The entire movement has been stripped down and has been through the ultrasonic tank using the Horogreen 3-part process. Temporarily reassembled it now looks a lot better than it did:
The plates will be given a final polish before final assembly.
Now I could properly examine the pivot holes in the plates for wear; here’s two examples:
These are visibly oval, and the side-shake can be easily felt. Most of the pivot holes will need to be bushed – Bergeon bushes of the required sizes have been ordered from Cousins UK.
Most of the arbor pivots are worn as well:
Here’s one that has been turned in the lathe with a pivot file and burnisher, and awaits a final polish: