Re: fixing screaming bearings on Micropolis 1558 ESDI drives

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Article #6413

#6413

From: Robert Blackshaw
Date: Wed, 05 Jun 1996 00:00

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cdewick@jedi.apana.org.au (Craig Dewick) wrote:

>I have three Micropolis 1558 ESDI drives which function perfectly except
>that the bearings are shot from old age. I believe at least two of the
>drives only need the bearings to be re-lubricated, while one is probably
>unrepairable.

I can't remember what my 1558 looks like, but some of the older HDs
used to have a phosphor bronze spring strip that bore against the
main shaft. This was to "drain" static electricity I believe. Unfortunately
they also devloped a noise like a 747 at takeoff. I have seen people
lube the spring and I have seen them simply torn off, both solutions
seem to work. As another poster noted, if your bearings are really shot
you should have had a head crash by now.

Just a thought.

Bob

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From: blckshaw@clark.net (Robert Blackshaw)
Subject: Re: fixing screaming bearings on Micropolis 1558 ESDI drives
Date: 1996/06/05
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