Cummins/Onan — Loading the Genset
Operation · Electrical loads
From a Cummins/Onan operator's manual covering: 5.5 HGJAA, 5.5 HGJAB, 5.5 HGJAC, 6.5 HGJAA, 6.5 HGJAB, 6.5 HGJAC, 7.0 HGJAA, 7.0 HGJAB, 7.0 HGJAC. Check it applies to your exact model before use.
Applies to: Cummins/Onan HGJAA, Cummins/Onan HGJAB, Cummins/Onan HGJAC
Procedure
- Compare the sum of expected appliance loads with the genset power rating.
- Use Table 2 or appliance ratings to obtain individual appliance loads.
- Run fewer appliances when large motors or air conditioners cycle on and off.
Full service-parts list: Cummins/Onan HGJAA →, Cummins/Onan HGJAB →, Cummins/Onan HGJAC →
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.