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DOT Code: 511.586-010

Industry: smelt. & refin.

Assists Top-Precipitator Operator (smelt. & refin.) in precipitating aluminum hydroxide from rich liquor: Opens valves and starts pumps to fill precipitators according to schedule and to add specified seed charges to tanks as directed, using levelometer to determine amount of seed added. Raises and lowers circulating lines, using electric hoist. Drops metal weights from tops of tanks to break scale and crust formations in empty tanks. Lubricates valves and adjusts packing glands to prevent leaks. Examines precipitator tanks for adequate circulation and empty tanks for cleanliness. Performs other duties as described under Helper (any industry) Master Title.

GOE: 06.04.10 STRENGTH: M GED: R2 M1 L1 SVP: 2 DLU: 77