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Dolphin
Rating: N/A
Votes: 0 (Vote!) | | Posted on Saturday, July 09, 2005 - 11:39 pm: | 
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I purchased a mint OM1n, except for one thing. The exposure counter does not return to zero when reloading the film. It returns to anywhere from 8 to 12 and with some coaxing can be gotten to S. Any ideas as to the problem and any simple fixes? |
rick oleson
Rating: N/A
Votes: 0 (Vote!) | | Posted on Sunday, July 10, 2005 - 11:00 am: |
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Most likely the counter is dirty. Cleaning it will require removing the top cover and applying a drop of cigarette lighter fluid to the disk; while you're at it, you should put some on the wind-lever clutch too since that's a dirt-sensitive area and it's located right under the counter dial.
Please email me if you'd like me to send you some notes for doing this. In the meantime, to get the counter to return to 0, try slapping the camera while the back door is open.
rick : ) = |
Dolphin
Rating: N/A
Votes: 0 (Vote!) | | Posted on Sunday, July 10, 2005 - 12:08 pm: |
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Thanks, I have emailed you about getting some instructions on how to do this. Dolphin |
Clint
Rating: N/A
Votes: 0 (Vote!) | | Posted on Friday, July 22, 2005 - 08:17 pm: |
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If someone replaced the foam seals around the back, they may have interfered with the tab that the back cover presses when it's closed. Look in the top slot just behind/below the ASA dial -- you should see a shiny square tab exposed there. If not, find it and cut the foam away from it.
If that's not it, you'll have to remove the top cover and clean the counter dial. It's held in place by a large metal "C"-clip -- slide the clip off and you can gently lift the dial up. Unhook the spring that pulls it back to "S".
Clean the top, inside, and underside of the dial with any convenient solvent, then clean the clip, too. Lastly, be sure to clean the frame the dial sits on thoroughly. With a solvent-wet tissue over a fingernail, clean down into the corners, too.
Replace the dial so that the tab on the underside drops into the loop in the return spring. Use tweezers to coax it over the tab if you need to. Holding the dial down, turn it counter clockwise against the spring's tension until the tab rests against the brass stop. Then, holding the front edge of the dial _down_ so that the spring doesn't jump into the gap between the dial and the frame, carefully lift the rear side of the dial just enough so that you can turn the tab on the dial past the brass stop, then immediately lower it into place. Holding the dial down, slip the C-clip back into place. Check the dial to make sure it spins freely -- if not, try again. |
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