[AT] El Diablo shift key

[Mark Greer]

If it were mine, I'd pull the old loose key that keeps falling out and measure it with something accurate. If it measures .250" or anything less, for a buck and a half, I'd get a stick of "oversize" keystock and cut a new key. I'd get the mating key slot very clean of grease/oil/crud and maybe use a dab of metal filled epoxy to hold the new key in place.

----- Original Message -----
From: Charlie V <1cdevill at gmail.com>
To: Antique tractor email discussion group <at at lists.antique-tractor.com>
Sent: Thu, 25 May 2017 08:32:22 -0400 (EDT)
Subject: Re: [AT] El Diablo shift key

Thanks, Mark.  I should have known that.  How quickly we forget.  Seemed
like a god idea last night.  Wonder if "file to fit " could help out in
this case. May depend on how well the keyway can be accessed.  ??

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On Thu, May 25, 2017 at 7:31 AM, Mark Greer <markagreer at embarqmail.com>
wrote:

> That not how this works - I sell these products and have since 1984. You
> aren't able to pick a specific amount of oversize or undersize.
>
> "Oversized" 1/4" keystock has a tolerance range from 0 to +.003" oversize.
> It could be anywhere from .250" up to .253". It is often referred to as
> "file-to-fit" keystock and is usually closer to the large end of the
> tolerance range.
> Oversize 1/4" keystock https://www.mcmaster.com/#98491A136
>
> "Undersize" 1/4" keystock has a tolerance range from 0 to -.003"
> undersize. It could be anywhere from .250" down to .247". It is often
> referred to as "loose fit" keystock and is usually very close to the
> nominal size.
> Undersize 1/4" keystock https://www.mcmaster.com/#98510A136
>
> Mark
>
>
> ----- Original Message -----
> From: Charlie V <1cdevill at gmail.com>
> To: Antique tractor email discussion group <at at lists.antique-tractor.com>
> Sent: Wed, 24 May 2017 22:24:15 -0400 (EDT)
> Subject: Re: [AT] El Diablo shift key
>
> Check this out, Don.  At $1.44 per foot you could order one each of .001,
> .002, and .003 over in hope at least one would be a snug fit.
>
> https://www.mcmaster.com/#key-stock/=17rtsdl
>
> Charlie V.
>
>
>
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> On Tue, May 23, 2017 at 9:32 PM, DonThiel <dwt at rrt.net> wrote:
>
> > All:   I have one of the famous IH model 666s, lovingly referred to as
> > El Diablo.    There is a key (approx 1/4 x 1/4 x 1 1/2) in the shift
> > linkage that keeps falling out when I move the shift lever to the 4-5
> > side of the range.  Then I get to dig around to find wherever it fell to
> > and try to get it slid back in place.   This takes three hands and a
> > flashlight.  Cuss words optional.   The key is supposed to stay in place
> > by friction, but I am guessing the slot is worn.    Other than never
> > shifting to 4-5, anyone got any good suggestions for me?   Do I have my
> > trusty machine shop make me a larger key?   How much larger?    Cannot
> > reach it with a calipers to measure the slot slop.
> >
> > Thanks.
> >
> > Don
> >
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