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TM 10-4320-311-14
Figure 6-3. Valve Recess
Figure 6-4. Spring Inclination
REPAIR:
a.
Replace any components that do not meet inspection criteria.
b.
Remove slight scratches or scuff marks with crocus cloth.
INSTALLATION:
a.
Refer to Figure 6-2. Insert new valve stem seals (12) onto valve guide.
b.
Insert valves (10 and 11) into cylinder head.
c.
Install valve spring washer (9).
d.
Install valve springs (6).
e.
Compress valve spring (6) and install retainer (8) and re tainer keeper (7).
NOTE
Rocker arm with flat head is for the exhaust valve only.
f.
Refer to Figure 6-1. Place new cylinder head gasket (6) and push rod O-ring (5) onto cylinder block.
g.
Install cylinder head (4) onto four studs protruding from cylinder block.
h.
Position push rods into cylinder block in the cam followers.
i.
Secure cylinder head to cylinder block using two cap nuts (3) and washers (2)
j.
Tighten nuts using torque wrench to 20-23 ft-lb (280-320 kg-cm).
k.
Refer to Figure 6-2 Insta ll valve stem caps (5)
l.
Install rocker arm support (2) with intake and exhaust valve rocker arms attached
m.
Tighten rocker arm support bolt (1) with torque wrench to 14-16 ft-lb (200-220 kg-cm)
n.
Adjust valve clearance per ADJUSTMENT procedure In paragraph 4-31.
6-7
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