[AT] magneto question

[John Paur]

Often the points on the mag will corrode when not being used.  Clean the
points and see if that doesn't correct the problem.  John

----- Original Message -----
From: "Kyle Sands" <willys_46 at mail.com>
To: "Antique tractor email discussion group" <at at lists.antique-tractor.com>
Sent: Saturday, June 17, 2006 9:30 PM
Subject: [AT] magneto question


> Hello folks - I have what may be a pretty basic magneto question.  I've
got a '38 John Deere B with a Wico C mag.  It's a project tractor that I got
running several years ago, but since then, it has been sitting undisturbed
but out in the elements - though I have kept the magneto covered and
protected.  I decided to start doing some more work on the tractor recently
and found that it does not spark anymore.
>
> To get it running back then, I had purchased a rebuilt magneto which of
course worked just fine then.  It has less than an hour's worth of run-time
on it, so is essentially still brand new.  I pulled the cap and everything
looks clean as a whistle, no burn marks, no pitting, no corrosion, nothing
that would indicate an obvious problem.  I'm wondering what sorts of issues
can arise from non-use that would cause a brand new mag to quit working?  (I
do know the problem has to be in the mag and not in the plug wires or plugs
because I swapped out those items from my running Model AW and didn't get
any spark either.)
>
> Also, to test the mag when it is not installed on the tractor, is it ok to
just ground a wire to the mag body and flip the impulse over by hand?  Or is
that not going to work or is it inadvisable?
>
> Thanks!
>
> Kyle Sands <><Alexandria, MN
>
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