30 C.F.R. § 57.19008 Friction hoist synchronizing mechanisms.
Title 30 - Mineral Resources
Where creep or slip may alter the effective position of safety devices, friction hoists shall be equipped with synchronizing mechanisms that recalibrate the overtravel devices and position indicators.
Title 30: Mineral Resources
PART 57—SAFETY AND HEALTH STANDARDS—UNDERGROUND METAL AND NONMETAL MINES
Subpart R—Personnel Hoisting
Hoists
§ 57.19008 Friction hoist synchronizing mechanisms.

