----- Original Message -----
From: "John Hudson" <john.hud...@calema.ca.gov>
To: "Morrell Siegel" <mandbsie...@charter.net>; "DRAKE LIST"
<Drakelist@zerobeat.net>
Sent: Thursday, February 24, 2011 11:44 PM
Subject: Re: [Drakelist] restoring
I've sent this out before but looks like it could help
again.
Some years ago Hewlet Packard has their repair and
calibration lab in Fullerton, CA. and I had the
opportunity to visit the facility doing a walk through
where they take equipment in for repair and all they do to
bring the units up to speed and operational. It seems they
make sure the unit is working and then take simple green
and bathe the whole unit down. The unit was then scrubbed
with brushes to get the big pieces off, then the unit is
power washed with clean distilled water to remove all
grease, girt, and whatever else was there. Once the unit
is completely clean the equipment is placed in a large
oven at 150-200 degs for several days unit the unit is
completely dry. Once its dry the unit is again tested and
any/all repairs, alignment and calibration was performed.
Once the unit was done it looked brand-new.
So the dishwasher is not a bad idea provided you don't use
the soap, and not sure how simple green would work in a
dishwasher.
73's,
De WA6HYQ.
I worked for -hp- previous to the move to Fullerton. We
used a simpler version of this method. The first step was to
remove anything which could be water damaged like meters
from the equipment and open up all compartments. The
equipment was first washed down with a hose and warm water.
Then washed with a paint sprayer loaded with a solution of
plain dishwashing detergent in warm water. It was scrubbed
where necessary with dishwashing brushes. Then rinsed again
with plain warm water and finally blown out with compressed
air to remove as much residual moisture as possible. It was
then baked in an electric oven set at 130F for at least 48
hours, usually longer if the oven was available.
This worked for most stuff and resulted in its looking
new. We repainted cabinets but badly worn panels were sent
back to the factory to be repainted and the engraving
filled.
I don't remember any equipment being damaged by this
washing process.
--
Richard Knoppow
Los Angeles
WB6KBL
dickb...@ix.netcom.com
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