Ice-maker grinding faceplate heavily rusted causing rusty ice

Disassembled ice-maker, noting what screws went where, what direction ice release control arm pointed, and noting how the control arm spring was mounted. The door assembly comes off first followed by the circular assembly that houses the ice door and last grinding arms. It is quite easy see how it comes apart as you look at the screws. Remove the screw holding the back end of the control arm and note the spring position. The control arm needs to be turned to line up notches to pull it thru a faceplate hole while rotating the arm about the "U" that is on the outside of the faceplate in the door housing. There is a retaining clip holding the rotating impeller to remove to complete the dis-assembly. Use vinegar to clean rust out of bin and other parts around the faceplate. Assemble the unit in the reverse order to complete the job.