Bob is a service technician who is well trained and nationally certified. However, he sometimes suffers from the same confusion that all technicians occasionally do - the facts that he gathers may or ...

Aspirated foam systems consist of a water pump and a foam proportioner. CAFS also include an air compressor. During your regularly scheduled truck check, for apparatus with aspirated foam or CAFS, you ...

In a perfect scenario, the oil in a refrigeration or air conditioning system would stay inside the compressor’s crankcase to lubricate the compressor’s moving parts. However, because of ever-changing ...