[AT] Points

[Stephen Offiler]

Thanks Ken; the rub-on silver plating is news to me and looks pretty
interesting!

SO


On Tue, Mar 7, 2017 at 2:59 PM, Ken Knierim <ken.knierim at gmail.com> wrote:

> Here in the desert we don't have as big an issue with moisture on the
> points but I have to wonder if one of those dessicant packs would be of
> value or use. For that matter, I'm not too certain what makes those little
> packs work...
>
> Plan B would be a rub-on silver plating if it's compatible. Silver will
> oxidize but remain conductive. I've used something like this for increasing
> electrical conductivitiy:
>
> http://www.cool-amp.com/cool_amp.html
>
> Just a thought anyway.
>
> Ken in AZ
>
> On Tue, Mar 7, 2017 at 12:39 PM, Stephen Offiler <soffiler at gmail.com>
> wrote:
>
> > Here's an old tractor subject to chat about.  I've got a JD 440IC, where
> IC
> > is "Industrial Crawler".  But it has farm tractor roots, tracing back to
> > the JD 420, further back to the 40, and before that the model M.  It's a
> > vertical twin gas engine.
> >
> > I only get a chance to run it a few times a year, and each time I do, I
> > have to give the points a pretty good cleaning.  Knowing this, it's the
> > first place I go (after fresh fuel) before I even attempt to fire it.
> And
> > yet, somehow, it seems that I end up getting after those points three or
> > four times before I get consistent spark.
> >
> > Sitting, it seems, allows the points to corrode (it is stored indoors,
> but
> > in a building well-vented to outdoors) and I guess I'm initially
> reluctant
> > to take off too much material, hence, the need to go back in several
> times
> > until I get enough.
> >
> > Anybody else have this sort of trouble with points?  Right now, I am
> > conducting an experiment.  After the last run (only a few weeks ago) I
> took
> > a piece of jute and soaked it with WD-40 then stuck it between the points
> > before I buttoned the cap back on and walked away.  At the moment I don't
> > know if this actually works;  a proper test probably entails letting it
> sit
> > 4-6 months.  Ideas?
> >
> > SO
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