Some shops just wipe off the armature/electromagnet surfaces -- works
fine for a while, but almost always sticks again. The only reliable
solution I've found is to completely disassemble the shutter mechanism,
removing it entirely from the body, and flushing all excess lubrication
from it. Also, the electromagnet should be removed from it's frame and
soaked in solvent to remove all the oil inside it. Few open shops
bother to do all this. After you've done a few hundred, though, it gets
easier.
Daniel J. Mitchell wrote:
>
> I have an old OM-10 which has given sterling service for a fair while now
> -- except that of late it's taken to overexposing all the time. It seems
> pretty clear that what's going on is that something inside the camera is
> sticky, and not releasing when it should -- even by ear I can tell that the
> shutter/mirror/whatever is spending too long in the "open" position.
>
> This happened once before; I took it to a local camera shop, they cleaned
> the release magnet, all was well for a while. I took it out again last week
> after a month or so of not using it, and it was sticking again.
>
> Ploughing through the archives of this list, it sounds as if it's "oil on
> the magnet" -- but that's what the camera shop already did to clean it, and
> it just went wrong again after a while. I tried the thing where I prise up
> the bottom of the inside of the camera, but it really didn't seem to want to
> come apart and I'm wary of breaking something -- is there something else
> that might be wrong? Is this just going to keep on happening until I replace
> it?
>
> -- dan
>
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