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Cummins/Onan — Adjustment:

For these Cummins/Onan models: BGD, NHD.

Applies to: Cummins Onan Bgd

Procedure

  1. 1. Run the genset at least 15 minutes at 50% to 75% of
  2. 2. Remove the load and let the set stabilize 10 to 15
  3. 3. Read the gensetfrequency. With no load,frequency
  4. 4. Turn the speed nut until the no-load frequency is
  5. 5. Slowly turn the idle stop screw in to increase the
  6. 6. Turn the speed nut in until the no-load frequency is
  7. 7. Connect rated load.
  8. 9. Check frequency with rated load connected.
  9. 8. Check output voltage. Service the generator (Sec-
  10. 10. Check governor response under no load, 1 14 load,

Source: manual:965-0529 Onan BGD BGDL NHD (spec A-G) Genset Service manual (05-2009).pdf. Figures and steps are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.