|Beveled Edge (see chart below)||Sweep||Sweep is adjusted by turning screw CW to increase resistance/slow closing speed|
How do you adjust a concealed door closer?
Insert the retainer between the chain links closest to the cylinder face plate. Remove the anchor plate from the door frame and turn the anchor plate clockwise to increase the tension and anti- clockwise to decrease the tension. Re-fix the anchor plate to the door frame and remove the retainer.
Can door closers be adjusted?
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. These screws will control the door’s closing speed, door delay, and door latching speed.
What does S and L mean on a door closer?
Some models have separate adjustments for “sweep” (“S”), which is the speed with which the door moves when it starts closing, and “latch” (“L”), which is the speed it moves when it is about to close. … High backcheck tension prevents people from damaging the wall when they push the door open.
How do you adjust a steel door?
Hold the front edge of the door and try to move the entire door up and down. If the door moves, the bottom screws on the hinges are loose. Hold the front edge of the door and try to move the entire door back and forth at the hinges. If movement is possible, the center screws on the hinges require tightening.
How do I adjust Perko?
Adjusting Procedure 1 Fit metal fixing plate (4) as near to cylinder plate (2) as possible. 2 Remove anchor plate (3). : 3. Turn anchor plate clockwise to increase tension; anti-clockwise to decrease tension.
What is a concealed door closer?
Concealed fire door closers provide the functionality of an overhead door closer but are fitted within the door leaf and frame. This type of installation is aesthetically pleasing and helps to reduce vandalism, as most of the door closer is hidden from sight.