SCHLEUNIGER UNI STRIP 2500 UNISTRIP STRIPPING MACHINE - NOT WORKING

I set the left knob a 1 3/16" and the right knob at 1/16". The unit was supposed to strip 1 3/16", but only stripped 1" of wire. The strip length was not correct. The sensor trigger works, but the strip length isn't accurate on the system. A fair amount of the lettering has worn off on the system. The knobs spin back a small amount when spun to the furthest settings. In general, this system is not operating properly and is offered here for parts only.