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Cummins/Onan — Using the Electric Starter

For these Cummins/Onan models: EGMBT (P4500), EGMBT/P4500, EGMBU (P5000e), EGMBU/P5000e.

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Procedure

  1. 1. Open the fuel valve.
  2. 2. Pull the choke rod out to close the choke if the engine is cold.
  3. 3. Press and hold the Start/On/Off switch in the START position until the engine starts. The

Source: manual:914-0116 Cummins EGMBT&U Operators Manual (8-2009) .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.