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Fallisphoto
Tinkerer
Username: Fallisphoto
Post Number: 153
Registered: 09-2006
Rating: N/A
Votes: 0 (Vote!) | | Posted on Saturday, August 20, 2011 - 10:37 am: | 
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I am trying to get into the shutter of a Zeiss Ikonta 524/2 for cleaning and I can't get the center lens element out. I figured it just unscrewed, but "righty tighty, lefty loosey" isn't working for me. The shutter is a synchro Compur. Is this left-hand threaded, is it just royally stuck or is there some trick way Zeiss used to get these in? |
Fallisphoto
Tinkerer
Username: Fallisphoto
Post Number: 154
Registered: 09-2006
Rating: N/A
Votes: 0 (Vote!) | | Posted on Sunday, August 21, 2011 - 08:29 am: |
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Anyone? |
Msiegel
Tinkerer
Username: Msiegel
Post Number: 256
Registered: 03-2008
Rating: N/A
Votes: 0 (Vote!) | | Posted on Sunday, August 21, 2011 - 09:15 am: |
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Hans Karensky has a lot of pics on Synchro Compur shutters:
http://tinyurl.com/3dwudjf
I did not see a left hand thread mentioned.
Not much, but maybe he can help.
Rgds
Martin |
Scott
Tinkerer
Username: Scott
Post Number: 157
Registered: 07-2006
Rating: N/A
Votes: 0 (Vote!) | | Posted on Sunday, August 21, 2011 - 10:56 am: |
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I have never seen left-hand threads in lens casings.
Does the casing have two notches? If so, then it was desinged to be threaded in and out in the normal fashion.
If it is seized, I suggest applying a very small amount of penetrating oil in the threads around the edge of the casing. Of course, you'd want to make sure not to use so much oil that some might run into the shutter.
On re-assembly, I smear a very, very small amount of stable, hi-temp silicone grease onto the threads. That will prevent it oxidizing and seizing again, in case somebody ever wants to take it apart again. |
Hanskerensky
Tinkerer
Username: Hanskerensky
Post Number: 103
Registered: 05-2009
Rating: N/A
Votes: 0 (Vote!) | | Posted on Monday, August 22, 2011 - 12:39 pm: |
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Charles, all the Compur shutters that i have seen on folders (and eveywhere else) have the normal right hand thread. Guess yours will be no exception.
I never worked on a 6x9 Mess Ikonta but have two of the smaller 524/16 6x6 types.
Just send me a PM with your e-mail and i send you mine so we can exchange images and information. |
Fallisphoto
Tinkerer
Username: Fallisphoto
Post Number: 155
Registered: 09-2006
Rating: N/A
Votes: 0 (Vote!) | | Posted on Sunday, August 28, 2011 - 01:32 pm: |
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Well, I got it done and the owner is very pleased with it. I found out what was wrong. Whoever had it before me had used pliers on it (god knows why) and it was out of round and had burred threads. I straightened it with a lens vise and cleaned up the threads as best I could. Focusing is still stiff, but at least it works now, and should loosen up over time. |
