| Job Title |
Refining-machine Operator |
| Job Description |
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.
Starts Machine To Separate Caustic From Oil By Centrifugal
Force. Sets Thermostat, Observes Gauges, And Regulates Valves To
Maintain Prescribed Temperature In Wash And Dryer Tanks. Turns
Valves To Pump Mixtures To Wash And Dryer Tank To Remove
Byproducts With Water, And Impurities With Heat. Turns Valve To
Pump Refined Oil To Storage Tanks. Cleans Bowls, Using Water And
Steam. May Test Samples Of Crude And Refined Oil To Determine
Specific Gravity And Free Fatty Acid Content, Using Hydrometer
And Refractometer. May Be Designated According To Type Of
Machine Tended As Sharples-machine Operator (oils & Grease).
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