Coil / condenser question

Farmall M, Super M, 400, 450 & 560 Tractors, 1939-1963

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Coil / condenser question

Postby BJ Moretz » Mon Nov 19, 2012 2:49 pm

Hi Guys
I hope everyone had a nice weekend. I have a 42 M that was converted to 12 V. Well most of it got converted. I just switched over the starter. It needed a rebuild badly anyway. The motor ran fine and did not hiccup. As soon as I got the alternator working the motor began to cut off after a few minutes. The time it would run would get shorter the more I tried to run it. I tried pulling out the choke as soon as it began to lose power but it did not help. Pulled out the carberator bowl drain and had plenty of flow. It reacted the same as if I killed the ignition, no spitting or sputtering. I checked the ignition switch too. Jumped it out at one point I ordered a new coil this morning thinking maybe it was bad and it could still be 6 v too. Does a bad condensor act this way too ? I am replacing the points and condensor tonight. The battery voltage was just below 12 v prior to fixing the alternator, just under 14 v after.

Thanks
BJ Moretz
Member Chapter 42 IHCC
1970 Farmall Cub
1533 MF
1310 Ford
1946 Farmall B
1942 Farmall M
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Re: Coil / condenser question

Postby John *.?-!.* cub owner » Mon Nov 19, 2012 8:17 pm

If you only converted the starter,the coil is probably overheating. It needs a dropping resister in series with it, or to be replaced by a 12 volt coil (with internal resister).
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Re: Coil / condenser question

Postby BJ Moretz » Tue Nov 20, 2012 9:38 am

Thanks for the info John. I have a new 12 volt coil with resistor on the way. The PO converted it, now I am converting what he didn't. :-)
Happy Thanksgiving
BJ Moretz
Member Chapter 42 IHCC
1970 Farmall Cub
1533 MF
1310 Ford
1946 Farmall B
1942 Farmall M
1200 Cub Cadet
User avatar
BJ Moretz
Cub Star!
Cub Star!
 
Posts: 248
Joined: Wed Apr 20, 2011 10:34 am
Location: Patterson NC
Zip Code: 28661
Tractors Owned: IHCC Chapter 42
1985 Ford 1310
2007 MF 1533
1942 Farmall M
1970 Farmall Cub
1946 Farmall B
1200 Cub Cadet
Circle of Safety Award
Circle of Safety: Y


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