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Cummins/Onan — Starting the generator

Operation · Generator set

From a Cummins/Onan operator's manual covering: PX4800, RGX2900, RGX3600. Check it applies to your exact model before use.

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Before you start

  • Check the oil level before each operation as outlined in CHECK ENGINE OIL.

Procedure

  1. Turn the engine switch to the ON position.
  2. Turn the AC circuit breaker to the OFF position.
  3. Open the fuel cock.
  4. Set the choke lever to close if the engine is cold.
  5. Pull the starter handle slowly until resistance is felt (compression point), return it, then pull swiftly.
  6. After the engine starts, return the choke lever gradually to the OPEN position.
  7. Warm up the engine without a load for a few minutes.

Source: Cummins/Onan operator'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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