Push in red button and turn to backwash to relieve system pressure.
Using a screwdriver, remove injector screen and injector cap.
Clean screen using a fine brush. Flush until clean.
Using a needle nose pliers, pull injector straight out.
Flush water into injector screen recess of the valve body to flush debris out through the injector recess.
Clean and flush the injector.
Lubricate the O-rings on the injector, injector cap and injector screen with silicone lubricant
Reinstall the injector, injector cap and injector screen. Caution: Do not over tighten the plastic cap. Seat the cap lightly into position. Over tightening may cause breakage of the plastic cap that may not be immediately evident.
Plug in the power
Slowly open the water supply or return bypass valves.