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[OM] Re: OM2n : what fails first, batteries or test ? [latest developeme

Subject: [OM] Re: OM2n : what fails first, batteries or test ? [latest developements]
From: Chuck Norcutt <chucknorcutt@xxxxxxxxxxx>
Date: Thu, 16 Nov 2006 15:47:38 -0500
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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