TM 55-1905-220-14-4
3-34. CYLINDER HEAD-MAINTENANCE INSTRUCTIONS (Cont.).
LOCATION
ITEM
ACTION
REMARKS
PRE-INSTALLATION INSPECTION (Cont)
4. Check the cylinder
block and cylinder
head gasket surfaces,
counterbores and seal
grooves to be sure
they are clean and
free of foreign mater-
ial. Also check to
ensure that there .
are no burrs or sharp
edges in the counter-
bores.
5. Inspect the cylinder
head bolt holes in the
block for accumulation
of water, oil or any
foreign material.
Clean the bolt holes
thoroughly and check
for damaged threads.
NOTE
The 3/4" (1.,905 cm) diameter cup pipe plug at the front end of
the head must be removed prior to in- stallation to prevent
blocking the coolant flow out of the head.
3-753