Refrigeration Mechanics

Install and repair industrial and commercial refrigerating systems.

Job Task

• Adjust or replace worn or defective mechanisms and parts, and reassemble repaired systems.
• Adjust valves according to specifications and charge system with proper type of refrigerant by pumping the specified gas or fluid into the system.
• Braze or solder parts to repair defective joints and leaks.
• Cut, bend, thread, and connect pipe to functional components and water, power, or refrigeration system.
• Dismantle malfunctioning systems and test components, using electrical, mechanical, and pneumatic testing equipment.
• Drill holes and install mounting brackets and hangers into floor and walls of building.
• Fabricate and assemble structural and functional components of refrigeration system, using hand tools, power tools, and welding equipment.
• Install expansion and control valves, using acetylene torches and wrenches.
• Install wiring to connect components to an electric power source.
• Lay out reference points for installation of structural and functional components, using measuring instruments.
• Lift and align components into position, using hoist or block and tackle.
• Mount compressor, condenser, and other components in specified locations on frames, using hand tools and acetylene welding equipment.
• Observe and test system operation, using gauges and instruments.
• Perform mechanical overhauls and refrigerant reclaiming.
• Read blueprints to determine location, size, capacity, and type of components needed to build refrigeration system.
• Test lines, components, and connections for leaks.
• Estimate, order, pick up, deliver, and install materials and supplies needed to maintain equipment in good working condition.
• Insulate shells and cabinets of systems.
• Keep records of repairs and replacements made and causes of malfunctions.
• Schedule work with customers and initiate work orders, house requisitions and orders from stock.
• Supervise and instruct assistants.

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