[Farmall] H water pump pulley

jtchall at nc.rr.com jtchall at nc.rr.com
Wed Feb 25 15:19:16 PST 2015


OK, just looked them up on McMaster and see how they work. Looks like they 
may work in a drilled hole, depending on how accurate it is, a reamed hole 
should be better. Are these reusable or once you compress it does it fail to 
open back up enough to use again?

John Hall


-----Original Message----- 
From: szabelsk at gdls.com
Sent: Wednesday, February 25, 2015 6:52 AM
To: Farmall/IHC mailing list
Subject: Re: [Farmall] H water pump pulley

It's called a Grooved Pin. The one that Farmall used on the pump for the H
is 1/8 inch diameter by 1 inch long, Type A.  The part number is 142488.
The concept in that the pin is slightly smaller than the hole it goes
into, however the pin has been slightly enlarged at the grooved end. The
groove allows the pin to be squeezed a little so that it fits snugly into
the hole and stays in place. They're supposed to be great for vibration.

You can find info on them by doing a search on the internet using "GROOVED
PIN".


Carl Szabelski


The Borg Are Wrong, Resistance Is Not Futile ..... It's Voltage / Current



From:   <jtchall at nc.rr.com>
To:     "Farmall/IHC mailing list" <farmall at lists.antique-tractor.com>,
Date:   02/24/2015 06:33 PM
Subject:        Re: [Farmall] H water pump pulley
Sent by:        farmall-bounces at lists.antique-tractor.com



Wow, wish I could see this thing. I can't recall ever seeing a pin of this

type, anybody know the proper name for this type of pin? I'd love to
figure
out what it is and look it up in my machinist handbook.

Thanks for the help guys.

John


-----Original Message----- 
From: David Steinich
Sent: Tuesday, February 24, 2015 8:41 AM
To: Farmall/IHC mailing list
Subject: Re: [Farmall] H water pump pulley

If they've got the pulley assembly off the pump, they can remove the
bearings, clean it up well, and drive that pin into the center hole of the
hub. Then the real fun begins  - the pulley and hub have probably been
together over 50 years and might not want to be separated...
On Feb 23, 2015 8:58 PM, <jtchall at nc.rr.com> wrote:

> You mean a roll pin? According to what the guy told my dad, the hole
> doesn't
> go through, its blind. I'd love to have seen it.
>
> John
>
> -----Original Message-----
> From: Barney Van De Weert
> Sent: Monday, February 23, 2015 9:26 PM
> To: Farmall/IHC mailing list
> Subject: Re: [Farmall] H water pump pulley
>
> I vaguely remember IH using a pin that had a slot on the side to hold
> stuff
> together back then-   Barney Van De Weert
>       From: "jtchall at nc.rr.com" <jtchall at nc.rr.com>
> To: farmall <farmall at lists.antique-tractor.com>
> Sent: Monday, February 23, 2015 7:37 PM
> Subject: [Farmall] H water pump pulley
>
> Dad got a call today wanting to now how to get the back half of the
pulley
> off of an H water pump, guy said it had some sort of pin in it that
didn?t
> appear to go through. Dad doesn?t remember and I?ve never worked on one.

> My
> only thought was it?s a taper pin, but I?ve never seen those used
anywhere
> other than the gearbox on a lathe. Anybody know how it comes apart?
>
> John Hall
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