LGP-30 Memory Drum Update

Pete Lancashire pete at petelancashire.com
Thu Jan 5 09:55:38 CST 2017

Kimwipes ! That's the brand and products I could not remember. Just one
thing to add, there are many different types/variations, so be careful.

On Jan 5, 2017 7:15 AM, "Paul Koning" <paulkoning at comcast.net> wrote:

> On Thu, Jan 5, 2017 at 3:44 AM, Klemens Krause <
> krause at informatik.uni-stuttgart.de> wrote:
> > ...
> > Cleaning the originally coated drum? I'm not sure how to do this.
> > We clean our RK05 disks in a very robust way: with cheap burning
> > spirit and paper towels. ...
> > The LGP-30 drum is much more singular, so we never tried to clean
> > the surface to avoid the risk of cleaning away the coating.
> I've seen an IBM field service tech clean an 1311 pack once (after the
> drive blew a gasket and sprayed hydraulic fluid everywhere).  He used
> Kimwipes soaked in isopropyl alcohol.  Since this was in college, I went to
> the chemistry department to get high purity (reagent grade) isopropyl
> alcohol for this job.
> A solvent sounds good, but I would avoid "burning spirit" or rubbing
> alcohol or other grocery store stuff since it probably has all manner of
> contaminants in it, some of which may leave crud on the surface.
>         paul

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