Section VII. VALVE COVER AND ROCKER ARM ASSEMBLIES
b. Clothing and Inspection. Clean and inspect all
The engine intake and exhaust valves Care located in
parts Replace gaskets and damaged parts.
the two cylinder heads. There are three intake and
three exhaust valves, rocker arms, and rocker arm
(1) Install the two valve covers and breather
adjusting screws located under each valve cover. The
on the engine in reverse of the
valve covers and breather must be removed to perform
rocker arm adjustment, or to check valve closing when
setting ignition timing.
97. Rocker Arms Adjustment
96. Valve Covers and Breather
a. Remove the valve covers and breather (para.
b. Adjust each of the 6 intake valve rocker arms
(2) Remove the two valve covers and
and the 6 exhaust valve rocker arms as
breather from the engine as instructed on
Figure 40. Overspeed governor, removal and installation
AGO 8157A 63