A professional who operates one or more continuous freezers and other equipment to freeze ice cream mix into semisolid consistency. Respnsibilities include:

• Weighs or measures powder and liquid ingredients, such as color, flavoring, or fruit puree, using graduate, and dumps ingredients into flavor vat.
• Starts agitator to blend contents.
• Starts pumps and turns valves to force mix into freezer barrels, admit refrigerant into freezer coils, and inject air into mix.
• Starts beater, scraper, and expeller blades to mix contents with air and prevent adherence of mixture to barrel walls.
• Observes ammeter and pressure gauge and adjusts controls to obtain specified freezing temperature, air pressure, and machine speed.
• Fills hopper of fruit feeder with candy bits, fruit, and nuts, using scoop, or pours syrups into holder of rippling pump.
• Sets controls according to freezer speed to feed or ripple ingredients evenly into ice cream expelled from freezer.
• Opens valve to transfer contents to filling machine that pumps ice cream into cartons, cups, and cones, or molds for pies, rolls, and tarts.
• Places novelty dies in filler head that separates flavors and forms center designs or rosettes in packaged product.
• Weighs package and adjusts freezer air valve or switch on filler head to obtain specified amount of product in each container.
• Assembles pipes, fittings, and equipment for operation, using wrench.
• Sprays equipment with sterilizing solution.