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Home›Repair guides›Use the following procedure to adjust the idle and main

Cummins/Onan — Use the following procedure to adjust the idle and main

For these Cummins/Onan models: BF/BFA/BGA, BFA, BGA, NH.

Applies to: Cummins Onan Bfa, Cummins Onan Bga, Cummins Onan Nh

Procedure

  1. 4. Remove all electrical loads and connect a voltmeter
  2. 2. Pull the governor linkage toward the front of the set
  3. 3. Continue to hold the governor linkage. Determine
  4. 4. Release the governor and apply a full load to the set.

Source: manual:900-0337 Onan BF BFA BGA NH RV Gen Service manual (01-1983).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.