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Farmall & IHC Tractors Discussion Forum
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md magneto

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jim in ny

05-26-2005 05:12:58




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trying to breath some life into this old bugger and I don,t seem to have any spark. dont know the 1st thing about mags tried unhooking what i think is the ground wire on the side -no luck any help would be appreciated thanks




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El Toro

05-26-2005 17:16:14




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 Re: md magneto in reply to jim in ny, 05-26-2005 05:12:58  
If you ever decide to have that mag rebuilt you
need to see where the rotor is pointing and make a note of it. I would write it on paper too.

This is so you don't have to crank the engine over to the compression stroke when No1 piston is at TDC. Once you have noted the rotor position
and have removed the mag don't crank or turn the engine over. Remove the battery ground until you get mag back and rotate the rotor to the same position as when you removed the mag. Make sure your rotor is in the same position before attempting a start. Hal

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jim in ny

05-26-2005 16:14:14




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 Re: md magneto in reply to jim in ny, 05-26-2005 05:12:58  
thanks guys will try sugestions first chance Iget



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RickB

05-26-2005 15:42:10




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 Re: md magneto in reply to jim in ny, 05-26-2005 05:12:58  
The IH mag point gap is smaller than the IH distributer point gap. .014" if I remember correctly.



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MagMan

05-26-2005 10:14:24




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 Re: md magneto in reply to jim in ny, 05-26-2005 05:12:58  
Hey JIM, If you take the coil wire out of the dist cap and hold it 1/4" to 1/2" away from the post on the side that you took the ground wire off from and turn the old girl over what do you get for spark if any. Let me know and yes I can rebuild that for you if you need I live in central NY JON



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El Toro

05-26-2005 05:26:10




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 Re: md magneto in reply to jim in ny, 05-26-2005 05:12:58  
You may need to clean the points. Pass a point file through the points or use 400 paper to shine those points. Then set the point gap to .013". Then try and make a start.

If you still have no spark it could be the condenser or the coil. The MagMan posts on here
quite often and he lives in NY. He also rebuilds
mags. You could post for him to respond. "Hey MagMan need help". Hal

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