Ohio Revised Code Title XV. Conservation of Natural Resources § 1567.68

Coal spilled beneath belt conveyor drives or tail pieces shall not be removed while the conveyor is in motion, except where such coal can be removed without endangering persons.

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.

Machinery and equipment shall be operated only by persons authorized to operate such machinery or equipment.

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.

Machinery shall not be lubricated manually while in motion, unless equipped with extended fittings or cups.

Drive belts shall not be shifted while in motion unless the machines are provided with mechanical shifters.

Belt dressing shall not be applied while belts are in motion except where it can be applied without endangering a person.

Belts, chains, and ropes shall not be guided onto power-driven moving pulleys, sprockets, or drums with the hands except on slow-moving equipment especially designed for hand feeding.

Pulleys of conveyors shall not be cleaned manually while the conveyor is in motion.

No person shall violate this section.