A good digital multimeter (DMM) is key to diagnosing compressor problems in general. For instance, in a previous article (May 15 issue of The NEWS) we discussed using the DMM to read suction and ...

Compressor failure can be traced to a number of system issues, including high condensing pressures, refrigerant floodback, service or replacement issues, a loss of charge, liquid slugging, motor ...

Years ago, it was common for shops to have a central power source that drove all the tools through a system of belts, wheels and driveshafts. The power was routed around the work space by mechanical ...