Hello all
I have a Diamond B reproducer with a curious problem. I went to rebuild it, and
when I tried to unscrew the diaphragm retaining ring, it turned but did not
want to come out. Finally I eased it out by unscrewing while working a small
screwdriver blade under it to help push it outward. When it came out, I noticed
that it had Scotch tape wrapped around it. When I removed the tape and went to
screw it back into the reproducer, it fell to the bottom of the reproducer
body. The threads did not engage with the body. I had another ring from a
Diamond C and it did the same thing, but both rings worked in the Diamond C. I
thought they were two different sized reproducer bodies, but apparently they
are supposed to be the same diameter.
A knowledgeable collector friend suggested that the pot metal body of the
Diamond B might have expanded. Has anyone else had this happen? What would be a
solution, other than shimming the ring again? Or is that THE solution?
Thanks
John Robles
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