Steps for removing proportional valve

Proportional valve from the valve body will be removed, and then turn the adjusting nut (screw before had better make a mark on the nut, so as to avoid back when loading ratio value deviation is too big), remove the valve core, o-rings, U ring, spring and check whether O, U need to be replaced (removed all of the sealing ring and spring are required to do the inspection, will not repeat in the story below). Soak the removed components in a cleaning agent.