The objective of optimized shaft alignment is to increase the operating life span of rotating machinery. To achieve this goal, components that are the most likely to fail must be made to operate ...

Motors for air conditioning and refrigeration equipment are special-purpose motors called “hermetic,” meaning they’re sealed. They’re sealed because they’re in the same housing as the compressor and ...

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 ...

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 ...

Article 440 applies to electrically driven air-conditioning (A/C) and refrigeration equipment. Each equipment manufacturer has the compressor motor built to its own specifications. The motors are ...

Years ago, we used to enjoy watching diehard ARB-equipped off-road enthusiasts stubbornly (and slowly) fill up their tires using their own ARB on-board air compressors—even when another air source was ...