Job Description:

• 1) Tends machines that crush, mix, or pulverize materials, such as limestone, shale, oyster shells, clay, iron ore, silica, gypsum, and cement clinkers, used in making cement: Starts mill and conveyors.

• 2) Observes conveyor system to ensure continuous flow of material.

• 3) Stops conveyor and removes clogged material, using bar.

• 4) Opens chute over conveyor to add materials, such as iron, silica, or gypsum, according to specifications.

• 5) Observes operation of auxiliary equipment, such as cement pumps, air or screen separators, air slides, cement coolers, and dust collectors.

• 6) Turns valves to regulate water, air, and oil lines on machine, according to laboratory specifications.

• 7) May regulate feeder mechanism on machines not equipped with automatic regulators.

• 8) May add moisture to materials to facilitate flow into machine.

• 9) May be designated according to type of mill tended as Ball-Mill Operator; Finish-Mill Operator; Hammer-Mill Operator; Miller, Rod-Mill; Pug-Mill Operator; Raw-Finish-Mill Operator; Tube-Mill Operator; Vertical-Mill Operator.