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Home›Repair guides›Main Fuel Mixture Adjustment: These instruc-

Cummins/Onan — Main Fuel Mixture Adjustment: These instruc-

For these Cummins/Onan models: BGM, NHM.

Applies to: Cummins Onan Nhm

Procedure

  1. 1. Connect rated load.
  2. 2. Turn the main fuel mixture adjusting screw
  3. 3. Push the adjustment limiter cap on over the

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.