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Old 08-06-2014, 01:02 PM   #22
Rich Biebel
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Join Date: Jun 2007
Location: Northern New Jersey suburbs
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Default Re: Onan 7000 Generator problems

You could come work with me.....LOL

I once fixed an older Onan that had a 24 Volt AC circuit failure in the stator by using the 120 VAC output fed to a small transformer and applied to the control board. Mounted the transformer outside the endbell.....added the wiring and it worked perfect.

The 24 volt ac was used to operate circuits on the control board and keep the machine running. A new stator was not available. Older flathead 1800 rpm machine.

I get creative sometimes if needed and if it makes sense.

Keep in mind if you never lose that 12 volts to the carb solenoid and fuel pump......your issue is NOT the PC board....

These machines are very hard to restart hot and I have not come up with a fix for that. As you see, if you close the choke as you crank it hot.....it will start right up usually. Otherwise they may crank a very long time and or not start without numerous tries or waiting a while.

The engines are Subaru-Robin built I believe. Not sure on that or who may have designed them but they really need to address some serious issues on them.

I am installing a new engine right now on one. 7KW.....6600 hours
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