I think I'd take a test roll of film and run it through the camera about
1/2 dozen times while varying the aperture to get different shutter
speeds. If it doesn't lock up again in 6 x 36 = 216 exposures I'd be
willing to risk some good film.
Chuck Norcutt
Manuel Viet wrote:
> First, my thanks to everyone who answered my question. This helped me rule
> out
> the batteries as cause of failure. Mine together were well above the 2.8 V
> limit reported, so the problem was/is deeper.
>
> I'm tempted to write 'was' because I took the time to disassemble the top and
> bottom, and clean every suspect contact. As of corrosion, there doesn't
> appear to be any, but my OM-1 experience tells me mercury batteries are to
> blame in that case.
>
> This didn't improved anything significantly, so I finally decided to look
> under the floor of the mirror box. I didn't knew if it was wise to remove the
> screw in the front (there's one such screw in early OM-1s like mine at the
> back that *musn't* be removed), so I gently tried to pry it open without
> touching the screw. Of course, it didn't move, because on 2s, it is clear the
> screw locks the bottom down. But before unscrewing it, I fired the shutter a
> couple of time again... and it worked. So I tried again... and again.. and
> again... No more locks up !
>
> I finally got to the very bottom of things, peeked a look at the board,
> everything seems in order, put back the floor, and tried... and tried... and
> it doesn't lock up anymore.
>
> That's frustrating - I didn't do anything, and I don't know if it'll last,
> but
> it looks like at least I'm going to try a couple of rolls before giving up
> that body.
>
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