TM-5-4310-389-14
o.
Install the back-up washer with the domed side facing towards the spring. Install a new sealing ring with the flat
side facing towards the end of the push rod tube (figure 4-32, left).
p.
At the opposite end of the tube, install a new sealing ring with the flat side facing towards the shoulder (figure 4-
32, right).
q.
Insert the spring ends of the two push rod tubes in the push rod holes in the crankcase and locate the upper ends
with gaskets in the cones of the cylinder head. Remove the spring tensioner (figure 4-33).
r.
Install the push rods.
s.
Install the rocker arm and shaft support (figure 4-34).
t.
Adjust the valve clearance (refer to 3-23).
u.
Apply jointing compound to a new gasket and position on the rocker arm cover. Mount the rocker arm cover,
align, and secure with a screw fitted with a new gasket. For tightening instructions, see specification data in table F-1.
v.
If the cylinder head of the final cylinder was dismantled, assemble the screw in the front vertical plate.
. Install the exhaust air plate.
x.
Position the upper cover plate on the cylinder heads (figure 4-35).
y.
Place the rear vertical plate in position.
z.
Secure upper cover plate and rear vertical plate (figure 4-36).
Figure 4-32. Fitting Seal Rings to
Figure 4-33. Removing Spring Tensioner
Push Rod Tube
4-60