Mamiya 6x7 120 Roll Back: Broken Wind Lever Bushing
Originally posted on Instagram. Notes from the repair bench, kept here as a searchable archive. View the original on Instagram
Mamiya 120 6x7 Roll back repair. This back needed a replacement winding base plate due to a broken wind lever bushing. The number five photo shows the broken part on the left and the new part on the right. In my experience with Mamiya backs, repairs often require parts due to wear. And in this case, the back needed a number of replacement parts (seen in photo six) besides the winding base: wind pawl, return spring, film tension spring and roller.
While the repair cost might be the same or higher than a replacement back, most of these are forty or so years old by now and many that you purchase on the used market will need some repair. With the proper repair and replacement of parts, these backs should last for a long time.
