PDP-8/a cleaning

allison allisonportable at gmail.com
Tue Apr 25 05:00:58 CDT 2017

On 04/25/2017 03:45 AM, ben via cctech wrote:
> On 4/24/2017 1:19 PM, Pontus Pihlgren via cctech wrote:
>> Hi
>> My PDP-8/A is up for restoration. More specifically and 8A100 according
>> to it's ID plate. It is in overall "ok" shape but oh so dusty.
>> I'd like to give it a good cleaning so I'm tearing it down. And I'm
>> looking for suggestion to cleaning the backplane and regulator board.
Dishwasher.   Its what I do.

>> I'm considering putting the Omnibus part under warm water and perhaps a
>> bit of mild detergent. Should I get distilled water or will tap do? The
>> water here is not very "hard"
Tap will do since you will rinse with alcohol.

>> The regulator backplane has a relay and a button which will never dry
>> out if I soak it...
>> Thanks in advance,
>> Pontus.
> I would go for distilled water, tap water could have chlorine it it.

The amount of chlorine (or its analog) is not a enough to be a factor.
If you can drink it and its not pool water.


> Ben.

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