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Re: [Amps] Cleaning open frame TR relay

To: "'Mark - N5OT'" <r-emails@n5ot.com>, <amps@contesting.com>
Subject: Re: [Amps] Cleaning open frame TR relay
From: "Jeff DePolo" <jd0@broadsci.com>
Date: Thu, 1 Jul 2021 11:46:00 -0400
List-post: <mailto:amps@contesting.com>
> What's the best way to clean the contacts of an open-frame TR relay?
> I'm hoping to just clean the relay without disassembing the amp, but the
> contacts are a little hard to get at.

Start with something non-abrasive like a piece of cardstock.  First run it 
through dry, then take another clean piece of the same with a drop of IPA or 
contact cleaner on it.  

If that doesn't do the job, use a aontact burnishing tool.  Jonard is probably 
the most common.  If you need something small, the disposable type are the way 
to go as you can cut them into smaller/shorter pieces then grab it with a pair 
of needle-nose pliers, forceps, or whatever.  After the burnishing tool, run a 
piece of cardstock with IPA or contact cleaner through just to make sure 
nothing is left behind.

                                        --- Jeff WN3A



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