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Re: [oletrucks] Thread dimensions

To: "Bob Fischer" <r.fischerjr@worldnet.att.net>,
Subject: Re: [oletrucks] Thread dimensions
From: "K. M. Lehmann" <klehmann@bentonrea.com>
Date: Fri, 14 Nov 2003 16:27:50 -0800
Good Idea Bob, as most people only use parking brake for vehicle inspection.
Lee
----- Original Message -----
From: "Bob Fischer" <r.fischerjr@worldnet.att.net>
To: "Mark Self" <mark.self@verizon.net>; "Oletrucks"
<oletrucks@autox.team.net>
Sent: Friday, November 14, 2003 12:17 PM
Subject: Re: [oletrucks] Thread dimensions


> Hi Mark,
> I know I said this B4 but you have to be close to get'n that baby goin.
>
> Checked the threads on the original 49 rear, still set'n on the back of
the 53 COE, and they're 5/16-24.
>
> I don't recall what rear you're put'n in that truck but you may want to do
as I did and just loop the cables
> from the later rear around the clevis, where the threaded portion on the
end of the cable would go and clamp it down
> with hardware store garage door hardware.
> Adjust the front portion off the pedal to the horizontal bar first of
course, so you'll have max adjustment
> later. I've been using this arrangement for over two years and I haven't
had to adjust it yet, nor have I had any problems with
> the shade tree engineering :)
> Here are a couple shots of the rt side:
> <http://home.att.net/~bobspl/pix/49brake.jpg>
<http://home.att.net/~bobspl/pix/Embrake.jpg>
>
>
> >I'm trying to figure what the thread pitch is on my '55 1st 3100 1/2 ton
> >emergency brake clevis.  There is a clevis connected to the bell cranks
on
> >both ends of the emergency brake cross shaft.  One is just outboard of
the
> >frame just behind the cab and the other is on the passenger side.  I have
both
> >clevis's, but the parts that connect it to the emergency cables (and the
> >cables themselves) that go to the brake drums are long gone.  It appears
that
> >there is rust and dirt in the threads.  They are 5/16" but I tried both
24 and
> >16 pitch.  The 24 pitch seemed to work best, but only threaded in 4 or 5
> >threads, before it stopped.  Before I get the thread chaser out could
someone
> >tell me the correct pitch, so i don't mess these clevis's up.
> >
> >Thanks, in advance.
> >oletrucks is devoted to Chevy and GM trucks built between 1941 and 1959
>
> "Nothin lasts forever except old Fords and a natural stone" - Willie
Nelson
>
>   http://Bobsplayce.home.att.net   e-mail -->r.fischerjr@att.net
> oletrucks is devoted to Chevy and GM trucks built between 1941 and 1959
oletrucks is devoted to Chevy and GM trucks built between 1941 and 1959

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