Watch the demo to catch practical tips and quick performance insights. In this video, we demonstrate the installation and operation of the 90391000 shaft pulley wheel grinding sharpener for Gerber XLC7000/Z7 auto cutters. You'll see how this critical component maintains constant contact pressure and ensures uniform grinding along the blade edge circumference, preventing local over-grinding or insufficient grinding. Learn proper maintenance techniques and replacement procedures to optimize your cutting machine's performance.