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 TM 55-1905-221-14-4
6-29. CYLINDER BLOCK - MAINTENANCE INSTRUCTIONS (Continued).
LOCATION/ITEM
ACTION
REMARKS
CLEANING (Cont)
CAUTION
Excessive torque applied to the core hole plugs may result in cracks in the water
jacket.
d. If for any reason the cup
plugs in the water jackets
were removed, install new
plugs as follows:
(1) Clean the cup plug holes
and apply Permatex No. 1
sealant, or equivalent,
to the outer diameter of
the plugs.
(2) Drive the plugs in place
with the handle and
adapter.
PRESSURE TEST
6.
WARNING
Wear protective eye goggles when using compressed air.
After the cylinder block has
been cleaned, it must be
pressure tested for cracks or
leaks by either one of two
methods.
a. This method may be used when
a large enough water tank is
available and the cylinder
block is completely stripped
of all parts.
6-522
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