<VV> Flare nut wrench size

[Sethracer at aol.com]

I read Dennis' reply. Basically, Tom, to get to the filter, you will have  
to remove the big nut. But to remove the big nut, the fuel line must be 
removed,  and pulled back. And that fuel line should be backed off first, to 
preserve  the integrity of the fuel lines On a 140 motor, both the primary and  
secondary fuel lines must be removed from the big nuts, to replace either  
filter. (Unless you want to start disassembling lots of tubes and fittings.) 
The  big nut is best held in place by a large "Crescent" wrench, while the  
flare-nut wrench - Dennis mentions a 7/16" - loosens and retreats the SAE  
inverted flare nut, mounted on the fuel line. Then you can use the large  
Crescent wrench to remove the big nut. Reverse order to install. Tighten that  
big nut first tight but carefully into the Carb body before inserting the 
line  nut. On a 140 start both line nuts into the large nuts before 
tightening down  either one. - Seth
 
 
In a message dated 9/2/2014 2:37:44 P.M. Pacific Daylight Time,  
virtualvairs at corvair.org writes:

Folks,

What size flare nut wrench do I need to get at the  carburetor fuel 
filters? 

--Tom in  Ohio
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