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Author Message   Johnphoto Tinkerer Username: Johnphoto Post Number: 18 Registered: 03-2008 Rating: N/A Votes: 0 Posted on Saturday, July 04, 2009 - 12:41 pm:    The top piston is a very tight fit and would have to be machined to work properly. But I could get by with just T and B. I took the front plate off hoping to be able to reattach the loose shutter blade, unfortunately no access from above. Looks as though the back has to come off, and as the shutter blades are above the iris I guess this means the iris has to come apart--pretty daunting. Any pointers? Am posting a couple of pics in case anyone is interested. The TBI dial and the speed dial lift off when center screw is removed. Cocking lever: remove 3 outer screws. Remove adapter ring between front lens cell and shutter. Front plate is now held on by just two screws: a long one below the cocking lever, and a tiny one under the left end of the aperture scale. (The screw to the right of the speed dial is an adjustment screw I believe.)