Cummins/Onan 6GO — Starting the Plant Manually
Operation · Starting system
For the Cummins/Onan 6GO, from the Cummins/Onan operator's manual.
Applies to: Continental Red Seal Y91-273 or Y91-264 engine
Before you start
- Keep the ignition switch at the ELECT. START position at all times except when actually starting the plant manually.
- While at HAND START, the high water temperature cut-off switch (and low oil pressure switch) is cut out and the plant is not protected against overheating.
Procedure
- For gasoline fuel, use the hand crank to turn the engine enough times to fill the fuel pump and carburetor.
- Throw the ignition switch to the HAND START position.
- Crank the engine with a quick upward pull.
- If equipped with a Sisson automatic choke, have someone pull up on the automatic choke arm while cranking.
- If equipped with a low oil pressure ignition cut-off switch, hold the momentary toggle switch in contact until the plant reaches running speed.
- After the plant starts, return the ignition switch to the ELECT. START position.
Tools required
- Hand crank Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
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.