Click Here for Details

DOT Code: 559.382-022

Industry: chemical

Controls pressure, temperature, and water level of cooking tanks, and operates centrifuges and separators, to manufacture animal glue: Admits hot water and steam into cooking tanks containing crushed animal bones, following specifications [Bone-Cooking Operator (chemical)]. Opens valves to drain glue and tallow solutions (grease) into separate vats [Pressure-Tank Operator (chemical)]. Starts centrifuge machine that separates animal oils (grease) from glue solution [Centrifuge-Separator Operator (chemical)]. Cooks glue solution to evaporate water from glue. Reads gauge of hydrometer to determine percentage of glue solid in solution. Disassembles plates of centrifuge, using wrench and hoisting device; and cleans plates, using brush and abrasives. May weigh and add specified amounts of chemical to preserve glue. May direct other workers engaged in cleaning tanks or vats.

GOE: 06.02.18 STRENGTH: M GED: R3 M2 L2 SVP: 5 DLU: 77