| Re: [GMCnet] Onan Issue [message #260067 is a reply to message #260033] |
Mon, 25 August 2014 19:10   |
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Matt Colie
Messages: 8547
Registered: March 2007
Location: S.E. Michigan
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Arthur Mansfield wrote on Mon, 25 August 2014 14:21Thanks everyone. I already checked and my gas cap does not seal tight. The Onan still will not run correctly after I have been on the road and refilled the tank. I tried to run the generator after refueling to run the AC unit. It surged and I had to shut it off.
I am being to think it is the temperature of the gas is the problem. I tried to adjust the carb when it was hot and not running correctly. It did not help. Once everything cooled off the generator ran find except I had the carb very very rich.
Thanks
Art
Art,
I don't know how you can check this if you only have one, but I had a very similar issue. Fortunately, I have a complete spare Onan. (Well, it is still complete, but I have not screwed all the parts back on yet.) It ran rich and there did not seem to be much I could do about it. I fouled out a brand new pair of plugs. So, I started checking things. I got the float out and it seemed heavy..... so I compared it to the other and it was about 1/2 gram heavier.
This should be a fade to grey and a note - Some Days Later
After doing a lot of useless things, the new float came in the mail. I set it up per the manual and started if up and after setting it to frequency at load, she decided to be the wonderful old Onan I knew.
Mine is a BF. I can provide the exact weight of the float for an LMB carburetor if that might help.
Decades ago I had dirt bikes. They used to sink floats all the time. Sometime you could see the crack and solder it.
Matt
Matt & Mary Colie - Chaumière -'73 Glacier 23 - Members GMCMI, GMCGL, GMCES
Electronically Controlled Quiet Engine Cooling Fan with OE Rear Drum Brakes with Applied Control Arms
SE Michigan - Near DTW - Twixt A2 and Detroit
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