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Author Message   Jon_goodman Tinkerer Username: Jon_goodman Post Number: 13 Registered: 05-2007 Rating: N/A Votes: 0 Posted on Thursday, January 31, 2008 - 06:13 am:    I'm working on a Mamiya 645...the basic one, unmetered (early model). The cocking/winding mechanism doesn't work and when I removed the two side covers, the first thing to greet me was a loose spring (about 3/8 inch long by 3mm in diameter). Obviously the answer, but what and where? Any ideas?