[AJD] Wico C Magneto troubles

wjohnson wjohnson at bigriver.net
Mon Feb 28 18:34:33 PST 2005


Chris,
I'll bet if you clean the points good, it will work.  When it sets for a
short while, pressure lets the points make contact but loose it first
opening. I've had it happen several times.  I've found the best thing to
clean them with is borrow the wifes fingernail emery board.
Merle
-----Original Message-----
From: Chris C <jdnutinwa at yahoo.com>
To: Antique John Deere mailing list
<antique-johndeere at lists.antique-tractor.com>
Date: Mon, 28 Feb 2005 17:29:16 -0800 (PST)
Subject: RE: [AJD] Wico C Magneto troubles

> Dean,
> 
>     I think it is weird too.  When I test mags in my
> stand I run both wires to one plug, so I am not sure
> which port it is coming from.  I'll have to hook
> another plug in and see. But when I turn it,  I get
> one spark out of it,  then no more no matter how many
> turns I give it.   If I stop turning it,  and let is
> sit for a few seconds,  turn it again, it will give me
> one spark again...  
> 
>        Chris
> 
>         
> --- Dean VP <deanvp at att.net> wrote:
> 
> > Chris:
> > 
> > I'm not sure I understand when you state you only
> > get a spark on the first
> > turn!  You obviously know how to test a magneto off
> > the tractor so I don't
> > think it is necessary to go through that procedure. 
> > 
> > You must be getting the impulse or you wouldn't be
> > getting any spark at all.
> > You will get alternate sparks out of the two
> > ignition wire ports. I'm not
> > sure where to head with this. Maybe changing the
> > main bakelite case will
> > offer some solutions.  Seems to me if it gives one
> > good spark it should
> > continue to do so. I wouldn't expect the condenser
> > to go bad just because
> > the magneto had been dropped. Seems to me it would
> > take a heck of a force to
> > bend the shaft. Maybe the points got knocked out of
> > adjustment and close
> > after one lobe but not following the other? Check
> > the point opening (0.015)
> > and closure (0 ohms) through a full 360 degree
> > rotation. Maybe a broken
> > piece of the cap did some damage to the condenser,
> > condenser wire or points
> > or associated coil wiring??? A bit weird. 
> > 
> > Dean A. Van Peursem
> > Snohomish, WA 98290
> > 
> > I'm a walking storeroom of facts..... I've just lost
> > the key to the
> > storeroom door 
> > 
> > 
> > www.deerelegacy.com
> > 
> > http://members.cox.net/classicweb/email.htm
> > 
> > 
> > 
> > -----Original Message-----
> > From:
> > antique-johndeere-bounces at lists.antique-tractor.com
> >
> [mailto:antique-johndeere-bounces at lists.antique-tractor.com]
> > On Behalf Of
> > Chris C
> > Sent: Sunday, February 27, 2005 7:52 PM
> > To: ATIS LIST
> > Subject: [AJD] Wico C Magneto troubles
> > 
> > I have more magneto problems that the rest of the
> > world,  it seems.
> > 
> >     I bought a nice Wico C off of Ebay last month. 
> > It
> > arrived,  I tested it in the garage and it had great
> > spark, just as it was said to.  Then I dropped it
> > *&$#$&#*!
> > 
> >     This destroyed the cap,  and chipped the main
> > bakolite housing.  I installed a new cap,  it would
> > not turn,  so I took it apart and fished all the
> > plastic pieces out of the rotor,  and now it turns, 
> > but only gives my spark every first turn.
> > 
> >      Condesor issue?  Or did I knock something out
> > of
> > wack?  I just got in a new case for it,  and have
> > another condensor and a few coils,  but I am not
> > sure
> > where to start..
> > 
> >                 Chris
> > 
> > 
> > 		
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