ADJUSTMENTS
Speed Adjustment:
To
change the governor speed,
change the spring tension by turning the governor
spring nut (Figure
42).
Turn the nut clockwise (more
spring tension) to increase
RPM
and
tachometer against flywheel cap screw.
Sensitivity Adjustment:
To adjust governor sensitivity
(no load to full load speed droop) turn the sensitivity
Counterclockwise gives more sensitivity (less speed
drop when full load is applied), clockwise gives less
increasing and decreasing speed). Adjust for max-
adjustment, the speed will require readjustment.
After adjusting the governor, secure speed stud lock
nut.
counterclockwise to reduce governed speed. Hold a
TURN NUT
COUNTERCLOCKWISE
TO DECREASE SPEED
adjusting ratchet accessible through a covered
GOVERNOR SPRING
access hole on the side of the blower housing.
NUT
sensitivity (more speed drop). If the governor is too
sensitive, a rapid hunting condition occurs (alternate
imum sensitivity without hunting. After sensitivity
TURN RATCHET COUNTER-
GOVE
SHA
TURN RATCHET CLOCKWISE
To
DECREASE
SENSITIVITY
CLOCKWISE TO INCREASE
SENSITIVITY
t347'J
Excessive droop may be caused by engine misfiring. Correct this
condition before adjusting governor.
FIGURE
42.
GOVERNOR ADJUSTMENTS
WARN,NG.
Contact with rotating machinery
a
might cause serious personal injury
or death. Stay clear of rotating components and
ensure that protective shields and guards are in place
and secured before operating machinery.
40
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