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Author Message   Rick_oleson Tinkerer Username: Rick_oleson Post Number: 1042 Registered: 07-2006 Rating: N/A Votes: 0 Posted on Friday, January 15, 2010 - 03:43 pm:    This is reachable after removing the top cover. The problem is a pair of little spring-loaded pawls that make up the silent ratchet in the wind lever, if they get dirty and sticky they fail to engage and the lever freewheels. After removing the top cover, you can see these from the front of the camera, just 2 or 3 mm above the top of the chassis casting below the frame counter dial. A couple of drops of lighter fluid on these levers will fix the wind problem. The main thing to watch out for in replacing the prism is to take care not to damage the meter needle. Space is tight, and the needle is delicate.