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Home›Repair guides›Idle Speed Stop Adjustment (Spec A only):

Cummins/Onan — Idle Speed Stop Adjustment (Spec A only):

For these Cummins/Onan models: BGM, NHM.

Applies to: Cummins Onan Nhm

Procedure

  1. 1. If the carburetor has been overhauled, gently
  2. 2. Start the genset and let it warm up for ten min-
  3. 3. Disconnect the load (check for zero amps). Pull

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.