Beemermark
Veteran
I have a IIIF that I had the curtains replaced and given a CLA most likely by Ye Youxin. Don't remember when it was done but probably 4~6 years ago. It's probably the best IIIF I've ever owned with great VF and RF patch. Anyway I was getting ready to shoot with it and while I was watching TV I was winding the film advance and tripping the shutter through all the shutter speeds. After doing this maybe 5 or 6 times the shutter wouldn't fire. Then I notice at the end of the knob wind it required a little extra effort to actually cock the shutter. The effort at the end felt really rough but it only took about 10 degrees turning the film advance to fire the shutter. So I opened the camera up and got a can of compressed air to make sure there wasn't any film chunks stuck in the shutter. There wasn't any. After doing that winding the film advance didn't move the shutter curtains at all. The film advance turned with zero effort. So now I think the shutter curtains have come un-glued the spool. So I'm playing with thinking it's back to Ye when the curtains start to move. Know the 10 degrees of roughness is in the middle of the advance (not the end). Another 5 or 6 tries and everything is back to perfection. Advance is smooth, shutter fires at all speeds. Life is good BUT what the heck is going on.