Aligns and adjusts mold halves to ensure casting of grids according to specified thickness, using handtools. Turns valves to control flow of lead to ladles and water to mold-cooling sprays. Starts machine that automatically pours specified amount of lead from ladle into mold. Inspects parts ejected from molds to detect defects or discolorations, and measures and weighs grids, using fixed gauges and scale, to ensure conformance to thickness and weight specifications. Adjusts temperatures of lead and molds and flow of lead or water to correct defects.
Removes lead adhering to mold, using brush or scraper.
Skims dross from molten lead, using hand ladle. May operate single-mold machine equipped with press that automatically trims grids. May repair pipe connections and stitch or replace conveyor belt, using handtools. May change or adjust molds.