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Cummins/Onan — Carburetor Adjustment Under Load

A Cummins/Onan service procedure — check it applies to your exact model before use.

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Procedure

  1. Adjust the carburetor for proper fuel-air mixture.
  2. Follow adjustment procedures for load operation.

Source: manual:940-1001 Onan NB Engine Service and Parts Manual (7-1972).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.