
Do not remove the disc flange. OPERATION • Make sure the flats on the bottom of the disc flange are engaged with the flats on the spindle. • Place the grinding wheel over the spindle. • Thread the clamp nut on the spindle with the flat side of the nut facing up. • Fit the raised, small diameter portion of the clamp nut into the hole in the wheel and finger tighten. WARNING: Always install a grinding wheel with the depressed center against the disc flange. Failure to do so will cause the grinding