[Farmall] Zenith Stuck Jet Removal

[Kurt Sutheimer]

Get a new/used carb replacement.  
 

> Date: Thu, 26 Jul 2012 21:45:04 -0400
> From: supera1948 at gmail.com
> To: farmall at lists.antique-tractor.com; at at lists.antique-tractor.com
> Subject: [Farmall] Zenith Stuck Jet Removal
> 
> Hello,
> 
> I am in the process of rebuilding a Zenith carburetor on a Gravely L; I 
> know this is a tractor group, but we do have Zeniths on tractors! This 
> Zenith is nearly identical to the ones on my Farmall A's. Someone along 
> the way attempted (vainly) to remove the brass
> 
> ~main jet
> ~main jet passage plug
> ~well vent jet
> ~idle jet
> 
> and did a terrible job of using a screwdriver. The notches are 
> stripped! Furthermore, whoever installed them either torqued the jets 
> or applied a sealant. I had enough left to get my screwdriver in place, 
> but even after days of soaking in penetrating fluid, the parts will 
> still not budge. My screwdriver doesn't have enough power, even clamped 
> in a vise with all my weight on the turn. I don't want to damage the 
> aluminum bowl, or the threads, so I need a way to extract these stubborn 
> parts.
> 
> I was able to remove the needle seat with my screw extractors since the 
> notches were stripped on it also. However, the little jets are either 
> too shallow for my extractors to get enough grip into the brass, or they 
> are too small for any jet.
> 
> Has anyone encountered a similar issue? How did you get these stubborn 
> characters out?
> 
> Thanks for your help,
> Ben Wagner
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