30 C.F.R. § 77.404 Machinery and equipment; operation and maintenance.
Title 30 - Mineral Resources
(a) Mobile and stationary machinery and equipment shall be maintained in safe operating condition and machinery or equipment in unsafe condition shall be removed from service immediately. (b) Machinery and equipment shall be operated only by persons trained in the use of and authorized to operate such machinery or equipment. (c) Repairs or maintenance shall not be performed on machinery until the power is off and the machinery is blocked against motion, except where machinery motion is necessary to make adjustments. (d) Machinery shall not be lubricated while in motion where a hazard exists, unless equipped with extended fittings or cups.
Title 30: Mineral Resources
PART 77—MANDATORY SAFETY STANDARDS, SURFACE COAL MINES AND SURFACE WORK AREAS OF UNDERGROUND COAL MINES
Subpart E—Safeguards for Mechanical Equipment
§ 77.404 Machinery and equipment; operation and maintenance.
