Altair Turnkey and some DEC stuff cheap

Tothwolf tothwolf at
Sat Apr 11 13:34:43 CDT 2015

On Sat, 11 Apr 2015, Noel Chiappa wrote:

>    >> On Thu, 9 Apr 2015, Noel Chiappa wrote:
>    >> The real problem is that there's 'grup' (a Dave Clark neologism) in
>    >> the thin space between the plastic contact pin housing blocks and the
>    >> PCB. Needless to say, one can't take the PCB off to get in there...
>    >>
>    >> So my plan of action is to stick them in water for a couple of days,
>    >> and then use a water jet to try and get down in the thin gap between
>    >> the contact blocks and the PCB, to clean it out.
> Hi, all, thanks for all the suggestions: alas, they won't really help 
> with this part of the problem, since the gap between the PCB and the pin 
> contact housing blocks is only about 1mm (less in some cases) and 
> there's no way I know of to get any kind of effective brush into a gap 
> that small.
> Maybe something akin to dental floss, but that would be about it. 
> (String might be a good idea, it has a rougher surface and might be 
> better at removing impacted grime, plus it's wider, so will do more 
> width on each pass.)
> The Simple Green might be something useful to add to the bath, though. I 
> generally use compressed air to dry boards (although I've heard rumours 
> of possible static problems from this, I've never had a problem), which 
> is easy for me since I have a 5HP compressor in the basement. It mostly 
> blows the water (along with any dissolved minerals, although I usually 
> try and finish with a douse of distilled) right off the board.

Simple Green will eliminate that...smell ;)

Could you use an aquarium pump and a long airstone / bubbler to help clean 
the boards using aeration? Or, maybe get in there with a Waterpik?

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