. should it not, do not force it, instead contact a factory representative. . slowly turn the pilot calibration screw ccw until water start dripping through cock valve [ ]. retighten the screw cw until the drip stop & ⁄ of a turn more. tighten the pilot calibration screw locking nut. . close cock valve...
than smaller prv. . relief valves should be set bar above system highest set-pressure. iom - trouble-shooting . valve fails to open: check for sufficient inlet pressure, create demand/flow, confirm pilot setting & check cock valves status, confirm power supply to solenoid & confirm solenoid coil is not...
the valve. . the restriction [ ] enables the -way control & reduces valve closing speed. iom - trouble-shooting . valve fails to open: check for sufficient inlet pressure, create demand/flow, confirm pilot setting & check cock valves status, confirm power supply to solenoid & confirm solenoid coil is not...