Originally Posted by ATP100
I was taught to have the weight bar level when tensioning. (clamping)
Right or wrong, I did hundreds, if not thousands of racquets doing
I still own and use this machine from time to time.
You are correct, but Serranos and Stringway/Laserfibre are automatic drop wieghts. The angle of the weight bar has no bearing as to tension being appied, once it's set.