1. On
2 would be OK but taking the weight off the line would be better.
3 I never use it so I would say no.
Doesn't hurt to scuff the rotor with a surface prep pad id you have it but isn't really needed either.
Why do you have it hanging with the lever depressed? Did you open the bleeder?
I learned all I need to know about life by killing smart people and eating their brains.
Eat right ,Exercise ,Stay fit, Die Anyway!
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