Farm Equipment - For the Magneto guys

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For the Magneto guys

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Category: Allis Chalmers
Forum Name: Farm Equipment
Forum Description: everything about Allis-Chalmers farm equipment
URL: https://www.allischalmers.com/forum/forum_posts.asp?TID=48650
Printed Date: 23 Aug 2025 at 8:30am
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Topic: For the Magneto guys

Posted By: dave63
Subject: For the Magneto guys
Date Posted: 08 Apr 2012 at 11:59am

The neighbor kid asked for some help with his WD, So first things first and that was the Battery. Then no fire so we pulled the mag took it to my shop and went through the troubleshooting process. We simply don't have enough current off of the coil. So i thought i would check a few of the other ones that i have here since i will need to get a few of them working here before to long. Ended up with 4 cold Mags.

I know i can send them out and have them redone, i'm not so interested in doing that since i have over 30 years of motor and control experiance.

The question is can any of you guys point me to a site or a resource for building or buying a coil to re energize the magnet in these? And how available are FM coils, impulse parts and any of the parts in the mags besides points, condensor, rotor and caps?

Cane you point me to a source for these parts.

Thanks for your help

Dave

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The universal answer to all questions is yes, how much do you want to spend?

Replies:

Posted By: Gary in da UP
Date Posted: 08 Apr 2012 at 12:04pm

Dave , you can read thru this and see if it is some thing you want to persue,

http://www204.pair.com/bbg46/FM%20Mag%20Manual/Magneto%20Service%20Practices%2849-64%29.pdf" rel="nofollow - http://www204.pair.com/bbg46/FM%20Mag%20Manual/Magneto%20Service%20Practices(49-64).pdf

Posted By: Brian Jasper co. Ia
Date Posted: 08 Apr 2012 at 5:40pm

Fairbanks-Morse coils should be easy to come by. I have recharged the magnets in F-M and Wico mags by wrapping a spool of wire around them and giving them a shot with a 10 amp battery charger. If you have the metal working equipment required, you can build a good magnet charger.

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"Any man who thinks he can be happy and prosperous by letting the government take care of him better take a closer look at the American Indian." Henry Ford

Posted By: stu(ON)
Date Posted: 08 Apr 2012 at 7:20pm

Let us know when you've had enough:

http://www.magnetoparts.com/inst_guides/charger/page1.htm" rel="nofollow - http://www.magnetoparts.com/inst_guides/charger/page1.htm

http://gasengine.farmcollector.com/Farm-Life/MAGNETO-CHARGER.aspx" rel="nofollow - http://gasengine.farmcollector.com/Farm-Life/MAGNETO-CHARGER.aspx

http://gasengine.farmcollector.com/restoration/how-to-build-and-use-a-homemade-magneto-magnet-charger.aspx" rel="nofollow - http://gasengine.farmcollector.com/restoration/how-to-build-and-use-a-homemade-magneto-magnet-charger.aspx

http://gasengine.farmcollector.com/Equipment/SERVICING-MAGNETOS.aspx" rel="nofollow - http://gasengine.farmcollector.com/Equipment/SERVICING-MAGNETOS.aspx

http://www.oldengine.org/members/diesel/FairbanksMag/MagFmBook.htm" rel="nofollow - http://www.oldengine.org/members/diesel/FairbanksMag/MagFmBook.htm

http://www.magnetoparts.com/mag_docs/fm/j4_inst.pdf" rel="nofollow - http://www.magnetoparts.com/mag_docs/fm/j4_inst.pdf

http://www.magnetoparts.com/" rel="nofollow - http://www.magnetoparts.com/

It's a lot easier to have Steve in NJ repair stuff, or supply parts, if you want to Do It Yourself.

Posted By: dave63
Date Posted: 09 Apr 2012 at 6:18am

Thanks for the info.

Its always easier to have someone else do it but its not as much fun.

Every person has a differant idea of what fun is. I am haveing fun learning about it. I think i would enjoy fixing them. I just need to decide weather or not i want to invest in the proper tools.

I think everyone would agree that haveing the proper tools makes the differance between enjoying what you do and not.

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The universal answer to all questions is yes, how much do you want to spend?

Posted By: Larry(OH)
Date Posted: 09 Apr 2012 at 6:37am

Hey Gary, what is that Mag info from? That seems like some cool reading material there after looking through it

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'40 WC puller,'50 WD puller,'50 M puller '65 770 Ollie

*ALLIS EXPRESS contact*

I can explain it to you, BUT I cannot understand it for you!!

Posted By: Bill Long
Date Posted: 09 Apr 2012 at 9:25am

Dave, If you need parts or just get tired of fooling with the mags call Steve B&B. He has the parts and the expertise to be of whatever assistance you need.
You know, at Steve's display at the NY GOTO in 2003 it really brought back some very old memories to just hold a few of the mag parts that we used.
See you in May at Fred Wilke's.
Good Luck!
Bill Long

Posted By: Steve in NJ
Date Posted: 10 Apr 2012 at 8:46am

Thank you Bill & Stu. We can help you out with parts, infor, or service if you need it. Be happy to help you out. E-mail us at mailto:customcircuits@gmail.com" rel="nofollow - customcircuits@gmail.com if interested.......

mailto:Steve@B&B" rel="nofollow - Steve@B&B