[Farmall] Sector Gears

[George Willer]

Mark,

Good luck.  It should work just fine.  You can test your result with a file
afterward... it should just skid off rather than cut.  We've used the
technique to make shaper cutters from mild steel.

Most of the problems with Marilyn's M have been taken care of and now it's
just waiting for the cosmetic work.  So many projects and so little time.  I
was able to get a lot more done before I retired.

George Willer

----- Original Message ----- 
From: "Mark Sargent" <bucksargent1 at yahoo.com>
To: <farmall at lists.antique-tractor.com>
Sent: Wednesday, July 21, 2004 4:00 PM
Subject: Re: [Farmall] Sector Gears


>
> George, John, Steve, Carl, Farmer
> Thanks for the advice--  I'm going to try the Smoky
> flame or Charcoal to try to add the carbon- couldn't
> hurt-  besides it sounds almost like magic-   now if I
> can get another element like a magnet worked in the
> process- I'll invite some guys from uptown to watch!
> I've emailed a couple of salvage yard- to get prices
> on used one.   But the gear I'm working on will 'look'
> good when I put it back on.  Just concerned about the
> wear.   I used 6013 rod on it - because that is what I
> had.
> I replied earlier but the - ATIS 'bouncer' deleted my
> posts - I guess- Hope this one takes.
> BTW-   George - how is Marilyn's M coming along?
> Thanks !
> Mark Sargent
>
> -----Original Message-----
> From: "soffiler at myeastern.com"
> <soffiler at myeastern.com>
> Sent: Jul 21, 2004 5:40 AM
> To: Farmall/IHC mailing list
> <farmall at lists.antique-tractor.com>
> Subject: Re: [Farmall] Sector Gears
>
> Hey George (& Mark):
>
> How about heating it up, then packing it in charcoal
> while
> still very hot and letting it cool very slowly?
> That's my
> understanding of how our vendor case-hardens
> production
> parts here at work.  We routinely case-harden 12L14
> although
> it's not terribly well controlled it seems to work
> reasonably well.
>
> Best regards,
> Steve O.
>
> From: "George Willer" <gwill at toast.net>
>
> ----- Original Message Follows -----
> > Mark,
> >
> > Unless you used some kind of special welding rod,
> the
> > welds won't contain enough carbon to respond to heat
> > treatment.  One thing you could maybe do... heat the
> > sector gear with a torch to a bright red and hold it
> there
> > for a while with a smoky flame.  The hot steel will
> absorb
> > some carbon.  That will add enough carbon to the
> surface
> > to harden when quenched for a crude form of case
> > hardening.  Do it after all your shaping is done,
> since
> > the hardening will be very shallow... depending on
> time.
> > Drawing the temper should not be necessary, since
> the core
> > will remain soft.
> >
> > George Willer
> >
> > ----- Original Message ----- 
> > From: "Mark Sargent" <bucksargent1 at yahoo.com>
> > To: <farmall at lists.antique-tractor.com>
> > Sent: Tuesday, July 20, 2004 4:09 PM
> > Subject: [Farmall] Sector Gears
> >
> >
> > > Farmall guys-
> > >
> > > Does anyone know of a source for M Farmall Sector
> > > gears?
> > > I suspect if there are - I can't afford them-- but
> let
> > > me know- I'd appreciate it.  I bought the Upper
> > > bolster OH kit from C & G - but I don't want to
> put it
> > > back together - and still have the 'speed wobble'
> on
> > > the fastest M in western Ohio- due to the sector
> gear
> > > being worn.
> > >
> > > In the meantime I'll  continue to file the 'welds'
> - I
> > > used to fill the 'clatter' indentations-- on the
> one I
> > > took off.   The welds are softer than the gear- so
> I
> > > suspect I better do a home imitation of heat treat
> on
> > > the teeth when I'm done-   Has anyone done this?--
> any
> > > words of wisdom are appreciated!
> > > Thanks
> > > Mark Sargent
> > >
> > >
> > >
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