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Magneto
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TMiller/NC View Drop Down
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Joined: 11 Sep 2009
Location: Lenoir, NC
Points: 1775 		Post Options Post Options   Thanks (0) Thanks(0)   Quote TMiller/NC Quote  Post ReplyReply Direct Link To This Post Topic: Magneto
    Posted: 03 Jan 2011 at 6:51pm
Been working on it for a couple of months (off & on), didn't know anything about  them when I started and don't know much now, the case was broken where the bottom mounting bolt goes and a chip was out of the top,  but I did get a spark out of it today... the gears didn't have any timing marks so the spark was on #4, so I'll have to re-time it to #1.  Pretty happy to just have a spark..........  This is an old FM with the one piece front cover.   Tim
 
Oh yeah I got the case repaired too.
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Brian Jasper co. Ia View Drop Down
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Joined: 11 Sep 2009
Location: Prairie City Ia
Points: 10508 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Brian Jasper co. Ia Quote  Post ReplyReply Direct Link To This Post Posted: 03 Jan 2011 at 8:35pm
Once you see how they work, it's pretty simple. The same identical technology is used on a lawn mower engine. If you can figure it out, pull the magnet out and recharge it. I have done many FM and Wico mags on Wisconsin engines. I don't think I could explain how to remove the magnet, (it's in the part that spins) but I have recharged them with a spool of wire and a 6 amp 12V power supply I built in high school. A strong magnet seems to help those old cantankerous Wisconsins start a little better.
"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
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D-17_Dave View Drop Down
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Joined: 11 Sep 2009
Location: Mocksville NC
Points: 990 		Post Options Post Options   Thanks (0) Thanks(0)   Quote D-17_Dave Quote  Post ReplyReply Direct Link To This Post Posted: 03 Jan 2011 at 9:31pm
I don't want to hijack this thread but, how do you recharge a magnet? Never heard of that. And if you can recharge one can you reverse the polarity of a magnet like this.
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Gerald J. View Drop Down
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Joined: 12 Sep 2009
Location: Hamilton Co, IA
Points: 5636 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Gerald J. Quote  Post ReplyReply Direct Link To This Post Posted: 03 Jan 2011 at 11:12pm
Reversing is harder than recharging. Just takes a strong magnetic field from a coil of wire and lots of DC current.

Gerald J.
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Boshears Carb & Mag View Drop Down
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Joined: 04 Jan 2011
Location: Bloomington IN
Points: 7 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Boshears Carb & Mag Quote  Post ReplyReply Direct Link To This Post Posted: 04 Jan 2011 at 12:45pm

Sounds like you have a FM K series mag. It is best to remagnetize the magnets while in the housing. If you have any questions send me an email or give me a call 812-272-0584.  Jeremy
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