Valve Tappets

TM 5-4320-237-15

Figure 31. Valve tappet cover, removal and

installation

Figure 30. Cylinder head removal and installation.

(3) Inspect the cylinder head for cracks,

warping, broken cooling fins, spark

plug Port threads, and other dam-

age. Straighten bent cooling fins.

Replace a damaged cylinder head.

(4) If any damage is noted which in-

volves the valves, valve seats, cylin-

der block, and other engine parts, re-

port the damage to direct support

maintenance.

c. Installation.

(1) Refer to figure 30 and install the cyl-

inder head using a new gasket

(2) Install the fuel tank and bracket

(3) Install the engine shroud (para 59).

Figure 32. Checking valve tappet clearance.

(4) Install the spark plug (para 56).

66. Valve Tappets

(5) After installation of fuel tank brack-

et and shroud, torque all cylinder

a. Valve Tappet Cover Removal, Refer to

head mounting bolts, following the

figure 31 and remove the valve tappet cover

sequence shown in figure 30.

and gasket.