I've seen spary brake cleaner used to remove grafitti marks, but I don't
know if it would be compatible with the paint. It didn't seem to harm Imron.
On Fri, 23 Apr 1999, Hans Franke wrote:
>
> > I've got a couple of Commodore PETs that need to be cleaned up.
> > I'd like to restore them to like new condition...the only problem
> > is some markings on the systems.
>
> > Any ideas on how to remove from the metal case (with damaging the
> > painted surface underneath)
> > - Spray paint (numbers)
> > - Permanent magic marker (more numbers)
>
> Depending on the Modell - if it's one of the SK/LP/HP CBMs,
> I recomend a ... ups, now I got problems since I don't know
> exact american namings and brands - I would recomend ATA
> (thats a brandname, but also used generic for most brands
> of not aggressive Scheuerpulver (scpuring agent (?)) with
> an aprobiate hard sponge (non metall), since the 'rough'
> surface accepts microscratches, and the coulour used is
> thick enough to allow this procedure - don't use any kind
> of sandpaper.
>
> For Metall case PET/CBMs with the rough surface the same
> method might be usefull, but you have to prpare the Scheuer-
> pulver with water in a seperate place, to avoide the first,
> hard contact - also add some sadditional soup and use a soft
> sponge with less pessure - you might need to polish it later
> on with polish materials for cars.
>
> For the smooth surface (early) models, I recomend only soap
> and a sponge - and a real lot of rubbing. Also some helpers
> as used for car paint refurbishing are usefull.
>
> All this will only work to remove non aggressive markers.
> If the markers have interacted deeply with the paint, and
> or if spray paint is used, you have to do an repaint job.
> take a medium to fine Schmirgelpapier and remove the unwanted
> paint, until is is completly gone - try to take of material
> all over at the same rate. if done well it might be enough
> original paint still on the surface that you only need to
> add a new gloss-paint layer - if not, considere to unpaint
> whole case and give it to a car painting company for the
> job to do it (including new paint of course.
>
> The main problem is that you have to prepare all parts the
> same way, since it would look terrible if only one side of
> the pet is 'redone'
>
> Gruss
> H.
> (There has been an Idea of a workshop on Computer cleaning
> vor VCF 3.0 - Sallam ?)
>
> --
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> Ich denke, also bin ich, also gut
> HRK
>
M. K. Peirce
Rhode Island Computer Museum, Inc.
215 Shady Lea Road,
North Kingstown, RI 02852
"Casta est qui nemo rogavit."
- Ovid
Received on Fri Apr 23 1999 - 12:40:53 BST