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TM 10-4320-343-14
b.
Measure length of each cylinder head bolt (11).
c .
With piston positioned a little before TDC, perform following:
(1) Install intermediate ring (20) on block.
(2) Install cylinder head (13) on cylinder.
(3) Install washers (12) and cylinder head hits (11), then slightly tighten
cylinder head bolts.
d.
Using straight edge, align inlet and exhaust flanges of cylinder heads.
e.
Tighten head bolts in sequence, as shown in figure 6-1, through first stage
45° angle.
f .
Turn crankshaft through 360° in direction of engine rotation.
g.
Remove cylinder head (13), and measure the thickness of the resin core solder
at its smallest point.
h.
When thickness is not between 0.40 and 0.48 inches (1.0 and 1.2 mm), add shims
at bottom of cylinder (paragraph 6.6.2) and repeat adjustment.
When thickness
i s c o r r e c t,
install cylinder head (13) .
6.6.1.3 Installation.
a .
b .
c .
d .
e.
f .
g.
h.
i .
j .
k.
l .
m.
n.
o .
Install intermediate ring (20).
Install cylinder head (13),
four washers (12) and cylinder head bolts (11).
Tighten head bolts in sequence shown in figure 6-1 and torque in accordance
with appendix G.
Install new gaskets (9) and cover plugs (8), then torque plugs in accordance
with Appendix G.
Using spring tensioning tool, assemble and compress spring (17) on pushrod
cover tube (16) .
Install cap (18) with open side towards spring.
Install new washer (19), with wide end face toward end of pushrod cover
tube (16).
Install new washer (15), with wide end face toward upper shoulder on pushrod
cover tube (16) .
Insert spring end of pushrod cover tube (16) in crankcase hole.
P o s i t i on
upper end of pushrod cover tube (16) with cone in cylinder head (13) .
Slowly remove spring tensioning tool, while guiding upper end of pushrod cover
tube (16) into cylinder head (13).
Repeat steps e through j for the other tube assembly.
Check that upper and lower cover tube washers are properly seated.
Install pushrods (10) with cup ends up.
Install rocker arm assembly (7) and three nuts (6).
Adjust valve clearance, paragraph 4.10.23.
6-9
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