The term "safety switch" seams vague to me. Do mean an E-stop? Or a switch that has magnetic contacts that would prevent the machine from restarting...
I wouldn't bother greasing the bearings unless as Bill said if there's a vent for the old grease to vent out. If the motor has the original bearings...
Didn't want to hijack the other electrical thread so I'm asking here. I understand the issue with back stabbed outlets not holding up. But what's the...