Re: fixing screaming bearings on Micropolis 1558 ESDI drives

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Article #6414

#6414

From: George Ross
Date: Thu, 06 Jun 1996 00:00

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In article <4ovmkp$1dg@jedi.apana.org.au>, cdewick@jedi.apana.org.au (Craig Dewick) writes:
> I have three Micropolis 1558 ESDI drives which function perfectly except
> that the bearings are shot from old age. ...

Are you sure it's the bearings?  IIRC, the old Micropolis drives had a spindle
earthing pad on a springy mount on the underside of the drive.  After some
(variable) amount of wear it would start to squeal.  The fix was just to
remove the thing; the drive appeared to work perfectly well without it.
-- 
Dr George D M Ross, Department of Computer Science, University of Edinburgh
       Kings Buildings, Mayfield Road, Edinburgh, Scotland, EH9 3JZ
Mail: gdmr@dcs.ed.ac.uk   Voice: +44 131 650 5147   Fax: +44 131 667 7209
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From: gdmr@dcs.ed.ac.uk (George Ross)
Subject: Re: fixing screaming bearings on Micropolis 1558 ESDI drives
Date: 1996/06/06
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