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Home›Repair guides›GAS-GASOLINE CONVERSION

Cummins/Onan — GAS-GASOLINE CONVERSION

For these Cummins/Onan models: Contractor, UN Revolving Armature, 4-Pole.

Applies to: Cummins Onan Contractor

Procedure

  1. Close the gaseous fuel shutoff valve in supply
  2. Open the gasoline fuel shutoff valve, wherever
  3. Set the spark plug gap as given in the Specifica-
  4. See that the choke is free and works easily (be
  5. Start the engine. If the engine runs unevenly

Source: manual:940-0120 Onan NH (spec P) Genset Operators manual (10-1983).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.