Since JH seems to be around here recently maybe he'll offer some helpful
advice. In the meantime I dredged up this report of what seems to be
the same problem from Wolfgang Paster in 2001 and a response by Ian Nichols.
Chuck Norcutt
-------------------------------------------------------
From: "Ian A. Nichols" <I.A.Nichols@xxxxxxxxxxxxx>
Subject: Re: [OM] OM2SP shutter speed ring problems
On Fri, 23 Mar 2001, Wolfgang Paster wrote:
> Recently I've had problems with the shutter speed ring of my OM2SP.
It's VERY hard to move (gets almost stuck from time to time). I've
experienced this before with a OM2n. Is it possible to fix it on myself?
What dangers lurk if I remove the lens mount (three screws on the
mount...), are there many tiny parts jumping around and getting lost? Is
it possible to clean and/or lubricate the stuck mechanics from there?
-------------
Not many parts to lose, just a ball bearing on a spring. The problem is
probably going to be burring on the edges of the detent slots, which can
be removed with a needle file. Putting the thing back together can be
unexpectedly tricky, though.
Firstly, you have to make sure you put the shutter speed ring back in
exactly the right position wrt to the little gear wheel which it drives
(otherwise shutter speed indication will be wrong). Secondly, beware of
the little widget that allows access to the red speeds - it's possible
to trap that so that you can't turn the ring at all.
Regards
------------------------------------------------------------------------
On 11/23/2012 4:11 PM, Brian Gray wrote:
> Sadly my OM2SP has developed an annoying physical problem. The ring
> for setting the manual exposure and the battery on/off has seized up
> after a period of being stiff. As far as I can tell, I can still use
> it in aperture priority mode but will have to remove the batteries to
> disconnect them.
> Is this a typical fault and is it likely that I can do anything else
> apart from sending it for a repair and CLA which might cost more than a
> reasonable price for the camera, even with its 2/13 screen? The camera
> has the old flash-ready light powered from the button cellls and has
> worked troublefree since I bought it second hand 15 years ago.
> Brian :-(
>
--
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