HP 7906 drive lives again & stuff

From: Mail List <mail.list_at_analog-and-digital-solutions.com>
Date: Fri Oct 3 13:04:46 2003

> The very fine dust that makes it past the secondary filter cakes on
these blades
> and is very hard to scrub off - it's like concrete. Does anyone have any
ideas here?

Surplus ultrasonic cleaner with appropriate fluid?







At 08:28 AM 10/3/03 -0500, you wrote:
>After suffering a head crash on my "new" 7906, I decided I REALLY should
>have taken the time to clean the filter and the blower squirrel cage and air
>ducts better before using it. That was done, then the drive wouldn't seek
>past load point. So I swapped all the cards in the drive card cage with a
>"spares set" and now the drive is working wonderfully again, passing all
>diags. It is SO nice to not rely on a single 7900 drive anymore!
>
>Word to the wise - lesson learned - never skimp on dissassembly/cleanup of
>an old style 14" drive. Take the time to get every last piece of dust &
>debris out!
>
>Over the next few weeks I will be cleaning, refurbing, and testing all the
>other 7906 drives I have. Once I get all working that can be made to work...
>I will have some known working 7906 drives available for trade, as well as
>some 13037 controller boxes. Might not have spares of the 13037 pca that
>goes in the host though. If anyone is interested, let me know. Keep in mind
>these drives are somewhere in the neighborhood of 200 pounds each. I may get
>my 7905's working too but not sure I want to give those up just yet.
>
>Also - the only way I found to clean the squirrel cage blower was to take it
>out and clean each fan blade by hand and with a toothbrush. The very fine
>dust that makes it past the secondary filter cakes on these blades and is
>very hard to scrub off - it's like concrete. Does anyone have any ideas
>here? I was thinking of soaking the blower in something to loosen the dirt,
>but it's unfinished metal and might rust. Any thoughts?
>
>Regards,
>
>Jay West
>
>---
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Received on Fri Oct 03 2003 - 13:04:46 BST