... wheels, tighten bolts and screws, and reassemble equipmentAttach test instruments to equipment and read ... compressorsInspect, test, and listen to defective equipment to diagnose malfunctions, using test instruments such as ...

... equipment Attach test instruments to equipment and read dials and gauges to diagnose malfunctions ... compressors Inspect, test, and listen to defective equipment to diagnose malfunctions, using test ...