30 CFR 56.14105 : Mineral Resources (§ 1.1 To Parts 1291-1299) — (§ 1.1 To Parts 105-199) — Mine Safety And Health Administration, Department Of Labor (§ 1.1 To Parts 105-199) — Metal And Nonmetal Mine Safety And Health (§ 56.1 To § 58.620) — Safety And Health Standards - Surface Metal And Nonmetal Mines (§ 56.1 To § 56.20014) — Machinery And Equipment (§ 56.14000 To Appendix I To Subpart M Of Part 56) — Safety Devices And Maintenance Requirements (§ 56.14100 To § 56.14132) — Procedures during repairs or maintenance.

4 Aug 2016

Repairs or maintenance of machinery or equipment shall be performed only after the power is off, and the machinery or equipment blocked against hazardous motion. Machinery or equipment motion or activation is permitted to the extent that adjustments or testing cannot be performed without motion or activation, provided that persons are effectively protected from hazardous motion.

30 CFR 56.14105