Counter clock wise turns increase the door closing speed/force, clockwise decrease or slow the door down. These screws will control the door’s closing speed, door delay, and door latching speed. You can adjust an automatic door closer using only a ladder and the appropriate tool (screwdriver, hex key, or small wrench) by making small turns – less than 1/4 turn – of one of the adjustment screws. When the door is open the delayed action is a delay time that is set to hold the door open for a bit (up to about 30 seconds) before it proceeds to close based on the sweep speed that has been set.

You may also be able to adjust the delayed action of the door.

Sometimes we hear customers say that the door is hard to open or that they want us to adjust the tension on the door closer, in these cases they are often referring to back check. Door closer BC (or Back Check) means how the door responds when fully opened – the amount of resistance when opening the door past a certain point.

Some hydraulic door closer models also allow adjusting the back-check.

Customers often refer to this as the door closer pressure since it is the adjustment that makes sure the door holds shut.

The latching speed – the last few inches of the door closing to latch properly.

The close swing (or ‘sweep’) speed – adjusting the door closing speed.

The most common door closer adjustments are: An hydraulic door closer is a mechanical device which automatically closes a door using springs and a system of chambers filled with a hydraulic fluids to control the motion/speed of the door.

Moi3d set flat direction sweep