TM 5-2815-241-34&P
CYLINDER HEAD - CONTINUED
ACTION
LOCATION
ITEM
REMARKS
9. Cylinder head (1)
Valve seat
insert (3)
Using plastic-faced hammer, carefully tap
cylinder head around valve seat insert.
If valve seat insert bounces, tag
for replacement. See steps 26
thru 34.
10. Valve seat
insert (3)
Valve seat width (4)
Using steel machinist’s rule, measure
width.
If width (4) exceeds 0.125 inch
(3.18 mm) at any one point, and
cannot be narrowed to between 2/32
and 4/32-inch (1.66 to 3.18 mm)
during regrind, tag valve seat for
replacement. See steps 28 thru 34.
T A 2 4 2 4 5 4
2-181
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