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TM 9-2320-360-34-1
(4)
Position cylinder head (1) upside-down on
wooden blocks.
(5)
Align straightedge along lines 1, 2, 3, 4,
and 5 on cylinder head (1). Measure for
warp with feeler gage (2) at points where
lines 6, 7, 8, 9, 10, and 11 intersect
straightedge.
(6)
If warp measurement exceeds 0.004 in.
(0.1 mm), cylinder head (1) must be
replaced.
(7)
Align straightedge along lines 6, 7, 8, 9,
10, and 11 on cylinder head (1). Measure
at points where lines 1, 2, 3, 4, and 5
intersect straightedge
(8)
If warp measurement exceeds 0.008 in.
(02 mm), cylinder head (1) must be
replaced.
WARNING
Dry cleaning solvent P-D-680 is toxic and flammable. Wear protective goggles and
gloves and use only in a well-ventilated area. Avoid contact with skin, eyes, and
clothes, and don't breathe vapors. DO NOT use near open flame or excessive heat.
The flash point is 100-138° F (38-59° C). If you become dizzy while using cleaning
solvent, get fresh air immediately and medical aid. If contact with eyes is made,
wash your eyes with water and get medical aid immediately.
(9)
Clean cylinder block head gasket surface
(3) with dry cleaning solvent
WARNING
Compressed
air
for
cleaning
purposes will not exceed 30 psi (207
kPa). Use only with effective chip
guarding and personal protective
equipment (goggles/shield, gloves,
etc.).
(10)
Dry cylinder block head gasket surface (3)
with compressed air.
(11)
Inspect piston crowns (4) to be sure they
are clean and free of foreign material.
(12)
Inspect
head
gasket
surface
(3),
counterbores (5), and seal grooves (6) to
be sure they are clean and free of foreign
material.
(13)
Inspect counterbores (5) for burrs or sharp
edges.
(14)
Inspect screw holes (7) for accumulation
of water or foreign material.
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