[Amps] Cleaning open frame TR relay

[Mark - N5OT]

I figured I was just supposed to grab an IPA out of the refrigerator.

On 7/1/2021 6:37 PM, David Gow wrote:
> I was taught decades ago by an old Tech (my Dad) to use a new crisp dollar
> bill saturated with 99.9% Isopropyl alcohol and if that didn't work a
> burnishing tool was the next step before replacement.  The corporate suits
> ignored the alcohol smell as they knew what was happening since they did
> the same beforeing being kicked upstairs if they had ever held a soldering
> iron.
>
> On Thu, Jul 1, 2021 at 9:23 AM Steve Lott <lottsphoto at gmail.com> wrote:
>
>> A dollar bill works as well in a clinch
>>
>> Steve
>> KG5VK
>>
>> On Thu, Jul 1, 2021 at 11:06 AM BILL KENNAMER <k5fuv at prodigy.net> wrote:
>>
>>>   Even printer paper works.
>>> K5FUV
>>>
>>>      On Thursday, July 1, 2021, 10:48:28 AM CDT, Jeff DePolo <
>>> jd0 at 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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>> --
>> Steve
>> *KG5VK*
>> Tele 318-470-9806
>> ARRL NTX Section Manager
>> *Please note: My Out Going Email address is LottsPhoto at Gmail.com*
>> *KG5VK at ARRL.ORG <KG5VK at ARRL.ORG> is forwarded to my Gmail address*
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