30 CFR Part 57Public Domain
§ 57.14115 — Stationary grinding machines
Subpart M — Machinery and Equipment
Stationary grinding machines, other than special bit grinders, shall be equipped with—
(a)Peripheral hoods capable of withstanding the force of a bursting wheel and enclosing not less than 270°—of the periphery of the wheel;
(b)Adjustable tool rests set so that the distance between the grinding surface of the wheel and the tool rest is not greater than 1/8 inch; and
(c)A safety washer on each side of the wheel.
Public Domain: 30 CFR Part 57 (MSHA Safety and Health Standards — Underground Metal and Nonmetal Mines) is a U.S. government publication and is not subject to copyright. Text extracted from the official source ↗. Figures are served from the eCFR; if one does not load, use the link in its place.