Get rid of the fingers, inspect the maintaining springtime. Tidy the pin birthed and also gently oil with graphite oil the pivot factor according to OEM guidelines.
I assume the fingers are sticking, the power can be much decreased if unclean. Inspect the stroke, there is a range from the pin face to the hsk body in clamp and also unclamp states. Launch centre grub screw and also turn to change the size, after that squeeze the grub screw once more.
Up Until this is done, power dimension is meaningless.
I have actually had unclean hsk drawbars decrease from 27Kn to 18Kn simply by being unclean. Due to the fact that they stick prior to launching), (Likewise making clicking sounds. Incidentally, if mistakenly readjusted or sticking, the device might obtain obstructed in the pin, so take care.