DO always visually inspect grinding wheels before mounting for possible damage during transport and eliminate damaged ones.
DO always use a safety guard, which should cover nearly one half of the grinding wheel.
DO always use non-reinforced cutting-off wheels on fixed stationary machines.
DO always switch off the power at the supply and/or unplug the machine before changing the wheel.
DO always use the tools supplied by the machine manufacturer to change the wheel.
DO always ensure that the spindle speed of the machine is no higher than the operating speed marked on the wheel.