Cummins/Onan 5.0BF - 34 3E / S.OSF - 34 IE — Electric Starting
Operation · Engine
For the Cummins/Onan 5.0BF - 34 3E / S.OSF - 34 IE, from the Cummins/Onan service manual.
Applies to: Cummins/Onan 5.0BF - 34 3E, Cummins/Onan BF engine
Before you start
- Do not touch welder terminals while operating.
Procedure
- Adjust choke according to temperature conditions.
- Move ignition switch to ON.
- Push START switch firmly. If unit does not start within a few seconds, release and wait.
- If unit does not start after two attempts, open choke and repeat starting sequence.
Full service-parts list: Cummins/Onan 5.0BF - 34 3E →
Source: Cummins/Onan service 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.