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Mrnobody
Tinkerer
Username: Mrnobody
Post Number: 1
Registered: 06-2009
Rating: N/A
Votes: 0 (Vote!) | | Posted on Wednesday, June 03, 2009 - 02:36 pm: | 
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Hello. I have an Olympus 35 RC which I got for £5, it's in great condition apart from a little ding on the top plate, and the aperture blades stuck on a small aperture, almost closed (the hole is about 1.25mm diameter).
I thought I'd have a go at fixing it myself, a: I've found myself unemployed and b: it was £5 and I love fixing things. Can anyone post and links to posts showing possible fixes, or dismantling tutorials etc? I've hunted, but my Google skills seem poor. |
Sauli_särkkä
Tinkerer
Username: Sauli_särkkä
Post Number: 55
Registered: 03-2009
Rating: N/A
Votes: 0 (Vote!) | | Posted on Saturday, June 06, 2009 - 01:26 am: |
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If I recall correctly, you can get to the aperture by
1. removing the front retaining ring
2. lifing out the meter cell assembly along with the ISO setting system
3. unscrewing the focus coupling
4. turning the front lens group, lifting it out of the helical
--> now you should see the aperture blades. If they're stuck together because of gunk or debris, you can sometimes get them to work properly by just giving them a little touch and a fiddle with a cotton swab. If not, you'll have to go further with the disassembly.
There's also a potential problem with the aperture catch that is linked to the metering needle. That can be found and looked at by removing the left-hand front leathers (from the photographer's point of view) and removing the covering plate. You can fiddle the plate out without removing the top and bottom covers, but it's much easier with at least the bottom plate removed.
If you need to remove the top plate, it's no big deal:
- unscrew all three (?) tiny screws
- jam the film rewind knob by holding the axle's fork still with a screwdriver, etc. and just winding the handle counter-clockwise
- using a two-pronged tip, unscrew the shutter speed setting dial counter-clockwise
- ..and lastly, unscrew the self-timer lever's screw that has A "BACKWARDS" THREAD, or in other words, it'll come out by turning it clockwise
Take care when lifting the top cover, since the flash sync wire is soldered on.
Oh, does the shutter fire in any case? The aperture system on the RC is always set to its smallest aperture when the shutter release is not being pressed. It opens up to the set (or metered) aperture when the shutter release is pressed down.
-Sale |
Sauli_särkkä
Tinkerer
Username: Sauli_särkkä
Post Number: 56
Registered: 03-2009
Rating: N/A
Votes: 0 (Vote!) | | Posted on Saturday, June 06, 2009 - 01:28 am: |
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Almost forgot. Here's a few snaps of the removal process: http://www.saulisarkka.com/gallery/Cameras/Olympus%2035%20RC%20front%20element%2 0swap/index.html
-Sale |
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