PDFWAC 296-807-18040
Make sure abrasive wheels are safe to use.
(1) You must do the following before mounting a wheel:
(a) Visually inspect the wheel for cracks or damage;
(b) Perform a ring test for cracks (size and shape of the wheel permitting);
(c) Make sure the spindle speed of the machine is not greater than the operating speed of the wheel.
(2) You must make sure a damaged or cracked wheel is not mounted or used.