Poor contact repair (was: Re: The pure *hell* of restoring a PDP-8/S desktop.

From: John B <dylanb_at_sympatico.ca>
Date: Tue Feb 8 16:56:45 2000

<snip>
>Why does every one think I'm talking about petroleum
>grease. Many high power connectors are protected with
>silicone grease and still functioning with out a
>hitch after 25 years. Their contact resistance still
>measures less then the original dry contact resistance.
>I put silicone grease on the contacts of the USART
>socket, in my Poly88, back in 1979, to fix a flaky contact.
>I have had no reason since then to add more. I used
>the Poly88 just last week. If I'm addicted, it is just
>for new applications.
>Dwight


I'll have to try that. I guess, everyone has their own way of fixing bad
solder contacts. I've used the method I described over the past 16 years on
dozens of old mini computers... never had one come back because of problems
caused from the chemicals I use...



john

PDP-8 and other rare mini computers

http://www.pdp8.com

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Received on Tue Feb 08 2000 - 16:56:45 GMT

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