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Irregular Focal Plane shutter

 
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EASmithV



Joined: 06 Feb 2008
Posts: 20

PostPosted: Wed Mar 11, 2009 7:35 pm    Post subject: Irregular Focal Plane shutter Reply with quote

Ok, so I usually use the shutter in my lens, but recently I've been playing with enlarger lenses on my speed graphic. However, I've noticed... While speeds 30 and 50 always work perfectly, when I crank it up to 125, 250, 500 and 1000, the knob gets progressively more stiff, and when I fire the shutter, it sluggishly, slowly slides across at about 1/4 of a second... When I do this a bunch of times, it sometimes gets faster and seems to work properly, but then the same problem happens again. It's almost like it needs oil, but you can't just silicon spray it, can you?
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DHF845



Joined: 20 Jul 2008
Posts: 103
Location: Hudson Valley Area, Upstate NY

PostPosted: Wed Mar 18, 2009 10:27 pm    Post subject: Sluggish shutter curtain Reply with quote

Common problem. Sounds like it's time for a CLA! Are you mechanically inclined, 'cuz it ain't hard, but if you don't like fixing watches...
It means removing the camera back & upper + lower shutter mechanisms and cleaning them, then put 'em back together, wind the spring tension back up, etc.,etc.
Highly recomend you get a cheap reprint of the factory service manual if you've never worked on a Graflex shutter before.
Other alternative is to ask Les. He's fixed more Graphics and Graflexes then any of us will see in a lifetime!
_________________
Got first Speed Graphic at 15 (1976).Other kids were using 35mm SLR's. I ran around with flashbulbs and sheet-film holders, I wanted to be Weegee (#2084).
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