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Fuel cutoff valve


 
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maxwell99
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Joined: 15 Apr 2008
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PostPosted: Sat Nov 10, 2012 4:17 pm    Post subject: Fuel cutoff valve Reply to specific post Reply with quote

New plan:

no telling at the times I have got back to the house after using my old TO-35 Ferg and cannot remember if i turned the fuel shutoff valve off.

My Plan:
I am going to devise a fuel cutoff tag that will hang on the tractor steering wheel.

"Fuel is cutoff"

When i use the tractor i will turn fuel on and place tag in my pocket. When i am through using the tractor, i will turn the fuel off, then place tag back onto the steering wheel.

If this plan works and i follow my own rules, I should not have to go back to the barn to check the cutoff valve.

what do you think, see any bugs in this plan?

cannot tell you how many times i have gone back to the barn to check the fuel cutoff valve and be sure its turned off.

my old tractor runs great, but the carb will leak gas sometimes and its a pain to drain carb and clear it, so no raw gas is pulled into the cylinders when i start the tractor after carb has leaked gas.

hope my plan works.
any other suggestions???

someone said they now make a electric fuel shut off valve you can install in the fuel line and hook to the ignition, when you cut power it closes and cuts fuel off. but i bet it would not work much better than the fuel cutoff inside the carb.

so you still could not fully depend on it to cut the fuel off!!!
 
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Jeff-oh
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Joined: 04 Sep 2002
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Location: SW Ohio

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PostPosted: Sat Nov 10, 2012 4:45 pm    Post subject: Re: Fuel cutoff valve Reply to specific post Reply with quote

This is a good idea. If it is in your pocket then you know.

Only weak spot is there is nothing to remind you when your at the tractor.

Could you make a small one that would clip to the ignition key? Then when you shut the tractor down it is there in your hand.

Jeff
 
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Bruce(OR)
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PostPosted: Sat Nov 10, 2012 6:38 pm    Post subject: Re: Fuel cutoff valve Reply to specific post Reply with quote

I am too old for a tag. The ign key trick below might just work. I did a solenoid hooked up to the ign switch and plumbed into the fuel line.
 
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s19438
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PostPosted: Sat Nov 10, 2012 6:42 pm    Post subject: Re: Fuel cutoff valve Reply to specific post Reply with quote

smell your fingers. if they smell like gas you shut it off.

or shut the gas off and let the engine stall. but then you have to remember to turn the key off. but then it is easier to deal with a dead battery than a dry fuel tank ?????

or only keep a gallon or so of gas in the tank.
 
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Charles in Aus.
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Joined: 16 May 2011
Posts: 436
Location: Victoria , Australia

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PostPosted: Sat Nov 10, 2012 8:01 pm    Post subject: Re: Fuel cutoff valve Reply to specific post Reply with quote

The most likely time to find the tag still in your pocket is when you are back at home and about to sit down !
A fuel shut off solenoid valve is probably what you need, very good ones are made for LPG powered car engines , they are cheap and run off 12 volts . The advantage of these is that they can be wired to only open when the ignition is on , once the ignition is turned off it will automatically close the fuel line. As they are quite small one could be hidden up under the battery tray and with a creative switch it could also be turned into an anti theft device .
 
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S2710
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Posts: 1155
Location: West central Wisconsin

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PostPosted: Sun Nov 11, 2012 4:03 pm    Post subject: Re: Fuel cutoff valve Reply to specific post Reply with quote

I think that I would fix the carb. so that it don't leak and then if I forgot to turn the fuel off it would be no big deal. I never turn my fuel off and I never have any leaks, but now I suppose tomorrow I will.

Bob
 
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maxwell99
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PostPosted: Sun Nov 11, 2012 5:00 pm    Post subject: Re: Fuel cutoff valve Reply to specific post Reply with quote

I have rebuilt the carb or replaced the needle seat a few times over the years, but have not been able to completely stop the carb from leaking.

many years ago it did not ever leak, but that was a long time ago.

may order another kit and see if i can stop the Occasional leak,

but the old tractor runs so good, i hate to bother the carb.

idles at 400 rpm's, takes fuel fine, starts good, pulls good,

however, it would be nice if it did not leak.

took it to the tire repair store COOP the other day,
rear tire repair. had to leave it at their shop.
put a big sign on steering wheel, telling the desk clerk and mech to be sure and cut fuel off if they started and moved tractor.

when i picked it up the next day, it was inside their shop as i had ask that it be left inside.

I saw a white bleached out area under the old tractor and i knew then, they had left the fuel on overnight. cutoff was off when i got on tractor, but carb was full of fuel.

i was POed, but they could care less, guess they were not used to working on old junk tractors.

local Coop maintenance shop.
only time i ever had to leave it. guess i should have just brought it home and took it back another day so i could have stayed with it.

(like a person taking his kid to the dr)

was told they would get it right in for tire repair, but as i drove up a big heavy eq trailer (18 wheeler) was being backed in and he was getting all new tires on the trailer, so you can Imagine who was sent to the back of the line.
 
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2tractors
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PostPosted: Sun Nov 11, 2012 5:00 pm    Post subject: Re: Fuel cutoff valve Reply to specific post Reply with quote

One little sliver of rust under your needle jet is all it takes for a leak.I don't like the smelling your fingers cure for #2 reasons.
 
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John(UK)
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PostPosted: Mon Nov 12, 2012 6:54 am    Post subject: Re: Fuel cutoff valve Reply to specific post Reply with quote

As others have said, repair the Carburettor, although fuel may not be running out, the fuel will be higher in the float chamber because of a leak and that will cause it to run rich and use more fuel. It only requires attention to the Float and the small valve above it. You also need to check the adjustment of the height of the fuel in the Float chamber as it may just be that and the fuel is rising too high.Just a matter of bending the tab on the Float. If you need more detail, email me....John(UK)...fergusontractors@hotmail.com
 
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Inno
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Joined: 11 Nov 2009
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Location: NW Ontario Canada, Near Beautiful Rainy Lake

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PostPosted: Mon Nov 12, 2012 8:08 am    Post subject: Re: Fuel cutoff valve Reply to specific post Reply with quote

I have run into this with my 202. Trouble is that it only happens once in a blue moon so to take apart the carb and look for something that might be wrong and only causes problems maybe once every 2-3 months seems kind of excessive. I would much rather install a fuel shutoff solenoid and probably will on the 202 and the 35 when I work on them next. Seems like cheap insurance for a problem that only happens every once in awhile but can cause such a hassle when it does.
 
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