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Cummins/Onan — Governor and carburetor adjustments should be

For these Cummins/Onan models: BGM, NHM.

Applies to: Cummins Onan Nhm

Procedure

  1. 1. Disconnect the governor rod from the actuator
  2. 2. Loosen the throttle stop screw locknut and
  3. 3. While gently holding the throttle lever counter-

Source: manual:965-0531B Onan BGM NHM Marquis series RV Genset Service manual (02-1991).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.