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Classic Camera Repair » Archives-2004 » Jammed Seiko shutter in Mamiya Sekor 100mm/2.8 lens « Previous Next »

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Aaron

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Posted on Thursday, May 06, 2004 - 03:09 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only) Ban Poster IP (Moderator/Admin only)

I picked up the above lens with a jammed Seiko shutter. Does anyone can offer advice on unjamming it? Thanks!
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Ed

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Posted on Thursday, May 06, 2004 - 02:58 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only) Ban Poster IP (Moderator/Admin only)

do the blades look like they might be gummy? If they are it would need cleaning--this is typical of one that has been sitting round for a while
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Aaron

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Posted on Thursday, May 06, 2004 - 10:31 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only) Ban Poster IP (Moderator/Admin only)

The blades can't be seen. The shutter is open. How can I close the shutter? I believe the blades are gummy and needs cleaning. Is there a webpage on tearing down this shutter for cleaning? Thanks!
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Brian Wallen

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Posted on Saturday, May 08, 2004 - 01:32 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only) Ban Poster IP (Moderator/Admin only)

Aaron, here are some suggestions for flood cleaning shutters.
http://www.staff.uiuc.edu/~b-wallen/BN_Photo/GenTechShutters.htm

If there is more than just grunge on the blades and blade pivots, you will need to go further. Service manuals are available for many popular shutters, but they inevitably start with the disclaimer that "obvious" procedures have not been included. I usually take "obvious" to mean what a trained shutter mechanic would know. If you find any Web pages with more basic information, please share.

Good source for manuals is:
http://www.manualsrus.com
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Aaron

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Posted on Monday, May 10, 2004 - 02:20 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only) Ban Poster IP (Moderator/Admin only)

Thanks Brian for the tips. I'll look for a service manual and tear down the lens and give it a good cleaning. Aaron

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