skillfactor-pipeline/skills/chilling-operator/references/tasks.md

Tasks & work activities — chilling operator

Source: O*NET 30.3, occupation 51-9193.00 (Cooling and Freezing Equipment Operators and Tenders).

Task statements

• [Core] Monitor pressure gauges, ammeters, flowmeters, thermometers, or products, and adjust controls to maintain specified conditions, such as feed rate, product consistency, temperature, air pressure, and machine speed.
• [Core] Record temperatures, amounts of materials processed, or test results on report forms.
• [Core] Read dials and gauges on panel control boards to ascertain temperatures, alkalinities, and densities of mixtures, and turn valves to obtain specified mixtures.
• [Core] Correct machinery malfunctions by performing actions such as removing jams, and inform supervisors of malfunctions as necessary.
• [Core] Start machinery, such as pumps, feeders, or conveyors, and turn valves to heat, admit, or transfer products, refrigerants, or mixes.
• [Core] Assemble equipment, and attach pipes, fittings, or valves, using hand tools.
• [Supplemental] Adjust machine or freezer speed and air intake to obtain desired consistency and amount of product.
• [Supplemental] Scrape, dislodge, or break excess frost, ice, or frozen product from equipment to prevent accumulation, using hands and hand tools.
• [Supplemental] Weigh packages and adjust freezer air valves or switches on filler heads to obtain specified amounts of product in each container.
• [Supplemental] Stir material with spoons or paddles to mix ingredients or allow even cooling and prevent coagulation.
• [Supplemental] Start agitators to blend contents, or start beater, scraper, and expeller blades to mix contents with air and prevent sticking.
• [Supplemental] Measure or weigh specified amounts of ingredients or materials, and load them into tanks, vats, hoppers, or other equipment.
• [Supplemental] Load and position wrapping paper, sticks, bags, or cartons into dispensing machines.
• [Supplemental] Insert forming fixtures, and start machines that cut frozen products into measured portions or specified shapes.
• [Supplemental] Place or position containers into equipment, and remove containers after completion of cooling or freezing processes.
• [Supplemental] Inspect and flush lines with solutions or steam, and spray equipment with sterilizing solutions.
• [Supplemental] Sample and test product characteristics such as specific gravity, acidity, and sugar content, using hydrometers, pH meters, or refractometers.
• [Supplemental] Activate mechanical rakes to regulate flow of ice from storage bins to vats.

Detailed work activities

• Adjust equipment controls to regulate coolant flow.
• Adjust equipment controls to regulate flow of production materials or products.
• Adjust equipment to ensure optimal performance.
• Adjust temperature controls of ovens or other heating equipment.
• Assemble electromechanical or hydraulic systems.
• Clean production equipment.
• Clear equipment jams.
• Collect samples of materials or products for testing.
• Install mechanical components in production equipment.
• Load materials into production equipment.
• Measure ingredients or substances to be used in production processes.
• Mix substances to create chemical solutions.
• Monitor equipment operation to ensure proper functioning.
• Monitor instruments to ensure proper production conditions.
• Mount attachments or tools onto production equipment.
• Notify others of equipment repair or maintenance needs.
• Operate mixing equipment.
• Operate pumping systems or equipment.
• Position containers to receive materials or workpieces.
• Record operational or production data.
• Sterilize food cooking or processing equipment.
• Test chemical or physical characteristics of materials or products.
• Weigh finished products.