---
kind: "section"
citation: "30 C.F.R. § 77.401"
title: "30"
number: "77.401"
heading: "Stationary grinding machines; protective devices."
url: "https://uscodex.org/cfr/30/77.401"
---

# §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.

## Notes

### Authority

Authority: 30 U.S.C. 811.

### Source

Source: 36 FR 9364, May 22, 1971, unless otherwise noted.