Cruisers Forum
Main Forum => General Discussion => Topic started by: 2 Frazzled on October 20, 2013, 08:50:49 pm
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Our gennie won't start. It cranks but doesn't turn over. It's been 5 1/2 weeks since we ran it. It only has 18 hours on it. My question is... is there a kill switch or fuel shut off that may have been put into play during one of our many service stops? We adjusted for altitude, checked battery connections on both ends, waited until the air temp was reasonable, checked the air filter, and ran the truck while we cranked it just in case it needed a little extra oomph. We don't have a socket that fits the spark plug but plan to get one in a day or two and pull that. Is there any thing else we missed?
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Don't know about any kill switch or fuel shutoff, but I have had similar issues with starting even after pressing the prime switch for 10 seconds or more. Ours always started eventually so patience is required, sometimes waiting 5 minutes between attempts. Starting it regularly minimizes the issue on our unit.
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We had the same problem a few months ago.I removed the air cleaner and sprayed carb cleaner into the carb while cranking.It started and has been fine since. :)(:
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One of the first things to check is how much gasoline is in the PC fuel tank.
As a safety feature of the generator, if your gas tank is less than 1/3 full the generator will not be able to draw any fuel.
Barry
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Barry tip is right on,,, mind want start either unless tank is over 1/2 to full,,,,, not sure ONLY A SUGGESTION,, can you take the air cleaner off and start it,, have done this with this car before,,, I normally was once a month on exercising the genie,,, now I go over and try to do it every two weeks three at the most,,,,, a lot of the cheaper brands of gas ( grocery store, Loves, etc) Most of use do not have the detergents in them that keep everything clean and lessens varnishing, that's why they are 20 to 25 cents cheaper a gallon,,, not that it means much, but I also noticed that when it is cooler weather seems to make small engines a little harder to start,,
good luck
sparky
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I believe there is a breaker on the generator. I will check my manual, and report back.
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Be careful when removing the air cleaner and trying to start the Gen. Many a vehicle has been destroyed when the unit back fires without the air cleaner in place. Not only the vehicle, but the person trying to start it, has been seriously injured.
Bob
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One of the first things to check is how much gasoline is in the PC fuel tank.
As a safety feature of the generator, if your gas tank is less than 1/3 full the generator will not be able to draw any fuel. Barry
I always heard it was 1/4 tank but experienced the same. It's more like 1/3, not 1/4. A fill-up at the gas station might be the answer here.
I would also listen for the fuel pump while priming. The fuel pump on ours turns on after the priming light goes out. So hold and listen long after the light goes out.
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Gas tank was full. Several questions
- is the air cleaner another name for air filter, if so do we just spray carb cleaner into the opening where the filter was? Meaning into whatever hole it was covering.
- can you hear the fuel pump from inside or should we be starting the genie from outside? Are we talking about the Ford truck pump or does the generator have its own?
FYI - the Onan manual leaves much to be desired.
There is a bracket type switch on the right side of the housing. It is switched to on and I got the impression that it's purpose was to block power to the house batteries in case of some sort of overload. Since it is on I figure it isn't the problem.
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Air cleaner/air filter are the same.Fuel pump can be heard when priming from the outside position and is for the generator only.If you are concerned about backfiring,have a fire extinguisher available....I've never had a problem.
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We had the same problem with our on our trip to OR & CA. Its turned out to be a bad fuel pump, had it repaired under warranty. Found out the Onan had gotten a lot of bad fuel pumps this year, might want to check it out
Jim
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Thank you all for the info. We don't hear any change in noise when cranking from the outside so it is possible the pump is out. We bought the carb cleaner but chickened out on using it after reading the Onan warranty that says if you use anything other than what they recommend (which is Onan brand carb cleaner) that it voids your warranty. There is a camping world nearby so we plan to go there and see if they have the Onan stuff. If that doesn't work, the camp host here has a local RV repair guy he recommends so we will probably have him take a look at it.
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Understand your concerns,,, let us know what the technician finds out,,, may help some of us later. if not under warranty repair also let us know what it cost,, I like to know these things to keep in mind if I have the same problem
good luck
sparky
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Just got back from repair shop - it was the fuel pump, under warranty, and best of all, free. Thanks for the tip on bad fuel pumps. We probably would have gone in thinking it was varnishing and wound up paying for repairs. So the next question is: do we need to spray the Onan carb cleaner in there since it sat for a month and a half without running or does the two hour exercise we're doing take care of that? We couldn't spray it before because the generator has to be running to use the stuff. So spray now or wait?
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If it starts and run, you are in good health. That what the repairman told us. Then every 4 to 6 weeks run the gen. for 10 to 15 min. I'm going to add a shut off valve to the fuel line so I can run it dry for long storage times.
Jim
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Start the engine and let in run for a minute than start the generator...
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Hey Guys! Sorry you had the problem, but glad you got it resolved! I bad a problem with mine as well but it was a propane situation (with the sprinter) so not the same: HOWEVER, I have now scheduled to run it at least once a month, (recommended by many) to be safe. It's one of those things that is only needed when you (we) need it.
We'll be emailing you - all the best,
Jack (& Linda)
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I'm curious,,, does the manual recommend running the gen the same for propane? I understand the reason with the gas due to varnishing in the carb etc... BTW, from everything I have read your not going to hurt the gen by running it,,, that's what they are designed for...
sparky
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Yes, it's good to run it regardless - you're right on about the gasoline. My problem (I think) is I filled the propane in Yellowstone last summer, and I read somewhere that often big users get a mixture with more butane in the summer - this supposedly doesn't work as well in winter. I'm a little beyond the scope of my book in this but for whatever reason it wouldn't run/start until I had fresh fill with propane (it only took 2 gals. So it wasn't the low volume problem) .
Best,
Jack