Operate refining machines equipped with rollers to grind chocolate paste.
What does a Refining Machine Operator do?
Operates refining machines equipped with rollers to grind chocolate paste in accordance with specifications: Starts conveyor to feed chocolate into refiner hoppers. Feels consistency of chocolate in hoppers to determine grinding required. Turns handwheels on machine to adjust clearance between rollers. Opens hopper and starts machine that feeds chocolate between rollers of refining machine. Observes thermometer or feels rollers and turns water valves to obtain specified temperature of rollers. Examines, feels, and tastes ground chocolate paste to ascertain if color, texture, and taste meet standards. Collects sample of paste for laboratory analysis. May observe flowmeters and turn valves to measure out cocoa butter, vegetable oil, and other ingredients, according to formula, and to fortify chocolate in mixing tanks. May scoop refined chocolate paste into wheeled troughs or barrels. May weigh and transport barrels to cold storage rooms, using handtruck.