[AJD] Mag help

Mon Sep 5 06:24:38 PDT 2005

Dennis..these pix's might help a bit.  Note the dissambly of the mag.  I 
believe the bushings screw in and out.

Hope this helps some!

http://community.webshots.com/album/92789436JreBHP

RickinMt.

----- Original Message ----- 
From: "Bill Brueck" <b2 at chooka.net>
To: "'Antique John Deere mailing list'" 
<antique-johndeere at lists.antique-tractor.com>
Sent: Sunday, September 04, 2005 8:49 PM
Subject: RE: [AJD] Mag help

> Dennis, I posted on the engine list about 9 hours ago, no hits yet.  But
> there is very little traffic this weekend, maybe a message an hour or so 
> and
> that's normally a super busy list, seems like 100 messages a day on a good
> day.
>
> In the meantime, if you're thinking of pulling the mag, you'll have to 
> deal
> with timing, anyway.  Did you time it when you put it on, or did you just
> stick it on?  A hundred years ago, when I was just starting to tinker with
> these as a junior high kid, my dad told me the low tension mag didn't need
> to be timed.  Sure drove me to distraction that some of my engine projects
> worked OK, others didn't, until I learned he was dead wrong.  The mag does
> have to be timed.
>
> While there are gear marks you can line up, you can also check to see if 
> the
> mag is timed while it is on the engine.  If I remember correctly (and rest
> assured folks will jump in and help if I don't quite have it right.  It's
> been 30 years since I've had a JD E engine apart.), there are 2 pins on 
> the
> outboard (next to the flywheel) end plate of the mag.  If you turn the
> engine slowly and put finger pressure on either of these pins, you can 
> feel
> when the timing indent passes on the inside of the magneto.
>
> That said, let's start at the beginning and work up to the timing.  First,
> confirm that the mag is putting out.  Take the wire off the igniter and,
> while cranking the engine at a good clip, scratch this wire against some
> clean metal somewhere on the engine.  You should have visible sparks, but
> it's not like a spark plug ignition: it won't jump a gap, but you should 
> see
> sparks when you scratch the wire against a clean ground.  Note that you
> won't see sparks every time, that gets back to the need to time the 
> magneto:
> it needs to be timed so it is delivering maximum spark when the engine is 
> to
> fire.
>
> Next, check the timing of the igniter; this is marked on the flywheel and 
> I
> think the mark lines up with the push rod when the igniter is to trip. 
> The
> igniter trip arm slides on the push rod to adjust the timing if needed.
>
> OK, now you can time the mag.  Press in the pin that's next to the correct
> arrow indicating the direction of magneto rotation.  The pin should just 
> be
> exiting from the indentation when the mag trips.
>
> My expectation is that this last step is where you will find what is wrong
> with your engine.
>
> Let us know how this turns out, and anybody else out there jump in if my
> procedure above needs a little tuning, itself.
>
> Good luck!  Hope this brings a smile for your dad.  I lost a business
> partner to pancreatic cancer a few years back, it hit swift and sure, he
> overestimated how much time he had left and didn't leave things in real 
> good
> shape for his business and family matters.  I know I speak for the list
> members when I say you're all in our thoughts and prayers.
>
> B²
>
> Bill Brueck (brick)
> Chatfield, MN, USA
>
> Confusion is a higher state of knowledge than ignorance.
>
>
> -----Original Message-----
> From: antique-johndeere-bounces at lists.antique-tractor.com
> [mailto:antique-johndeere-bounces at lists.antique-tractor.com] On Behalf Of
> Cotton Family
> Sent: Sunday, September 04, 2005 9:15 AM
> To: 'Antique John Deere mailing list'
> Subject: RE: [AJD] Mag help
>
> I am located in a small town 30 miles east of Birmingham Alabama just off
> I-20.  Its called Pell city Alabama.  My phone is 205-884-9089
>
> Dennis
>
> -----Original Message-----
> From: antique-johndeere-bounces at lists.antique-tractor.com
> [mailto:antique-johndeere-bounces at lists.antique-tractor.com] On Behalf Of
> Bill Brueck
> Sent: Sunday, September 04, 2005 8:46 AM
> To: 'Antique John Deere mailing list'
> Subject: RE: [AJD] Mag help
>
> Dennis, where are you located?  This sounds like the kind of mission that
> ATIS folks are famous for traveling a little to help out.  I can also post
> this to the ATIS Engine list, that has a lot more members and I bet we 
> could
> find somebody in your neighborhood who is real familiar with your engine.
>
> B²
>
> Bill Brueck (brick)
> Chatfield, MN, USA
>
> Confusion is a higher state of knowledge than ignorance.
>
>
> -----Original Message-----
> From: antique-johndeere-bounces at lists.antique-tractor.com
> [mailto:antique-johndeere-bounces at lists.antique-tractor.com] On Behalf Of
> Cotton Family
> Sent: Sunday, September 04, 2005 6:50 AM
> To: 'Antique John Deere mailing list'
> Subject: RE: [AJD] Mag help
>
> The problem is the mag is a replacement that just dosent seem to run and
> hard to crank. The first one on it worked just fine till it got dropped 
> and
> broke the magnet and housing..It might be a timing issue, but I needed a
> couple places that this could be done on the ASAP...
>
> The issue is I found out that my dad who is 63 who retired last year, who 
> is
> my best friend went in the hospital on Thursday and Friday for a skin
> condition was told he has stage 4 Pancreatic Cancer and we have 6 weeks to 
> 6
> months.. The model E is for his youngest grandson who is 3 who is 
> fascinated
> with it and it will be hooked up to a ice cream churn.. But the freaking
> thing has been temperamental since we put the new mag on it.. Time is 
> short
> for us right now and we are doing all we can during the good days..I 
> really
> don't have time to mess with it as I need to be doing other things but 
> might
> need to have it rebuild PDK..Its on the list of things to get done before
> the end.
>
>
> Thanks
> Dennis
>
>
>
> -----Original Message-----
> From: antique-johndeere-bounces at lists.antique-tractor.com
> [mailto:antique-johndeere-bounces at lists.antique-tractor.com] On Behalf Of
> Duane Larson
> Sent: Saturday, September 03, 2005 11:07 PM
> To: Antique John Deere mailing list
> Subject: Re: [AJD] Mag help
>
> Dennis,
> Those magnetos are pretty simple - what seems to be the problem with it?
> About all of the parts are available - perhaps we can help sort it out 
> here.
> Duane Larson
>
> ----- Original Message -----
> From: "Cotton Family" <dcotton at coosahs.net>
> To: "'Antique John Deere mailing list'"
> <antique-johndeere at lists.antique-tractor.com>
> Sent: Saturday, September 03, 2005 7:02 PM
> Subject: [AJD] Mag help
>
>
> >I am in a bit of a crunch for time. Cant go into detail yet but I might
> >need  a JD 1 1.5 horse stationary engine Mag rebuild pronto.. Does
> >anybody know  a  good shop with a decent turnaround time?
> >
> > Dennis
> >
> > _______________________________________________
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