(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.
[38 FR 4976, Feb. 23, 1973]