I'm not sure how it the mechanism meant to work and i don't have experience fixing cameras, so i'm not sure how to get it to work. Thought of cleaning it with
A Guide to the Film Camera Repair Process and Camera Diagnostics » Shoot It With Film
A Guide to the Film Camera Repair Process and Camera Diagnostics » Shoot It With Film
CCTV Cameras Providing and fixing - CCTV Cameras - 1082166311
Episode 19: Fixing Cameras with Jess Ibarra - mike eckman dot com