[R-390] Slug Rack Lube?

[Barry]

Ding ding ding!

I removed the slug rack, removed the transformers, replaced the slug rack
and no squeak.  Must be in the coils.  Replaced everything.

I then rotated the KC to mid point (X.500) where the slugs for the 0.5 - 1.0
rack are all the way down in their respective cans.  I loosened the slug
holder thingees and let the core spring center itself in all three cans.
Squeak gone!

Thanks!

Barry - N4BUQ

----- Original Message -----
From: "Jim Miller" <jmiller1706 at cfl.rr.com>
To: "Barry" <N4BUQ at aol.com>; "R-390" <R-390 at mailman.qth.net>
Sent: Friday, May 13, 2005 10:37 PM
Subject: Re: [R-390] Slug Rack Lube?


> Your squeak may not be metal moving parts.  If the slugs are tight inside
> the coil forms, they might squeak too.  Slugs get tight if the coil form
has
> expanded (may have gotten wet).  I take some very fine sandpaper and roll
it
> up like a cigarette so it fits inside the coil forms and gently smooth
down
> the insides of the coil forms.  Your mileage may vary,  N4BE
>
> ----- Original Message -----
> From: "Barry" <N4BUQ at aol.com>
> To: "R-390" <R-390 at mailman.qth.net>
> Sent: Friday, May 13, 2005 11:04 PM
> Subject: [R-390] Slug Rack Lube?
>
>
> > What are some of you guys using to lubricate the slug racks?  I have a
> > very
> > squeaky 0.5 - 1.0 rack.  It is not the cam followers, but the rack sides
> > against the frame.  I had thought about some kind of silicone coating
> > (spray?) but didn't know.  It seems MobilOne is too thin in this area,
but
> > maybe not.
> >
> > Thoughts?
> >
> > Thanks,
> >
> > Barry - N4BUQ
> >
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