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Farmall & IHC Tractors Discussion Forum
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fuel bowl on gasoline Farmalls

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Yellott Canby

03-23-2006 07:03:26




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Hello, I was wondering what the general opinion was on turning off the fuel at the bowl when leaving a tractor sit over night, or for several days. Seems like my gas tractors H and 656,either leak at the carb, or at the bowl itself. Is this problem worth fixing or is it better just to shut off the fuel. The leak is very minor. Thanks YC




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Mr. Farmall

03-23-2006 18:54:19




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 Re: fuel bowl on gasoline Farmalls in reply to Yellott Canby, 03-23-2006 07:03:26  
I alway shut off the valve in my A, if I don"t there will be a pudle of gas on the floor, it does not leak when it is running only if the motor is off and the fuel valve is still open.



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Farmall Wrangler

03-23-2006 11:40:50




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 Re: fuel bowl on gasoline Farmalls in reply to Yellott Canby, 03-23-2006 07:03:26  
I was always taught to turn off the gas at the end of the day. I think it was concern over the potential for fire ( probably the same reason that pap would never let us pull a tractor on to the barn floor. I have pushed many of loaded hay wagons ) I'm curious though how would the crank case or cylinders fill up with gas on a updraft carb?



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Peabody

03-23-2006 13:03:09




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 Re: fuel bowl on gasoline Farmalls in reply to Farmall Wrangler, 03-23-2006 11:40:50  
With a near-full tank, and the gasoline level higher than the valves, and a tight-fitting air intake hose, the gas CAN fill the carburetor and up through the intake manifold, in an open intake valve, down the cylinder wall, past the rings and into the crankcase.



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Allan In NE

03-23-2006 09:20:48




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 Re: fuel bowl on gasoline Farmalls in reply to Yellott Canby, 03-23-2006 07:03:26  
Hmmmm,

Must be darned lucky, I guess.

Met my first Farmall in 1951; not only have I never seen one leak, I've never seen one that would leak only at times when I wasn't around.

So, I never turn 'em off and come to think of it, have never known anybody else that does either.

Allan



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Kelly C

03-23-2006 11:50:44




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 Re: fuel bowl on gasoline Farmalls in reply to Allan In NE, 03-23-2006 09:20:48  
I have the exact oposite experence. I can know 15 min after I even just look at a fuel bowl its going leak.
706 is doing that right now. Dint leak before the rebuild and never touched the bowl at all. She leaks like a seave now. Put new gasket... Leak.. Put new bowl and gasket from my 300.. Leaks.

So now I have to get a Whole new fuel bowl and gasket.
I suspect she is just playing me. "Ohhh so you fixed that huh... Well what about this. Spring, pop, bloop, bing"

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Dellbertt

03-23-2006 10:33:53




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 Re: fuel bowl on gasoline Farmalls in reply to Allan In NE, 03-23-2006 09:20:48  
Yer lucky allan, Ive never met one that didnt leak one time or the other. Usually just a float stuck or dirt in carb.
Dell



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old

03-23-2006 08:24:05




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 Re: fuel bowl on gasoline Farmalls in reply to Yellott Canby, 03-23-2006 07:03:26  
Its always a good idea to shut off the gas when you shut off the tractor. If the carb leaks you can end up with gas in your oil and of a hyd lock because one cylinder has filled with gas and even a few other problem includeing $10-40 worth of gas ending up on the ground or in the engine



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Peabody

03-23-2006 08:22:45




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 Re: fuel bowl on gasoline Farmalls in reply to Yellott Canby, 03-23-2006 07:03:26  
Turning of the gas at the bowl comes as natural to me as turning off the switch. Forgetting to do either typically ends up biting me on the butt.



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RustyFarmall

03-23-2006 08:03:26




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 Re: fuel bowl on gasoline Farmalls in reply to Yellott Canby, 03-23-2006 07:03:26  
The owners manual recommends shutting the fuel off. we all should be following that advice, few of us do.



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Red Dave

03-23-2006 07:29:18




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 Re: fuel bowl on gasoline Farmalls in reply to Yellott Canby, 03-23-2006 07:03:26  
I always shut the gas off at the tank when it's parked overnight on tractors that are gravity-fed. I've had them leak through the needle valve, overflow out on the ground, and empty a tank in a few days of sitting.

Just lucky there was no source of ignition or the tractor would have gone up in flames.



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souNdguy

03-23-2006 07:27:57




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 Re: fuel bowl on gasoline Farmalls in reply to Yellott Canby, 03-23-2006 07:03:26  
If you have a leaky float, or bad needle / seat.. then you really should get it fixed.. it can cause flooding problems in extreme cases... however.. turning of fthe fuel at the fuel bowl is always a good idea.

I din't use to use the fuel bowl valve till I came out one day and my cub was out of gas, and the crankcase was completely full. Had to drain crankcase and refill with new oil and put on a new fuel bowl and valve.

Soundguy

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