TM 5-4310-276-14
Section
V.
CYLINDER
HEAD
ASSEMBLY
6-10. General
valve clearance adjustment screws are located in
the upper portion of the cylinder head. The cylinder
The cylinder head forms the upper section of the
heads of the three models are interchangeable and
combustion chamber. It has tapped holes in the
the valve clearance adjustment is also the same.
combustion chamber into which the spark plug is
screwed. To retain compression in the cylinder, a
metal or metal-abestos cylinder-head gasket is
6-11. Rocker Arms, Cylinder Head,
placed between the head and block. The cylinder
P u s h r o d s and Pushrod Housing,
head also contains and supports the valves, valve
V a l v e s and Valve Springs
rocker arms and rocker shaft. The rocker arms are
a. Removal.
protected by individual covers, which house the air
(1) Remove five screws and remove the cylin-
relief valves. The covers are removed for the pur-
der head covers (fig. 6-11).
pose of adjusting for proper valve clearance. The
