[Farmall] ihc parts books online

[John Bailey]

Thank you very much for the great explanation and for the picture. I think I 
understand now.

John



----- Original Message ----- 
From: "Dean Vinson" <dean at vinsonfarm.net>
To: "'Farmall/IHC mailing list'" <farmall at lists.antique-tractor.com>
Sent: Saturday, December 20, 2008 12:25 PM
Subject: Re: [Farmall] ihc parts books online


> John, the way I remember how to polarize the generator is by saying "you
> jump from A to B."
>
> I tend to forget the science of it if I go very long without reading up on
> it or having somebody re-explain it to me.  Bigdog puts it very well: 
> "You
> are actually momentarily applying battery voltage to the generator 
> armature
> to set up the residual magnetic field in the generator so it will charge
> with the correct polarity."
>
> Battery voltage is available at the Batt terminal on the voltage 
> regulator.
> The A terminal on the generator is connected to the armature.  So to 
> "apply
> battery voltage to the generator armature" you just briefly touch a jumper
> wire between the Batt terminal on the regulator and the A terminal on the
> generator.  Or, since it doesn't matter which one you touch first and it's
> easier for me to remember it this way, I "jump from A to B."
>
> It also works exactly the same way if you do as Bigdog said, and "Take a
> short jumper wire and touch it to the Batt terminal and the Gen terminal 
> on
> the regulator or cutout".  The Gen terminal on the regulator is hard-wired
> to the A terminal on the generator, so touching either one has the same
> effect.  "Batt to Gen," "Batt to A," or "A to Batt" all do the same thing.
>
> The main thing is NOT to apply battery voltage to the F terminal.  I 
> forget
> the science of that too but I know it falls into the category of "bad
> things."
>
> And you're right, once you get a new regulator it'll be easy to see the
> "Batt" marking on one of the lugs.  On my M the Gen terminal is on the
> bottom of the regulator where it's hard to see, which is another reason I
> use the A terminal.  Here's a picture where you can see the short wire 
> from
> the A terminal looping around to the underside of the regulator, where it
> connects to the Gen terminal.
> http://www.vinsonfarm.net/photos/M_regulator_rewired.jpg.
>
>
> Dean Vinson
> Dayton, Ohio
> www.vinsonfarm.net
>
>
>
> -----Original Message-----
> From: farmall-bounces at lists.antique-tractor.com
> [mailto:farmall-bounces at lists.antique-tractor.com] On Behalf Of John 
> Bailey
> Sent: Saturday, December 20, 2008 11:52 AM
> To: Farmall/IHC mailing list
> Subject: Re: [Farmall] ihc parts books online
>
> The two terminals on my generator are labeled A and F. The voltage 
> regulator
>
> is a pile of rust.
> I supposed when I get a new regulator and have it all wired up "Batt" and
> "Gen" will be obvious.
> Thanks.
>
> John
>
>
>
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