<VV> Flare nut wrench size

[Jay Maechtlen]

Of course, using an open-end adjustable ('crescent') wrench is a real 
poor idea on highly torqued fasteners.
On something like the carb's big nut - what's the issue? Unless someone 
used locktite on the dumb thing, it should be fine.
Of course, that wrench you have is a lot nicer!
Yes, I greatly prefer the 'right tool'.
Bu something that's just 'good enough' is the right tool!


On 9/2/2014 5:36 PM, Dennis Pleau via VirtualVairs wrote:
> There no bolts on a Corvair or another piece of equipment that requires a
> 'Crescent' Wrench.  I was famous for saying this when I was an Equipment
> Engineer at the world's largest semiconductor manufacture.  Every one of our
> technicians had every proper wrench, but many of them usually chose to round
> off bolts with 'Crescent' wrenches.
>
> My usual serenade, was 'you are working on a piece of equipment that cost
> more than twice the cost of a Royals Royce, would you like the mechanic
> working on you car to use the proper wrench or a 'Crescent' wrench?
>
> dp
>
> -----Original Message-----
> From: VirtualVairs [mailto:virtualvairs-bounces at corvair.org] On Behalf Of
> Sethracer--- via VirtualVairs
> Sent: Tuesday, September 02, 2014 4:43 PM
> To: thesuperscribe at yahoo.com; virtualvairs at corvair.org
> Subject: Re: <VV> Flare nut wrench size
>
> 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
>   
>
>
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-- 
Jay Maechtlen SoCal '61 2-dr modified w/fiberglass skin, transverse 3.8 
Buick V6 TH440T4 trans

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