Farm Equipment - magneto

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magneto

Printed From: Unofficial Allis
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=10711
Printed Date: 23 Jan 2025 at 7:25am
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Topic: magneto

Posted By: dirtyredcub
Subject: magneto
Date Posted: 06 Apr 2010 at 11:58pm

any body got advice before i tear my magneto apart to replace the coil? what is the points gap? do you static time it like a farmall cub? it is a 1949 model c, thanks

Replies:

Posted By: trhod12
Date Posted: 07 Apr 2010 at 4:50am

Here is a real good explanation about the magneto:

http://www.worldpath.net/~thompson/acb/magtiming/magtiming.htm - http://www.worldpath.net/~thompson/acb/magtiming/magtiming.htm

The point gap, if I am not mistake, is 0.020.

Hope this helps

Posted By: dirtyredcub
Date Posted: 08 Apr 2010 at 10:31pm

thanks good info. i got the magneto coil and it does not look exactly like the one on the tractor. the magneto is fairbanks morse x-4 b-3. is that the usual magneto for a 49 "c"? and how do you get the metal gear off to clean the insides? i took the c ring off but couldn't get the gear to slide at all. any help is greatly appreciated!