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Order Ford 861 Parts Online

861 power master fuel shut off valve problems

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Blueox4

12-02-2019 12:48:33




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Well, of course today for some reason the screw that shuts off my fuel under the tank fell out completely while I was plowing. Fuel spilling out pretty good. Tractor stalled. I put a ball point pen cap in there and was able to start it and get it in the garage.

1) does anyone know the screw size so I can get a replacement screw if possible? It never leaked before if only unscrewed a couple turns.

2) if option 1 is not possible is it possible to replace the whole valve without pulling the tank or manifold?

Thanks for any help with this. Had to happen at worst time.

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Dean

12-04-2019 11:11:54




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 Re: 861 power master fuel shut off valve problems in reply to Blueox4, 12-02-2019 12:48:33  
The fuel valve can be removed and replaced without removing the hood, tank, or anything but the fuel line if you have the OEM style fuel line. Who knows if the fuel line has been altered.

You will need the proper tools and it helps if your hands are not too large.

I've done it so often that I spend more time draining and replenishing the gasoline than removing and replacing the valve.

Be certain to use the correct O ring and do not overtighten the bolts attaching the valve to the tank.,

Dean

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Hobo,NC

12-03-2019 17:19:33




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 Re: 861 power master fuel shut off valve problems in reply to Blueox4, 12-02-2019 12:48:33  
I take the front bolts out of the frond dog legs then the front and rear bolts that retain the fuel tank support to the engine, lift the front of the hood up and wedge a wood block between the valve cover and fuel tank. If I did anything to the rear hood bolts I don't remember it other than it was not bad to do once I raised the hood and tank up...



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tracy brown

12-03-2019 17:01:23




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 Re: 861 power master fuel shut off valve problems in reply to Blueox4, 12-02-2019 12:48:33  
7/16 fine thread. Screw it in tight and the gas is still on.



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Blueox4

12-04-2019 11:04:29




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 Re: 861 power master fuel shut off valve problems in reply to tracy brown, 12-03-2019 17:01:23  
This worked. Now itís not leaking and the gas is flowing! If I put a cutoff before the carb I probably donít have to replace the valve. I want to be able to cutoff fuel flow again but until then Iíll just put in enough fuel to plow the driveway so hopefully it wonít flow past the carb.



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showcrop

12-03-2019 09:41:53




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 Re: 861 power master fuel shut off valve problems in reply to Blueox4, 12-02-2019 12:48:33  
Quoting Removed, click Modern View to see

Blueox, as I posted earlier, no need to remove the hood. There are two bolts in the rear and one in the front. I loosen the ones in the rer a little and then the front one wiy the spring probably a half inch. Then as I posted earlier the valve cover easily rolls out giving you plenty of room.



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Tom in Mo.

12-02-2019 18:52:52




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 Re: 861 power master fuel shut off valve problems in reply to Blueox4, 12-02-2019 12:48:33  
If you need a temporary fix, how about a pipe plug with a little teflon tape.



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showcrop

12-02-2019 18:06:48




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 Re: 861 power master fuel shut off valve problems in reply to Blueox4, 12-02-2019 12:48:33  
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I think that I would whittle a piece of wood to fit before trying anything that you need to have stick. There is special patching material for gas tank leaks but you need to find it first.



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Blueox4

12-03-2019 08:34:59




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 Re: 861 power master fuel shut off valve problems in reply to showcrop, 12-02-2019 18:06:48  
I found a nice round maple twig that I sanded down the bark a bit and wrapped the end a couple inches down in a piece of plastic and pushed about an inch or so in the valve and that was finally able to stop all dripping and the tractor will run if I need to plow the driveway. I have a replacement valve on the way and will properly replace it as soon as I can.

If I loosen those bolts holding the gas tank down will it raise a bit more to help facilitate installing the new valve? I donít want to have t remove the cowl or the valve cover on the engine if I donít have to.

Thanks for all the help too!

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WayneIA

12-02-2019 16:40:08




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 Re: 861 power master fuel shut off valve problems in reply to Blueox4, 12-02-2019 12:48:33  
Have never seen a replacement shut off. Probable a new assembly would be your best bet. Taking the valve cover off gives a little more room when replacing that shutoff. JB weld might work if you thought you could get enough in it before plugging the gas routing itself.



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showcrop

12-02-2019 14:57:34




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 Re: 861 power master fuel shut off valve problems in reply to Blueox4, 12-02-2019 12:48:33  
It is not necessary to remove the tank or manifold. You can loosen the tank in order to raise it a little, then remove the valve cover. It just rolls out.



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Blueox4

12-02-2019 15:48:23




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 Re: 861 power master fuel shut off valve problems in reply to showcrop, 12-02-2019 14:57:34  
As a quicker option, if I have to plow before I can replace the whole valve which I just ordered, can I fill the hole with a plug of JB WELD?



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pomester

12-02-2019 13:18:09




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 Re: 861 power master fuel shut off valve problems in reply to Blueox4, 12-02-2019 12:48:33  
here's a link to a picture thread associated with these valves - they are a reoccurring common problem - they can be replaced without removing the gas tank, but it helps if you are dentist (small nimble fingers) - since you a missing a special part I think you need to stir up a new valve (or find a used one to rebuild) - as a stop gap it might be possible to tap the two holes to pipe plug thread, plug them, and finish your plowing, but for all the fussing it would take, I'd find a new valve -

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Andy Wickiser

12-02-2019 13:11:29




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 Re: 861 power master fuel shut off valve problems in reply to Blueox4, 12-02-2019 12:48:33  
I've never seen the stem (screw) sold as a seperate item. The fuel shutoff valve can be removed and replaced without pulling the tank or manifold. There's plenty of info in the archives regarding the fuel shutoff valve.



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