I have Mamiya Super Deluxe (Kominar 1:2). One of the aperture blades has gone adrift, so I need to get access to the rear of the shutter--any advice gratefully received.
This camera is built like most Japanese rangefinders of the late 50s and early 60s.
The shutter assembly is mounted on a square-ish plate. You have to remove that plate from the camera body (the screws are under the vinyl covering). Then remove the shutter from the plate. Then you can begin to dis-assemble the shutter assembly from behind.