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 ...

The core of a refrigeration system is the compressor. It is designed to pump cool refrigerant gas from the evaporator into the condenser. To accomplish this task, the compressor raises the temperature ...

At the heart of a commercial vehicle’s air brake system is its air compressor, which pressurizes air in the primary and secondary tanks to provide power for the air brakes and other pneumatic systems.