I have a brand new (to me) ER10 with a couple problems I am looking for advice on how to address them...

My first problem isn't I can't get the headstock to move on the way tubes:
The tie bar at the end on the left moves on the way tubes with the assistance of a hammer....
The carriage (that the table saw portion is mounted into) moves freely back and forth like butter...
The Headstock (with the motor mounted below it) only moves with a 2 x 4 and really big hammer. It is that tight/bound.
I have cleaned the tubes quite a bit and there are no rough spots. In terms of attempting to adjust the way tubes, I removed the two set screws from the tie bar. I have removed 1from the base plate arm on the right. At the moment the other set screw won't come out. I have tried PB blaster, liquid wrench, brute force, it just won't move.
Any ideas? I assume the headstock is supposed to move pretty freely like the carriage.
Problem #2 - In the past. someone bypassed the on/off switch! I suspect they had the machine plugged into an outlet on a switch and used that.
If I drop the motor down, I can see it is directly connected. If I look inside of where the switch would be, there are 4 terminals. I assume 2 from from the positive/negative of the motor and 2 from the positive/negative of the cord. But I don't know which wire goes where! Anyone know the pinout or have a picture so i can re-connect the wires to the correct terminal and be able to use the switch that came with the shopsmith?
Any assistance would be appreciated. The machine is new to me and I love the premise of it, it just needs a little love to get it working properly again!
Thank You in Advance...