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CFR > Title 30 - Mineral Resources > CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR > SUBCHAPTER O—COAL MINE SAFETY AND HEALTH (parts 70 to 90) > PART 77—MANDATORY SAFETY STANDARDS, SURFACE COAL MINES AND SURFACE WORK AREAS OF UNDERGROUND COAL MINES > SUBPART E—Safeguards for Mechanical Equipment (§77.400 to §77.413) > 77.401—Stationary grinding machines; protective devices.

CFR

77.401—Stationary grinding machines; protective devices.

(a) Stationary grinding machines other than special bit grinders shall be equipped with:
(1) Peripheral hoods (less than 90° throat openings) capable of withstanding the force of a bursting wheel.
(2) Adjustable tool rests set as close as practical to the wheel.
(3) Safety washers.
(b) Grinding wheels shall be operated within the specifications of the manufacturer of the wheel.
(c) Face shields or goggles, in good condition, shall be worn when operating a grinding wheel.
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