In this video, I demonstrate the restoration of an old air compressor using proper tools and techniques. The video is divided into two parts: the first half covers the disassembly of a seized air ...

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 ...

One of the more elusive causes of three-phase compressor motor overheating and failure is an imbalance in voltage. Compressor voltage unbalance can be found with a voltmeter by measuring between ...

Global Electronic Services reports that signs a servo motor needs repair include strange sounds, unusual vibrations, ...

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 ...