Change 220V - 3 Phase to 440V -3 Phase.

  1. Move wire T2 at transformer from 220v to 440v

 2. Change wires input to Spindle motor and Grinding wheel motor from 220v to 440v.
   Open electric cover motor,behind the cover, they have instruction to change to 440v.

      3.Adjust over relay ( amp ) depend on motor.