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TM 10-3930-669-34
VISUAL INSPECTION
(1)
Inspect suspect cylinder head(s).
(a)
If leaks or cracks are found, go to Step (2)
below.
(b)
If leaks or cracks are not found, perform
Steps (2) and (3) below and go to Step 6 of
this Fault.
(2)
Remove cylinder head(s) (Para 3-5).
(3)
Inspect cylinder head(s) and gasket(s).
(a)
If cylinder head is cracked, replace cylinder
head(s).
(b)
If cylinder head gasket(s) is damaged,
replace gasket(s).
(c)
If cylinder heads and gaskets are not
cracked or damaged, cylinder heads and
gaskets are OK.
VISUAL INSPECTION
Measure piston crown clearance using a piece of
solder.
(a)
If clearance is not 0.0040 to 0.0048 in. (1.0
1.2
mm),
shim
cylinder(s)
to
correct
clearance (Para 3-7).
(b)
If clearance is 0.0040 to 0.048 in. (1 1.2
mm), piston crown clearance is OK.
2-17
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