A professional who sets up and adjusts molding and coremaking machines, such as roll-over, squeeze, coremaking, and shell molding. Respnsibilities include:

• Obtains specified pattern, moves pattern to work station manually or using hoist, and bolts it to bed of mold or core forming machine, using wrenches.
• Adjusts stops, height of squeeze or roll-over mechanism, and height of sand hopper according to size of pattern or core, using handtools.
• Adjusts timing cycle of machines to specified settings.
• Replaces worn parts, such as air lines, gaslines, gaskets, and core box vents, using handtools.