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Old 04-16-2017, 07:07 PM   #1
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Brand: Thor Motor Coach
State: Texas
Posts: 23
THOR #778
deryld

Hi, this may not be the place where I should pose this question but here goes anyway. My onan generator 55KW on a Thor Windsport, 2013, all of a sudden quit running. After changing the fuel filter, air cleaner, oil and oil filter and spark plugs, I still can't get it to start and stay running. Is there a safety switch that needs to be re-set thanks,
Deryl
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Old 04-16-2017, 07:21 PM   #2
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Brand: Thor Motor Coach
Model: Miramar 33.5
State: Washington
Posts: 217
THOR #578
Frustrating!!

Could your fuel be bad? I know if stale fuel gets into the carb it can gum it up. Especially if you didn't use a fuel stabilizer at the end of last season. There are some products out there that can help, seafoam is one.
Maybe a fresh tank of gas with an additive to help flush the carburetor?
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Old 04-16-2017, 07:39 PM   #3
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Brand: Thor Motor Coach
State: Texas
Posts: 23
THOR #778
I don,t think it is fuel related. We just came off of a 4000 mile trip and were in the last leg of it when the problem surfaced. I don,t even know if the safety cut off switch has to be re-set but I would think so. Thanks for your observation.
Deryl
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Old 04-17-2017, 03:52 AM   #4
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Brand: Thor Motor Coach
Model: 2015 Hurricane 32n
State: Georgia
Posts: 171
THOR #2983
The fuel pickup for the genset in the tank is above the engine fuel pickup in order to avoid the genset running the fuel totally out. Was your tank somewhere between 1/4 and empty when it quit? If so, maybe filling the tank and repriming the generator by holding down the stop/prime switch will fix it.
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Old 04-17-2017, 04:42 AM   #5
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Brand: Thor Motor Coach
Model: Windsport 34P
State: Florida
Posts: 29
THOR #6901
Might want to check the brushes as well - that was the issue I had last year on a Voltage 5th Wheel with the same generator.
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Old 04-17-2017, 12:29 PM   #6
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Brand: Entegra
Model: Entegra Accolade 37TS
State: Virginia
Posts: 3,593
THOR #1469
Around the time your coach was built (2013) Onan had a bad run of fuel pumps. You might want to get that checked out.
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