27 Apr
2010
27 Apr
'10
1:15 p.m.
Rob Jarratt wrote:
A while ago I posted about an RD53 I have which had
the problem with the
sticking heads. I have now got to the point where the heads no longer stick
on the bumper, but the disk still does not work correctly. I opened it up
and watched what it did with the cover off. Once it gains speed it moves the
heads out all the way and then they just stay there with the disk spinning.
FWIW, I have one that does exactly the same. It is however also a
non-runner, so I can't tell you whether that's correct behaviour or
not. It certainly /sounds/ the same as my other, working example.
There is a whine coming from the drive, not sure of
the source of this
though.
Mine had that too. Not sure where it came from, but it stopped when I
retightened one of the corner HDA mountings (the ones with the rubber
bushes underneath).
Cheers,
--
Steve Maddison
http://www.cosam.org/
9 May
9 May
2:17 p.m.
-----Original Message-----
From: cctalk-bounces at classiccmp.org [mailto:cctalk-
bounces at classiccmp.org] On Behalf Of Steve Maddison
Sent: 27 April 2010 21:16
To: General Discussion: On-Topic and Off-Topic Posts
Subject: Re: Unsticking an RD53
Rob Jarratt wrote:
When I attached my RD53 to a controller there was a bit more movement of the
heads after a while. I found that sometimes TEST 71 (the disk verifier on my
MicroVAX 2000) would detect the size of the disk and other times it would
not. Moving the disk and opening the cover seemed to make it work again.
While it had the cover off I formatted the disk with TEST 70, and, so far,
it has worked well since.
A while ago I posted about an RD53 I have which
had the problem with
the
sticking heads. I have now got to the point where
the heads no longer
stick
on the bumper, but the disk still does not work
correctly. I opened
it up
and watched what it did with the cover off. Once
it gains speed it
moves the
heads out all the way and then they just stay
there with the disk
spinning.
FWIW, I have one that does exactly the same. It is however also a
non-runner, so I can't tell you whether that's correct behaviour or
not. It certainly /sounds/ the same as my other, working example.
There is a
whine coming from the drive, not sure of the source of
this
though.
Mine had that too. Not sure where it came from, but it stopped when I
retightened one of the corner HDA mountings (the ones with the rubber
bushes underneath).
Cheers,
--
Steve Maddison
http://www.cosam.org/
5341
days inactive
5353
days old
1 comments
2 participants
participants (2)
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robert.jarratt＠ntlworld.com -
steve＠cosam.org