Cummins/Onan — Changing Frequency
Adjustments · Control box (HZ SEL / 60 HZ jumper leads)
From a Cummins/Onan service manual — check it applies to your exact model before use.
Applies to: Cummins/Onan MDKB, Kubota D1105 engine, Kubota V1505 engine, Kubota V2003 engine, Kubota V2403 engine, Kubota V3300 engine
Before you start
- Make sure the line circuit breakers are suitable for the new output; replace them if necessary with ones of appropriate rating.
- Check and adjust voltage as necessary after the frequency has been changed.
Procedure
- Remove the control box cover.
- Connect HZ SEL and 60 HZ for 60 Hz output.
- Disconnect HZ SEL and 60 HZ for 50 Hz output.
- Apply the appropriate reconfiguration label.
- Replace the control box cover.
Full service-parts list: Cummins/Onan MDKB →, Kubota D1105 engine →
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.