The IH carb on my 1942 Farmall AV has this fitting on the inlet:
The inlet to this fitting is 1/8 pipe thread (straight, not tapered) with a built-in ferrule. A 5/16" brake line with 1/2" fittings that we usually use for a Cub is too big for it. It appears from the built-in ferrule that this fitting is for a flared pipe end.
Is this the correct fitting? If not, what is?
Would appreciate any help from members with the knowledge of what's supposed to go in there. Thank you.
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Carb Inlet Fitting
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Re: Carb Inlet Fitting
The outlet should have pipe thread and a screen (inside the cardboard tube in Indy61's picture). The inlet should be identical to the inlet of a Cub carb (compression fitting).
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Re: Carb Inlet Fitting
Jim Becker wrote:The outlet should have pipe thread and a screen (inside the cardboard tube in Indy61's picture). The inlet should be identical to the inlet of a Cub carb (compression fitting).
That's fairly close to what I have. Here's a couple pics:
And here's the Brillman pic with what I'm missing in red:
Wonder if you can buy just that piece without buying the whole thing? Will have to do some checking around...
Thanks!
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Re: Carb Inlet Fitting
I thought you had what was pictured in the first post. An adequate replacement for the nut comes on each end of most pieces of brake line. You just need a compression ring to go with each one.
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Re: Carb Inlet Fitting
Jim Becker wrote:I thought you had what was pictured in the first post. An adequate replacement for the nut comes on each end of most pieces of brake line. You just need a compression ring to go with each one.
The standard compression nut on the 5/16" steel fuel lines we all use for Cubs has an outside diameter of almost 1/2". The inlet diameter of this brass fitting is less than 7/16" (approx. 13/64"), so the larger compression nut won't work.
Thanks, but don't believe so, Don. Think that diameter and thread-count are the same as the 1/2-20 compression nut that comes with the standard 5/16" steel brake line; too big.
I'll keep looking...
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Re: Carb Inlet Fitting
OK. I missed that in your first post. I wonder if you can even use a 5/16 fuel line with what you have?
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Re: Carb Inlet Fitting
Don McCombs wrote:OK. I missed that in your first post. I wonder if you can even use a 5/16 fuel line with what you have?
Just going by what Steiner's sells, it states that it's a 5/16" fuel line with plain ends (I"m assuming 1/2-20 compression nuts and 5/16" ferrules):
https://www.steinertractor.com/IHS937?crawlparam&gclid=CjwKCAiA1rPyBRAREiwA1UIy8FwT0TsdEJJ0OtXMkYe8xP-bzD-q1jLBh22_1faZD6il0akgJe1jmxoCLlMQAvD_BwE
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Re: Carb Inlet Fitting
Let us know how you make out.
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Re: Carb Inlet Fitting
FYI, Steiner has two different "Carburetor Elbow With Strainer Assemblies", so if you are replacing the whole piece, make sure you get the correct one:
A 1/4" O.D. fuel line:
https://www.steinertractor.com/IHS966-Carburetor-Elbow-with-strainer-assembly-for-14-OD-fuel-line-
And the 5/16" O.D. fuel line:
https://www.steinertractor.com/IHS1124-Carburetor-Elbow-with-strainer-assembly
A 1/4" O.D. fuel line:
https://www.steinertractor.com/IHS966-Carburetor-Elbow-with-strainer-assembly-for-14-OD-fuel-line-
And the 5/16" O.D. fuel line:
https://www.steinertractor.com/IHS1124-Carburetor-Elbow-with-strainer-assembly
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1947 Farmall Circle Cub, serial #2116
1948 Farmall Cub, serial #46066 - Circle of Safety: Y
- Location: Lone Jack, MO
Re: Carb Inlet Fitting
Dale Finch wrote:FYI, Steiner has two different "Carburetor Elbow With Strainer Assemblies", so if you are replacing the whole piece, make sure you get the correct one:
A 1/4" O.D. fuel line:
https://www.steinertractor.com/IHS966-Carburetor-Elbow-with-strainer-assembly-for-14-OD-fuel-line-
And the 5/16" O.D. fuel line:
https://www.steinertractor.com/IHS1124-Carburetor-Elbow-with-strainer-assembly
Thanks, Dale. I missed that one. If my AV originally took a 1/4"OD fuel line, that could be why I'm having trouble finding a 5/16" sized one. The search continues...
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