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Cummins/Onan — Starting Procedure

Operation · Generator set

From a Cummins/Onan owner's manual — check it applies to your exact model before use.

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Before you start

  • Gasoline vapors can explode causing severe personal injury or death. Operate evacuator blower for 4 minutes and check generator set compartment for gasoline vapor before starting.

Procedure

  1. Inspect the generator set; follow Prestart Checklist.
  2. Operate evacuator blower for 4 minutes and check compartment for gasoline vapor.
  3. Disconnect all loads before starting the genset.
  4. Move the Start/Stop switch to START; release when the genset starts.
  5. Let the set warm up before connecting a load; correct any problems immediately.
  6. Apply load and keep within the nameplate rating.

Source: Cummins/Onan owner's manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.

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