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Home›Repair guides›Cummins/Onan›Starting the Engine

Cummins/Onan — Starting the Engine

Operation

From a Cummins/Onan operator's manual covering: EGMBM / PX6100, PX6100/e, RGV2800, RGV4100. Check it applies to your exact model before use.

Applies to: Cummins/Onan RGV2800, Cummins/Onan RGV4100, Mitsubishi EH17-2D engine, Mitsubishi EH25-2D engine

Before you start

  • Do not run the starting motor over 5 seconds continuously.

Procedure

  1. Turn the engine switch to the ON position (Recoil starter model only).
  2. Turn the no-fuse breaker to the OFF position.
  3. Open the fuel cock.
  4. Pull the choke knob to close if the engine is cold.
  5. Recoil starter model: Pull the starter handle slowly until resistance is felt, then return and pull swiftly.
  6. Electric starter model: Insert the key and turn it clockwise to the RUN position, then further to START.
  7. Do not run the starting motor over 5 seconds continuously; wait about 10 seconds then start again.
  8. After the engine starts, return the choke knob gradually to OPEN position.
  9. 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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