There's a lever in the bottom of the OM-2s that stops the wind after one frame.
When it gets greasy, it lets the gears turn when the shouldn't, and that results
in "crossed gears" -- gear teeth on one gear catch teeth on another where they
shouldn't, and that jams the camera. Eventually even "jiggling" won't work --
only removing the gears to unjam them, and cleaning the lever to prevent
recurrance will solve the problem.
Even though the OM-4/4t/3/3t all have the same mechanism, this seems to be a
problem largely unique to the -2s -- evidentally the -2s factory just used too
much grease in the first place.
Dave Bulger wrote:
> Zuiks,
>
> Input would be appreciated.
>
> I had my beloved -2s jam up on me a coupla years back -- couldn't advance
> film, couldn't trip the shutter. Shutter was closed, mirror was down. This
> was despite moving the SS to manual, changing batteries, etc.
>
> Sent it to JH for a CLA at which time it was fixed & working beautifully.
>
> Gave the camera to a friend of mine recently when the exact same situation
> arose. I noticed a post on the list from someone (Thanks!) re putting a
> winder on it to see if the winder->camera linkage could be "jiggled" that
> way.
>
> Yup! It worked. I now have a correctly functioning -2s to return to her.
>
> Is this a common thang with -2s's? I seem to recall something about
> overwinding. How does this happen, what can be done to prevent, etc?
>
> Thanks!
>
> Dave
>
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