Also helping understand what check valve t.
Air compressor leaking check valve.
Air continuously leaks out of the unloader valve on your air compressor and this is a problem.
The air compressor check valve can be found on almost any compressor out there check valves are used for example on reciprocating piston compressors rotary screw compressor and scroll compressors.
A video on air compressor check valves telling information you need to know about replacing them and installation.
If it is no longer keeping the air in the tank due to it leaking then the tank full of compressed air flows out of the unloader valve too until the tank pressure drops to the cut in pressure.
There are a few things that you can notice if you have a damaged check valve in your compressor.
The tank check valve an image of one which is shown below is typically located where the air line from the pump head enters the compressor air tank.
Identification of a faulty check valve in air compressor.
Well if air continuously leaks out of the unloader valve then the compressor tank is emptying and the compressor needs to restart to replenish the air in the tank to get back up to cut out pressure so it can stop on its own.