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Ford 9N, 2N & 8N Discussion Forum

Fuel reserve, how's it work?

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Jim J (WA)

06-13-2004 15:43:57

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The book for my '47 8N says that i have a 9 gallon fuel tank and a 1 gallon reserve. my question is: can anyone tell me how the reserve operates? i have the standard glass sediment bowl. i turn on the fuel and she'll flow fuel 'till it runs out. if i have an extra gallon of fuel in her, i don't know how to get it out of the tank. any help is appreciated.

Thanks..... ..... .Jim

My 8N

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Jim J (WA)

06-14-2004 17:25:13

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Re: Fuel reserve, how's it work? in reply to Jim J (WA), 06-13-2004 15:43:57

Thanks for the help guys. it's clear now that my 8N has the wrong bowl on it. i'll be ordering up a new one soon.

Thanks again..... ...Jim

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Ramon

06-14-2004 09:05:51

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Re: Fuel reserve, how's it work? in reply to Jim J (WA), 06-13-2004 15:43:57

OW! you should take that IH part off your Ford! Your Ford will thank you!

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Jim J (WA)

06-13-2004 22:10:53

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Re: Fuel reserve, how's it work? in reply to Jim J (WA), 06-13-2004 15:43:57

this afternoon i drained the tank and took the bowl out. i'm attaching the pictures i took of it.
i'm now wondering if i have the correct sediment bowl in my N. it doesn't have the screen that goes up in the tank (it could have fallen off and be floating in the tank with the screwdriver i found there) or the double tube that Tim posted the picture of (which is the only way i think it could work). looking at it i can't for the life of me figure out how it could possibly hold any fuel back for reserve. what do you guys think? does this look like the right piece?

Thanks for helping..... .....Jim

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Rob

06-14-2004 07:57:15

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Re: Re: Fuel reserve, how's it work? in reply to Jim J (WA), 06-13-2004 22:10:53

That's not the right valve. Your farm/ranch store will have the right valve and it will be identified as going on the N tractor. The right on has instructions stamped into the round handle. FNH has it.
Other valves look like it but are not correct. Get the one labled for use on the 1939-1952 Ford tractor.
The proper valve does not have two tubes. It has one tube and a hole. The tube sticks up beyond the top of the screen.

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TIMW(pa)

06-14-2004 18:59:36

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Re: Re: Re: Fuel reserve, how's it work? in reply to Rob, 06-14-2004 07:57:15

Look closer at my pic....It dosen't have two tubes. The larger one is the top of the screen one tube and one hole at the bottom....It is the correct one for the Ns

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Rob

06-15-2004 04:39:11

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Re: Re: Re: Re: Fuel reserve, how's it work? in reply to TIMW(pa), 06-14-2004 18:59:36

If it has a set up with the hole and will completely drain the tank when full open to reserve it will work. The Ford valve has a something like 1 1/2" tube which gives you a 1 gal reserve. Your valve seems to have a shorter tube but that might not be a big deal just less reserve. It would work for me because it's only a quarter mile back to the barn.
You might be able to make it the same if you got the valve stem and handle from Ford. That would give you a knob with instructions stamped in it. How many turns to full open that valve? The Ford valve must be 6 to 8 turns to full open. 2 turns for normal operation.

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TIMW(PA)

06-14-2004 04:33:14

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Re: Re: Fuel reserve, how's it work? in reply to Jim J (WA), 06-13-2004 22:10:53

It dosen't look like it is an original, at least the ones Ive seen. The screen and primary tube is longer on the one I pictured. You could achieve the same effect on yours by removing the valve stem and drilling a small hole down from the shoulder where the threads end. But a new one is available so I would just order one...Tim

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(PIC)...TIMW(PA)

06-13-2004 19:07:01

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Re: Fuel reserve, how's it work? in reply to Jim J (WA), 06-13-2004 15:43:57

Here is a picture of mine. It was so gunked up I couldn't find it for a long time....I kept prodding around with a thin peice of stiff wire and carb cleaner till I fianlly broke through. The pic is looking down on the screen assembly that goes up into the tank. I have a little flashlight bulb sticking in the valve stem port so that you can see both holes. The top hole is the reserve and the bottom hole coming up in that short lenght of tube is the normal one....HTH Tim

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BOB

06-13-2004 17:31:40

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Re: Fuel reserve, how's it work? in reply to Jim J (WA), 06-13-2004 15:43:57

Jim,as you have learned that fuel bowl needs turn to reserve once in a while it helps keep all the crud out of there. and if screen is bad at top in tank makes this problem worse.

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roger '40 9n

06-13-2004 16:15:55

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Re: Fuel reserve, how's it work? in reply to Jim J (WA), 06-13-2004 15:43:57

If you have the standard fuel shut off valve two turns open is regular. Full open is reserve. The regular position pulls fuel from a tube that stands about one inch above the bottom of the tank. The reserve position gets fuel from the bottom of the tank.

There should be a screen attached to the shutoff valve sticking up into the tank around these two inlets. This screen often rots away letting crud from the bottom of the tank into the reserve port.

Roger in Michigan

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Jim J (WA)

06-13-2004 16:24:09

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Re: Re: Fuel reserve, how's it work? in reply to roger '40 9n, 06-13-2004 16:15:55

Thanks Roger
i figured that it worked something like that, but it doesn't seem to be working right. i guess i'll be draining the tank and pulling the valve out to see what's up inside.

Thanks again..... ..... Jim

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