Re: Cleaning old Apple II cards?

["atfphotography@gmail.com" <atfphotography@gmail.com>]

On Jun 25, 6:47 am, "Matt J. McCullar" <mccul...@flash.net> wrote:
> Arcade game collectors clean motherboards all the time.  I work at a
> circuit-board repair center and we often get circuit boards that are
> literally caked with dirt, oil, metal chips, etc.  For many years our
> cleaning method has been very simple:
>
> 1) Remove any socketed chips and store them carefully.  (This lets you read
> and store the software, and also keeps the labels from washing off)
> 2) Remove any batteries and fuses and flyback transformers (if present)
> 3) Give the board a bath in the sink with warm water and a common cleaning
> liquid called Simple Green.  It's a good, general-purpose cleaner.  I've
> also used Fantastic and Formula 409.  Use a soft paintbrush to scrub in and
> around all of the components, then rinse off the board.  It will look like
> new after this.
> 4) Allow board to dry.  If you've got an air compressor, give it a mild shot
> of air after one drying cycle to get any residual water out from underneath
> components.
> 5) Re-insert what got removed, and you're back in business.
>
> Simple Green, etc. won't attack any components as acetone will.

Interesting.

So there wasn't any problems with rusting? One of the motherboards I
recently
came across has rust in the back and I'm trying to figure a way to
either replace
the part completely or somehow get the rust off (it's a composite
connector and
the tape input/output ports on a IIe motherboard).

I was just worried about rust on parts of the board. What do you
consider a
drying cycle and how long? Just air dry and then hit it with the air
compressor after
the first one?

Best!

ATF