Cummins/Onan — Emergency Manual Mode Electrical Start
Operation · Engine starting system
From a Cummins/Onan owner's manual covering: 6CTA8.3, CFP83-F10, CFP83-F20, CFP83-F30, CFP83-F40. Check it applies to your exact model before use.
Applies to: Cummins/Onan 6CTA8.3, Cummins/Onan CFP83-F10, Cummins/Onan CFP83-F20, Cummins/Onan CFP83-F30, Cummins/Onan CFP83-F40, Cummins/Onan 6CTA8.3G2 engine, Cummins/Onan 6CTAA8.3G3 engine
Before you start
- Use the lever on either solenoid. If one does not crank the engine, then use the other.
Procedure
- Open both manual valves in the raw water bypass supply piping.
- Press the MANUAL position on the AUTO/MANUAL rocker switch.
- Depress the lever on the selected solenoid to start the engine.
- Release the lever when the engine starts.
- Stop the engine by pressing the AUTO position on the AUTO/MANUAL rocker switch and then pressing the RESET switch.
Full service-parts list: Cummins/Onan CFP83-F10 →, Cummins/Onan CFP83-F20 →, Cummins/Onan CFP83-F30 →, Cummins/Onan CFP83-F40 →
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.