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TITLE(s): PARAFFIN-PLANT-SWEATER OPERATOR (petrol. refin.) alternate titles: sweater operator Operates sweater tank to separate liquid from slack wax (processed paraffin distillate): Pumps charge of slack wax into sweater tank. Opens valves to circulate cold water through sweater to cool slack wax. Opens and closes steam valves and reads temperature gauges to sweat (heat) cooled wax at specified temperature levels for specified periods. Turns valves to divert cuts (waxes of different boiling points and specific gravities) to storage tank after completion of each run. Takes samples and observes melting point of each cut at regular intervals. Opens valves to admit steam into sweater tank to melt wax residue when run is completed. Drains melted wax residue from sweater into storage tank. GOE: 06.02.12 STRENGTH: L GED: R3 M2 L2 SVP: 4 DLU: 77 ONET CROSSWALK: 92962 Separating, Filtering, Clarifying, Precipitating, and Still Machine Operators and Tenders | |||||||||||||||||||||||||||||||||||
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