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IH706 Leaks Fuel Out Bottom of Carb

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Handy Hank

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Subject: IH 706 Leaks Fuel Out Bottom of Carb
Body of Message:
My 706 is leaking fuel when I open the valve on the sediment bowl. It"s leaking from the very bottom of the carb bowl where there is a "cylinder" molded into the bottom half of the housing. If I had a picture, I"d circle it...it"s not the drain plug and not the selenoid. The "cylinder" is on the very bottom of the carb and I have no idea why it"s there. I could probably seal it with JB Weld, but don"t want to make any permanent changes until I know what that thing is for.

Can anyone help?
 
It like a solonid. When the tractor shuts off its suppose to shut off the fuel flow. The briggs engines do the same thing they will go bad over time and wont work in turn letting the carb get to much fuel. Another thing could be you got somthing under your needle so it wont shut off when the bowl is clean and its trying to seat.
Good luck
Little Acre's
Austin P
 
That hole is supposed to be there. It is to allow condensation to escape from the carb. There is a filtering media, made from felt, inside the cavity to prevent dirt and dust from entering. If there is gasoline dripping from this hole, the carburetor has a defective needle valve and seat, or the float has a hole in it, or both. In any event, the issue will not go away all by itself. You need to find a mechanic who is familiar with those carburetors to repair it for you.
 
Ok, thanks guys. I had some water in my fuel earlier this fall and I think the float may be stuck/frozen too. I'll take the carb off and take a look at it.

Thanks for all your help!
 
I had the carb apart to clean it after the "water in the fuel" incident and it looked great. The float was in great condition - no holes or anything. I think you're right though, the needle may be stuck and/or the float may be stuck too.
 
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