One More PCB Dishwasher Question

From: Bob Shannon <>
Date: Fri Dec 28 09:19:32 2001

Never run boards through a dishwasher!

This has got to be one of the most insane ideas I've ever heard.

Commercial PCB's do get washed, but only after the water has
been deionized with some rather expensive and high maintainance

I'm quite sure that manufacturers don't go through the expense of
this gear if your maytag washer could do the job.

Lots of domestic water supplies have 'hard water' and.or high mineral
that will dammage or destroy your boards. Maybe not while they are in
washer, but corrosion may set in later.

lee courtney wrote:

> Hi all,
> The thread on cleaning cards by running them through
> the dishwasher was timely as I am resurrecting an
> HP3000/XE. The system came from Pacific Pipe in
> Oakland and is the *filthest* system I have ever seen.
> The "computer room" on the second floor was left open
> to the work yard and all matter of dirt, dust, grime
> etc was sucked into the CPU, disc drive and tape. The
> CPU boards literally had a layer of grime covering
> them.
> Of course since this was an HP box it booted right up
> even though it was basically "clogged".
> Many of the HP cards have paper stickers indicating
> part number, revision, etc. Any thoughts on preserving
> these through a dishwasher cycle? Or should I just
> gently hand rinse? THanks!
> Lee Courtney
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Received on Fri Dec 28 2001 - 09:19:32 GMT

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