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 ...

My Craftsman Model 919.165230 compressor with a 25-gallon tank served me well for over 12 years. I used it to paint motorcycle parts, power a cut-off tool for automotive body work, sandblast the ...

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 ...

How does a tech know the a/c compressor he or she is diagnosing is actually failed and that the problem is not a crankcase heater, condenser fan, or rubbed out wire? According to the contractors The ...