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Cummins/Onan — Power Tools and Appliances.

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

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Procedure

  1. 3. Starting and Running the Generator Set
  2. 3.3.2
  3. 1. Open the fuel valve (see Figure 7).
  4. 2. Pull the choke rod out to close the choke if the engine is cold (see Figure 8).
  5. 3. Verify that the On/Off switch is in the ON position.
  6. 4. With one hand on the generator, grip the recoil handle with the other hand and pull it out
  7. 5. As the engine warms up, gradually push the choke rod in.
  8. 6. Let the engine warm up for a few minutes before connecting tools or appliances. See

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.