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Author Message   Brcamera Tinkerer Username: Brcamera Post Number: 246 Registered: 08-2010 Rating: N/A Votes: 0 Posted on Friday, February 15, 2013 - 01:28 pm:    Yes, you will need to remove retaining ring on the flash cord lock lever with a small spanner. Settings on the shutter, aperture, and focus are unimportant on removal of the front cover. However, settings on re-installing the front plate are critical. When the front plate is removed, you will notice a differential assembly. This is what connects the shutter and aperture to the meter. It can be a quite frustrating exercise to align the differential and the shutter/aperture gears together. If you search the archives, there should be some info that I posted a while back on this alignment of the differential.