Re: Lisa + Profile and SCSI cable?

From: Jason Perkins <quanda_computing_at_email.domain.hidden>
Date: Wed, 7 Sep 2005 22:44:05 -0400

Is there any way to get at the bearings of the drive? My profile is easily the loudest drive I've ever heard, save the 2 gb Barracuda I threw on the floor repeatedly and then powered up (it dances across the floor now! Don't worry, it had many bad sectors before I 'stressed' it.) I took the brush totally off for testing, it didn't get any quieter, so my guess is it has to be the bearings. Have you ever oiled a frozen computer fan to bring it back to life, then listened as the little bits of dirt hit the bearings, and it makes a little ting sound? My drive does that all on its own :o

-Jason
----- Original Message -----
From: "James MacPhail" <uo957_at_email.domain.hidden> To: "LisaList" <lisalist_at_email.domain.hidden> Sent: Wednesday, September 07, 2005 9:50 PM Subject: Re: Lisa + Profile and SCSI cable?

>
>>Is there a way to quiet a ProFile, perhaps by replacing a fan?
>
> The ProFile has no fan.
>
> Usually the ProFile's "jet-engine" noise can be nearly eliminated by
> adjusting the static brush.
>
> The static brush touches the bottom end of the spindle axle, and after
> some
> period of wear, can vibrate quite loudly.
>
> If you (carefully) remove the hard disk assembly from the ProFile chassis,
> and remove the circuit board on the bottom, you will see the static brush.
> A small tweak sideways is usually all that is required to change the point
> of contact and stop the excessive noise.
>
> Make sure that the brush is still making contact with the axle so that it
> can do its job, and do NOT "lubricate" the point of contact.
>
> HTH,
>
> James
>
> James MacPhail "Think not of engineering as art,
> uo957_at_email.domain.hidden but of art as engineering"
> Sigma Seven Systems Ltd.
> james_at_email.domain.hidden <http://SigmaSevenSystems.com>
>
>
>
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Received on 2005-09-07 19:56:31