[AT] Super A Carb Leak

charlie hill charliehill at embarqmail.com
Tue Jul 6 06:21:10 PDT 2010


Ben check the needle valve and seat again.  Make sure it is adjusted right. 
These old carbs tend to leak like that.  I'm not to good at getting them 
adjusted right myself so I make sure my shutoff valve works right.

Charlie

--------------------------------------------------
From: "Ben Wagner" <supera1948 at gmail.com>
Sent: Tuesday, July 06, 2010 8:48 AM
To: "At" <at at lists.antique-tractor.com>; "Farmall/IHC mailing list" 
<farmall at lists.antique-tractor.com>
Subject: [AT] Super A Carb Leak

> Hello,
>
> My Zenith 11115 Carburetor is leaking gas from the hole/drain in the
> choke passage.  The carb leaked after I rebuilt the engine, and I
> replaced the float and the needle valve.  That seemed to fix the leak
> until I ran it.  Once I killed the engine, it began to leak after about
> an hour.  And yes, the fuel is shut off, though my shutoff valve does
> not completely seal, allowing a little dribble from the gas tank into
> the fuel line.
>
> So what do I need to do?  Should I replace the the fuel shutoff valve?
> Even if the shutoff drips into the fuel line, the float/needle should
> stop the gas from getting into the carb, right?  The only other option I
> can think of is that my float is not adjusted correctly, and that would
> change the bowl level, which could perhaps allow an overflow into the
> choke passage?
>
> Thanks in advance for your replies.
> Ben Wagner
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