Removing Electrolytic cap residue

[Jim Beacon]

Flux cleaner may work, or just wash in distilled water.

Jim.
----- Original Message -----
From: "Adrian Vickers" <javickers at solutionengineers.com>
To: "General Discussion: On-Topic and Off-Topic Posts"
<cctalk at classiccmp.org>
Sent: Tuesday, April 05, 2005 6:01 AM
Subject: OT: Removing Electrolytic cap residue


> A friend of mine has a problem with Electrolytic caps on his motherboard
> having gone "pop" & deposited their contents on some contacts...
>
> Although this is a PeeCee (spit) that's affected, I thought I'd ask the
> assembled knowledgeable types here, as it's also a problem which COULD
> affect our Olde Worlde computers quite easily...
>
>
> Quote
>
> "Does anyone know how best to remove dried capacitor electrolyte from a
> surface? I have tried a number of solvents, including Ultrsolve and Super
> Servisol, but the stuff seems is set hard.
>
> A couple of capacitors leaked on a motherboard and have dripped into one
of
> the PCI slots. They are insulating some of the pins, so the slot cannot be
> used, but I need the slot. The capacitors were easily replaced (just
> pennies and half an hour in front of the TV) but I'm really not sure how
to
> clean those PCI slot contacts.
>
> The electrolyte dries to a brown varnish-like film. There seem to be a
> bunch of these exploded capacitors coming in from PCs manufactured around
> 2002 (I reckon the worldwide supply of dodgy caps from the 1999/2000
> production were put in storage for a few years, then bought up by Packard
> Bell and friends)."
>
> Endquote
>
> Thanks in advance, all.
>
>
> Cheers,
> Ade.
>
>