Minimum Droop (Minimum Frequency Regulation)
3-KW, 400 Hz
3-KW, 60 Hz
STEP 1. Move the governor control knob to the GOVERN or RUN position.
STEP 2. Start engine and allow engine to warmup at rated speed for 3 to 5 minutes.
STEP 3. Apply load. Loosen locknut A and turn minimum speed stop screw to obtain engine speed/frequen-
cy given in table above. Tighten locknut A.
STEP 4. Disengage load. Loosen locknut B and turn governor spring adjustment nut counterclockwise until
engine begins to "Surge" or "Hunt". Then turn nut clockwise just enough to stop surging.
STEP 5. Apply load and recheck engine speed/frequency. If engine speed/frequency is incorrect, perform opera-
tions in Steps 3 through 5 and readjust.
STEP 6. Tighten locknut B.
Figure 2-10.1 Governor Adjustment using Frequency Meter (Sheet 1 of 2).