Service Manual

GOVERNOR SENSITIVITY
These engines are adapted for use where a wide range
of speed settings
is desired. Engine speed is controlled
between minimum and maximum by moving the throttle
lever until the desired speed is reached.
Check Governor arm, spring, linkage, and throttle shaft
for a binding condition or excessive wear at connecting
points.
A binding condition will cause the governor to
act slowly and regulation to be poor. Excessive wear will
cause a hunting condition and regulation to-be erratic.
Work the governor arm back and forth several times by
hand while the engine is idling to check for above
conditions.
The governor linkage should be set
up as follows
(Figure
7):
1. The governor spring should be placed in the second
hole from the end in the governor control arm. The
governor spring should be placed in the third hole
away from pivot in the governor arm. Moving spring
away from pivot will decrease sensitivity, moving
the spring closer will increase sensitivity
2. The governor control rod should be placed in the
middle hole of the governor arm.
If adjustments were made, recheck the carburetor rpm
settings. Adjust
if necessary.
FS-1791
FIGURE 7. GOVERNOR LINKAGE
7-6