Cummins/Onan — Genset Break-In
Operation · Engine
From a Cummins/Onan owner's manual covering: E124V, E125, E140, Miller P216, Miller P218, Miller P220, Miller P224, P218, P220, P248. Check it applies to your exact model before use.
Applies to: Cummins/Onan E124V, Cummins/Onan E125, Cummins/Onan E140, Cummins/Onan HGJAA, Cummins/Onan HGJAB, Cummins/Onan HGJAC
Procedure
- Run the genset at approximately 1/2 rated power for the first 2 hours.
- Run at 3/4 rated power for 2 more hours.
- Check oil level twice a day or every 4 hours during the first 24 hours.
- Change the engine oil after the first 50 hours of operation.
Full service-parts list: Cummins/Onan E124V →, Cummins/Onan HGJAA →, Cummins/Onan HGJAB →, Cummins/Onan HGJAC →
Source: Cummins/Onan owner'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.