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 TM 55-1905-221-14-2
5-15. CYLINDER HEAD (Continued).
LOCATION/ITEM
ACTION
REMARKS
REPAIR/REPLACEMENT (Cont)l
WARNING
Wear protective eye goggles when using compressed air.
r.
After the grinding has been
completed, clean the valve
seat insert thoroughly with
fuel oil and blow it dry with
compressed air. Set the dial
indicator J8165-2 in position
and rotate it to determine the
concentricity of each valve
seat insert relative to the
valve guide. Total runout
should not exceed .002 inch
(0.005 cm). If a runout of
more than .002 inch (0.005 cm)
is indicated, check for a bent
valve guide before regrinding
the insert.
5-371
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