03-58 Auxiliary Systems
03-58
GOVERNORS, RPM ADJUSTMENTS
High Speed
First attach a tachometer to the engine, then run the
engine until it reaches normal operating temperature.
1.
Loosen the locknut on the high-speed stop screw.
2. Disengage engine load.
3.
Slowly pull the throttle to desired maximum
engine speed.
VARIABLE
CONTROL
HIGH SPEED
LEVER
GOVERNOR
THRO-T-I-LE
ADJUSTMENT
NO-LOAD SURGE
ADJUSTMENT
PPD0048
4.
Adjust the high-speed stop screw on the
governor to attain the desired maximum engine
speed. Do not exceed the recommended
maximum rpm.
5. Tighten the locknut.
Sensitivity or “Droop”
Proper governor operation requires a difference
between full-load and no-load governed speed. Too
small an rpm spread between the two speeds will
cause governor hunting and surging. Too large a
spread will cause low response. For this governor,
normal rpm spread, or “droop,” is approximately 250
rpm with the full-load speed range of 2000-2800 rpm.
/
IDLE
l/32” T; l/16”
MIXTURE
PPD0049
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