Many thanks, that will certainly make the task a lot easier.

Upgrading Easimill 3 with dead PNC control (display faulty). Is it possible to get a copy of the wiring diagrams for this machine, in particular the drg for the connections to the spindle inverter ? ID Plate reads; Model: TDS/E/M/CNC Date: Sept 1984 Serial: 32232 Control Serial: 3206 Wiring Diagrams...

We use;
https://www.marchantdice.com/
They can machine ballscrews to suit your needs, they also sell on ebay.