Tasks and 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