Have you tried a chemical fix on the 21?
----- Original Message -----
From: "bruce bennett" <firstname.lastname@example.org>
Sent: Monday, February 20, 2006 8:35 AM
Subject: [TenTec] pto on corsair lube
> Not wanting to tear down my pto, I tried to lube the
> shaft of the pto with wd 40. Seemed to help but far
> from curing the freq shifts I was experiencing when
> tuning the rig. So decided to try something different.
> I have on hand a product called Tetra 500. It is a
> polymer and not a oil. Very fine particles in the lube
> are rubbed into the surface of bearing mechanicaly.
> Since it is synthetic it should not harden. So first I
> sprayed the shaft of the pto with tuner cleaner and
> ran the dial up and down the band several times.
> Seemed to help loosen up that stiff grease in the pto.
> I then applied one drop of the tetra product with a
> screwdriver and sprayed again with the tuner cleaner.
> My idea was to help the tetra to penetrate into the
> pto, with the thin tuner cleaner, and it seemed to
> work. I have had this rig since 1984 and can not
> recall it working any better than it is now. No shift
> in freq and very easy to turn. Will it stiffen up in
> the future? I don't know, but the advertisement says
> tetra is rubbed into the microscopic pores of the
> metal so I am hopeful that it is a permanent cure. Btw
> i do not sell or work for the company.
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