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Re: [OM] Fixed! OM-4 Stiff Shutter Speed Ring

Subject: Re: [OM] Fixed! OM-4 Stiff Shutter Speed Ring
From: "John Hermanson" <omtech@xxxxxxxxx>
Date: Mon, 2 Jun 2003 09:06:28 -0400
Luckily the bb on that model tends not to fly away.  That job is left to the
spot switch and spring.  Glad it worked out for you.
_________________________________
John Hermanson  www.zuiko.com
Camtech, Olympus Sales & Service since 1977
21 South Lane, Huntington NY 11743-4714
631-424-2121 For Free Olympus manuals,
please call 1-800-221-3000
_________________________________
----- Original Message ----- 
From: "John A. Lind" <jlind@xxxxxxxxxxxx>
To: <olympus@xxxxxxxxxxxxxxx>
Sent: Monday, June 02, 2003 1:30 AM
Subject: Re: [OM] Fixed! OM-4 Stiff Shutter Speed Ring


> At 23:32 6/1/03, you wrote:
> >In a message dated 6/1/2003 8:34:07 PM Central Standard Time,
> >jlind@xxxxxxxxxxxx writes:
> >
> >>Works smoother now than it ever has
> >
> >
> >John, Where do we send our OMs for repair?  Should John H. and Clint look
> >for part time work at the 7 Eleven?  Were I attempting this I'd still be
> >look for that ball bearing.  Great to hear of your success.  Bill Barber
>
> Thanks Bill . . .
> Before starting the "surgery" I had visions of trying to find the ball
> bearing . . . or the spring and pin . . . during/after disassembly.  The
> spring almost got away as I was reassembling it.
>
> Looked at the exploded parts view (thanks to Mark Dapoz) and made a
> reassembly risk assessment.  Disassembly isn't usually that hard; proper
> reassembly can be very difficult.  Akin to falling from a ladder; not the
> fall that hurts; it's the sudden stop at the end.  Took the risk as I want
> three 35mm bodies on hand this next weekend for a wedding shoot; having a
> fourth body as a spare makes me feel better.
>
> Used a ring-light large magnifier on a stand and worked in a shallow tray
> to limit things rolling off very far.  The only tools required were a pair
> of forceps (handling the pin and spring) and very small jewelers philips
> driver.  The critical part was watching the pin and spring, and ensuring
> the registration of the shutter speed gear train at the bottom didn't get
> out of whack.
>
> The SS Ring only has the detents and a slot for a tab that mates with and
> turns another ring under it . . . the second ring under the SS Ring has
the
> teeth that drive the SS gear in the bottom of the camera . . . and
> fortunately it doesn't have to be removed (but it is loose at that point
> and can fall out).  Were it any deeper than removing the flange and SS
> ring, or if cleaning and very judicious lubrication of the detent
> bearing/surfaces hadn't solved the problem, it would have gone to one of
> them.  It's about as deep as I want to dig into one and [seriously]
> **don't** want to do this routinely.
>
> John H. has overhauled two bodies for me (he's closer than Clint) . . .
did
> great work on both.
>
> Thanks,
> -- John
>
>
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>



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