Mamiya PRO 645 - Manual (Page 14)

Removing the Crank
Push the lock Lever (A) on its bottom
in a forward direction as far as it will
go (see illustration).
Attaching the Crank
With the flat part, having a White You may choose six different crank
Index Line, on top, line the Crank up starting positions to suit your prefer-
against its mounting plate on the side ence. The orientation of the crank
of the body and push Film Advance proper against its base, before it is
Crank Lock Lever backward. attached to the camera, will be
maintained when the entire assem-
bly is locked into place.
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