SCHLEUNIGER UNI STRIP 2500 UNISTRIP STRIPPING MACHINE PNEUMATIC - NOT WORKING I

I connected air to this and stripped some wire as shown. Regarding the photograph of the stripped wire, on the left the strip length is adjusted every 1/8" starting from 1/4" through the highest setting with the pullback length setting at 1/8" and on the right the strip length is at the highest setting and the pullback length is adjusted every 1/8" from 1/4" to the highest setting as shown. Pullback length does not go all the way to 0" or all the way to 1 3/16" as shown. Pictures are of actual item. Pneumatic hose not included. Although this did strip wire as shown, this system is not operating properly and is offered here for parts only.