TM 5-1940-277-34
ENGINE BLOCK INSPECTION AND REPLACEMENT INSTRUCTIONS
(Continued)
LOCATION
ITEM
ACTION
REMARKS
*
Place block
Use hoist to
in immersion
lift.
tank of
water, heated
to 180 - 212 F
for 20 minutes.
WARNING
Always use safety goggles when using dry compressed air. High air pressure can cause injury
and cut the skin.
• After 20
Use air compres-
minute immer-
sor.
sion period
apply 80 -
100 psi air
pressure to
block.
• Check for air
bubbles
leaking from
cylinder
block (indi-
cation of
cracks in
block).
• Release air
pressure and
remove block
from immer-
sion tank.
• Remove cover
over water
pump hole (3)
and 1/2 in steel
plate and gas-
ket (2) on top
of block.
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