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Overspeed Adjustment
The governor control contains a circuit which will
de-energize the carburetor fuel solenoid (AD) if the
generator exceeds the overspeed setting.
Figure 9. Speed Potentiometer
D Do not use the Speed Pot to check the overspeed
shutdown setpoint. See Figure 9.
D Disconnect all loads from the generator when
adjusting the overspeed cutout.
1. Connect a frequency meter to the generator output.
2. Turn Overspeed Pot counterclockwise to max.
overspeed cut-out point. See Figure 10.
OVERSPEED
Figure 10. Overspeed Potentiometer
6
SPEED
TP-5572-6
TP-5572-6
3. While observing the frequency meter, manually turn
the governor actuator shaft until frequency reaches
the desired cut-out speed.
Do not exceed 72 Hertz
4. While keeping the generator at the desired cut-in
speed, slowly turn Overspeed Pot clockwise until unit
shuts down. See Figure 11.
OVERSPEED
Figure 11. Overspeed Potentiometer
If Overspeed Pot is adjusted too low, the engine may shut
down on startup because of governor overshoot.
NOTE
TP-5572-6
NOTE
SB-555 5/96
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