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Old 08-31-2022, 09:55 AM   #1
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1986 34.5' Airstream 345
Sunrise , Florida
Join Date: Mar 2022
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Onan 6.5 Airstream 345

Help ! hello! Having a new problem with my generator starts and runs for about 15 minutes and quits ,if I try to restart again it won't start maybe next day or when is cool off , anybody had similar situation ? Thanks
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Old 08-31-2022, 01:30 PM   #2
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2004 28' International CCD
Lincoln City , Oregon
Join Date: Jan 2022
Posts: 21
Smokstak onan

Try this forum, Smokstak Onan. Include model and serial #. This site is a bunch of Onan hobbyists and technicians. Your current problem may be fuel or spark related, it may not be getting proper cooling, it may have a defective low oil pressure cutout switch, a high temp switch problem, some models must produce proper AC output to run. If low on oil, genset will not run. Depending on which model you have, these small 1800 rpm Onan gensets are some of the best ever made. They respond really well to a tune up, points,plugs, condenser, plug wires, air filter and oil change, make sure the brushes on the generator end are making good contact with the commutator and slide freely in the brush holders. If this is an older genset, as I suspect it is, Cummins, who bought Onan and changed the name, does not provide much support for them anymore. They may have parts, but unless you can luckily find an older technician who is familiar with these units, they may not know much about fixing and adjusting this unit.
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Old 08-31-2022, 04:06 PM   #3
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1975 20' Argosy 20
Chestfield , Kent
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Often posts get lost if they aren't in the most appropriate sections. Maybe ask the moderators to move to the classis motorhome section and you will get more 'hits' and possibly replies.
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