Cummins/Onan — Exercising the Generator Set
Operation
From a Cummins/Onan operator's manual covering: 275 DFBF, 300 DFCB, 350 DFCC. Check it applies to your exact model before use.
Applies to: Cummins/Onan 275 DFBF, Cummins/Onan 300 DFCB, Cummins/Onan 350 DFCC, Cummins/Onan DFBF, Cummins/Onan DFCB, Cummins/Onan DFCC, Cummins/Onan NT-855-G6 engine, Cummins/Onan NTA855-G6 engine, Cummins/Onan NTA855-G3 engine
Procedure
- Exercise the generator set at least once a week.
- Run a minimum of 30 minutes with load.
- Ensure engine reaches normal operating temperatures.
Full service-parts list: Cummins/Onan 275 DFBF →, Cummins/Onan 350 DFCC →, Cummins/Onan DFBF →, Cummins/Onan DFCC →
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.