Re: [amsat-bb] Silicone grease on rotor pots

[rdwelch@xxxxxxxxxx]

Be very sure that any silicone grease is lubricating grease.  Some are not.

Don DeJarnette wrote:
> 
> I purchased my GE Silicone Grease from Fair Radio, a surplus electronics
> company.
> 
> http://www.fairradio.com/
> 
> Have not checked to see if they continue to have it in stock.
> 
> 73 de Don KC4YRT
> 
> ----- Original Message -----
> From: Jesse Morris <w4mvb@juno.com>
> To: <W10191@motorola.com>
> Cc: <amsat-bb@AMSAT.Org>
> Sent: Monday, July 09, 2001 7:41 PM
> Subject: Re: [amsat-bb] Silicone grease on rotor pots
> 
> > Hi Wayne,
> >
> > I was the one who posed the item about the use of silicone grease on the
> > rotor control pot. My azimuth rotor is an old CDE TR-44 and has been back
> > up for about two years now with the grease on the pot and it is still in
> > good shape. I have only one spot at SSE that is bad and it was bad when I
> > got it up.
> >
> > You do have take the "bell" top off the rotor to put the grease on but
> > you have to do that anyway if you are going to do anything else to it.  I
> > first cleaned the pot (which was almost new) with alcohol, put a small
> > amount of Detoxit on it and then coated the winding with a very thin
> > layer of the grease.  I guess the wiper tension gets through the grease.
> > I think the grease keeps the moisture out of the windings of the pot and
> > keeps it from oxidizing or corroding.
> >
> > I remember this grease being originally was made by Dow Corning and I
> > think it had a designation of DC-3 or DC-4.  I have always called it Dow
> > Corning gut the stuff that I have now is not made by them.  The tube I
> > have (which I've had for maybe 8 or 10 years) has a military stock number
> > on it and is listed as "Silicone Compound - General Electric G624"  It
> > was made by R.H.Carlson Co. in Greenwich, CT in 1990.  I have no Idea
> > where I got it. ( I probably wouldn't tell if I did know!)
> >
> > Hope this helps.
> >
> > 73's de Jess - W4MVB
> > ----
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> >
> >
> 
> ----
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-- 
73, Roy

Internet: w0sl@amsat.org
Home Page: http://home.swbell.net/rdwelch
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