM
ACTION
REMARKS
REMOVAL (Cont)
INSPECTION
3. Bearing
a. Bearing failures may
Shells
result from deterioration
(acid formation) or
contamination of the oil
or loss of oil. An
analysis of the lubrica-
ting oil may be required
to determine if corrosive
acid and sulphur are
present which cause acid
etching, flaking and
pitting. Bearing seizure
may be due to low or no
oil.
(1)
Clean the upper and
lower bearing shells
and inspect them for
scoring, pitting,
flaking, chipping,
cracking, loss of
babbitt or signs of
overheating. If any
6-459
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