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<p>Is there anything in or around the shop that could have abruptly
demagnetized the magnets...some of the older 'permanent magnet'
metal recipes weren't all that permanent, although I never heard
of one getting de-magged so abruptly!</p>
<p>Mark J<br>
</p>
<div class="moz-cite-prefix">On 5/21/2020 12:55 AM, Dean VP wrote:<br>
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<div dir="ltr" data-setdir="false">Was helping a friend today
testing out some carburetors and Magneto's on his 1936 JD B. A
very strange thing occurred. I was in charge of clean ing
Magneto's up and getting them to the point that they would
deliver spark manually on the bench. Then we would install
them on a tractor and get the tractor running. I went though
one Magenta pretty thoroughly and was getting really good
spark out of both ports on the bench. Install it on the
tractor absolutely no spark. Could hear a really good
impulse. We tried tightening it up tighter and also loosening
it up. No change ...no spark. Blew me away I was getting
really GOOD SPARK MANUALLY NOT MORE THAN A FEW MINUTES BEFORE.
W hat in the sawmill would cause something like that. The
only thing we didn't check was to see if the Magneto was
getting grounded properly to the governor. That is the only
thing I can think of right now. What other reasons would cause
this strange event??? Really weird.</div>
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