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Author Message   Nickm758 Tinkerer Username: Nickm758 Post Number: 31 Registered: 02-2008 Rating: N/A Votes: 0 Posted on Tuesday, February 05, 2013 - 06:14 pm:    Hello everyone, I'm having some trouble with a rim-set Compur on an original Rolleicord. Specifically, I'm having trouble with the 1/50 and 1/25 speeds. 1/50 doesn't fire reliably, and 1/25 is firing at 1 second. All the other speeds seem okay. In this picture here (not mine) >> http://farm5.static.flickr.com/4092/5090256464_8cff15019d.jpg >> I seem to be having trouble near the escapement, at the 4 o'clock position. There is a pin that moves in and out governing speed - when the shutter is cocked at 1/25, this pin moves all the way towards the lens (up and left in the picture) and then the shutter fires at 1 second. Is this a lubrication issue? Has the shutter been put together incorrectly? Any help is most appreciated!