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The cut-out pressure should be in accordance with the pressure setting of the piece number being used. (Common cut-out pressures are between 105-125 psi.) With the engine still running, make a series of brake applications to reduce the air pressure and observe at what pressure the governor cuts-in the compressor.
With use, the Air Relief Valve on your Hayward DE Filter may be damaged and no longer function. This guide shows you how to replace the Air Relief Valve on your Hayward DE Filter.tep 3. RELIEVE PRESSURE-Next you will have to relieve the pressure that builds up in the filter during operation. To relieve pressure turn the Air Relief Valve lever on top of the filter counter-clockwise. Water may spray out initially as you see the pressure on the Pressure Gauge go to 0 psi.