Tend vibrating screens that separate crushed ores according to size.
What does a Screen Operator do?
Tends series of vibrating screens that separate crushed ore or stone according to size: Pushes controls to start screens vibrating and move ore on conveyors or belts. Pulls levers to discharge crushed ore from conveyor or chute onto vibrating screens. Clears screen holes clogged with oversize ore, using bar. Removes clogged screens, using wrenches, and cleans them with compressed air. May tend conveyor belts and process ore through crushers [CRUSHER TENDER]. May obtain ore samples, using mechanical sampler, hand sieve, or splitter. May tend screens that separate phosphate rock from matrix and be designated Feed-Preparation Operator.