Scott, a product that I have used on all kinds of connections including RF is Stabilant 22. It is made in Richmond Hill Ontario and does a wonderful job of making a good connection between metal surfaces. It is quite expensive, $35.00 for a small bottle but you only need a drop of it to work.
John VE3AMZ ----- Original Message ----- From: "Scott Zimmerman" <[EMAIL PROTECTED]> To: <Repeater-Builder@yahoogroups.com> Sent: Wednesday, October 08, 2008 11:59 AM Subject: Re: [Repeater-Builder] Re: Desense with DB4060 Duplexer > If the silver plating seems to be scratched, I have had good luck with the > products that are used to silver plate circuit boards. I don't recall the > product name that I used, but it was/is available from Digikey and such. I > merely used fine steel wool to polish the plunger and then used the > silverplating kit to re-plate it. > > Here is one product I ran across in a google search: > http://www.cool-amp.com/cool-amp.html > > WARNING: The silverplating plating is NOT very thick. It won't take much > to > scratch it back off, but if you lube the finger stock with a conductive > lube > it will last longer. I have used no-ox in the past, but Cool-amps's > "Conducto-Lube" might be a better choice. I have had no experience with > it. > > Good luck, > Scott > > Scott Zimmerman > Amateur Radio Call N3XCC > 474 Barnett Rd > Boswell, PA 15531 > > ----- Original Message ----- > From: "Kevin Custer" <[EMAIL PROTECTED]> > To: <Repeater-Builder@yahoogroups.com> > Sent: Wednesday, October 08, 2008 11:40 AM > Subject: Re: [Repeater-Builder] Re: Desense with DB4060 Duplexer > > >> skipp025 wrote: >>> You didn't say how you'd cleaned the surface in the past. I would >>> only use a Brass or hard Stainless Steel brush to avoid embedding >>> non same metals into the plunger or contact surface. Using a common >>> steel wire brush is not a good idea. >>> >>> s. >> >> Also NEVER use an over the counter chemical treatment to clean the >> surfaces. Products like TARN-X are not acceptable for cleaning >> electronic equipment; relay contacts, duplexer guts, etc! >> >> Kevin >> >> ------------------------------------ >> >> >> >> Yahoo! Groups Links >> >> >> > > > -------------------------------------------------------------------------------- > > > > No virus found in this incoming message. > Checked by AVG - http://www.avg.com > Version: 8.0.173 / Virus Database: 270.7.6/1714 - Release Date: 10/8/2008 > 7:01 AM > > > ------------------------------------ > > > > Yahoo! Groups Links > > > >
