Airconditioning and Refrigeration Mechanic (342111)

Tasks & Responsibilities

• Establishing job requirements from drawings and specifications, and laying out installation reference points
• Drilling holes, installing mounting brackets and cutting, bending and threading piping
• Installing and repairing components such as compressors, motors, condensers, evaporators, switches and gauges, and copper lines for steam, gas, refrigerant, compressed air, oil and chilled water
• Bolting, soldering, riveting, welding and brazing pipes to connect equipment, and checking alignment and accuracy of fit
• Filling systems with gas or fluid to check for leaks
• Test-operating refrigeration systems, checking mechanisms and making adjustments
• Removing test gas and fluid using vacuum pumps, and filling with refrigerant
• Checking and overhauling refrigeration systems, diagnosing faults and repairing and replacing defective components
• Adjusting system controls and mechanisms and reassembling systems
• Recording causes of malfunctioning and action taken