OM-2S, 3, 4 all suffer from worn shutter speed dial detent. The ball
bearing wears a rut in the ring and the ball gets stuck in it.
Sometimes the rut can be filed down but replacement with good used ring
is better.
___________________________________
John Hermanson | CPS, Inc.
21 South Ln., Huntington NY 11743
631-424-2121 | www.zuiko.com
Olympus OM Service since 1977
Gallery: www.zuiko.com/album/index.html
On 11/23/2012 4:46 PM, Chuck Norcutt wrote:
> 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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