How To Adjust Door Closer Hinge. Place the hex wrench into the socket at the top of the spring hinge and turn in either direction to release tension on the pin. Remove the pin with a pliers.
Tweak the hinges until you get a smooth open and close. Fold a matchbook cover or piece cardboard of similar thickness four times. Turn the adjusting screw to the left to lower the door.
Locate the tension adjustment screw at the end of the pneumatic cylinder.
To adjust a door that swings open or closed on its own it is probably because the door lining/frame is out of plumb. Turn these screws clockwise to make sure the door is secure. Place the hex wrench into the socket at the top of the spring hinge and turn in either direction to release tension on the pin. Door closers consist of a pneumatic cylinder, which controls the speed of the door, and a bracket, which holds the.