Even printer paper works.
K5FUV
On Thursday, July 1, 2021, 10:48:28 AM CDT, Jeff DePolo <jd0@broadsci.com>
wrote:
> 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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