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 TM 55-1905-220-14-6
3-165.2.
EXHAUST VALVE - MAINTENANCE INSTRUCTIONS (Continued).
LOCATION
ITEM
ACTION
REMARKS
INSPECTION (Cont)
c. If necessary, reface
the valves or install
new valves. If the
valve heads are warped,
replace the valves.
d. If there is evidence
of engine oil running
down the exhaust valve
stem into the exhaust
chamber, creating a
high oil consumption
condition because of
excessive idling and
resultant low engine
exhaust back pressures,
install valve guide oil
seals.
3-2781
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