How To Adjust Door Closer Tension. Door closers consist of a pneumatic cylinder, which controls the speed of the door, and a bracket, which holds the cylinder to the door. Turning the valve clockwise will cause the door.
Yes, you need a medium to reach the closer. Using a flathead screwdriver, tighten screw (turn clockwise) to raise tension and slow speed of door closing action. The most common door closer adjustments are:
Turn it counterclockwise to increase the force.
Turning the valve clockwise will cause the door. Rotate the wrench until the next hole comes into view and install the pin. Position a stepladder under the yale closer. Look at the end of the cylinder closest to the bracket, with the door closed, to see the adjustment.