R11-1-522. Guarding of moving parts

A. Moving parts such as gears, sprockets, or chain drive, head, tail and take-up pulleys, flywheels, couplings, shafts, fan inlets, and similar exposed moving machine parts which may be contacted by persons and which may cause injury to persons must be guarded. B. Guards at conveyor-drive, conveyor-head and conveyor-tail pulleys shall extend a distance sufficient to prevent a person from reaching behind the guard and becoming caught between the belt and pulley.