Job Description:

• 1) Tends machine that refines crude oils, such as soybean, cottonseed, and peanut: Turns valve to pump oil and caustic solution from storage tanks into machine tanks as specified.

• 2) Starts machine to separate caustic from oil by centrifugal force.

• 3) Sets thermostat, observes gauges, and regulates valves to maintain prescribed temperature in wash and dryer tanks.

• 4) Turns valves to pump mixtures to wash and dryer tank to remove byproducts with water, and impurities with heat.

• 5) Turns valve to pump refined oil to storage tanks.

• 6) Cleans bowls, using water and steam.

• 7) May test samples of crude and refined oil to determine specific gravity and free fatty acid content, using hydrometer and refractometer.

• 8) May be designated according to type of machine tended as Sharples-Machine Operator.