Section III. ENGINE SPEED GOVERNOR
lever and shaft assembly which is connected to the
carburetor throttle control through a direct linkage. The
105. Description and Function
throttle plate is closed by this action, slowing the engine
The governor is an engine-lubricated, centrifugal,
to governed speed. As the engine slows, less pressure
variable speed, flyball type that controls speed by
is exerted by the balls, and the race assembly moves
adjusting the amount of travel of the control rod to the
inward. This movement is transferred through the
carburetor. The governor shaft gear is driven by the
linkage to the carburetor throttle control to increase fuel
camshaft timing gear. As the camshaft timing gear
flow to the engine and increase engine speed. Engine
rotates, the drive assembly balls are pressed against the
speed is regulated in this manner.
outer slant of the race assembly to push the race
upward. The race assembly in turn presses against the
Figure 47. Governor, exploded view.
TAGO 6358-A
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