A professional who tends grain separating, washing, and scouring machines that remove foreign matter, such as dirt, smut, and rust, from grain preparatory to milling. Respnsibilities include:

• Adjusts slides in bin spouts and starts elevators to route grain from storage bins to machines.
• Turns valves to regulate water temperature and water level in washer, to adjust air suction to remove dust from separators, and to regulate flow of air through drier.
• Turns wingnuts to adjust angle of separator screens, according to grain flow and amount of refuse.
• Hooks bag under end of screen to catch refuse.
• Starts machines to process grain and observes flow entering machines to prevent overloading.
• Examines processed grain to verify cleanliness.
• Pounds chutes with mallet to dislodge clogged grain.
• May tend separating equipment only and be designated Separator Tender I.