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 ...

Opening up the valve plate to examine reed valves—the heart of the air compressor. This diagnostic step checks sealing, ...

The problem: A piston-type reciprocating compressor has had valve damage, or the valves just are not sealing for some reason. This low-temperature refrigeration system has a thermostatic expansion ...

Diagnosing a faulty compressor valve is something HVAC technicians have to deal with on a semi-regular basis, and while a bad valve is often not the main reason a compressor fails, it is an integral ...