Remove the locking pin.
Adjusting a commercial door closer.
It s common to try to solve door closing problems by simply adjusting the spring tension but tightening this tension can make the door hard to open and loosening it can make the door.
This article is primarily about commercial door closers but the ideas here can be applied to.
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 models have separate adjustments for sweep s which.
The theory and practice of door closer adjustment with steps and detailed instructions to adjust the swing of your hydraulic door closer.
Start by removing the locking pin photo 1.
Door closer adjustment is a skill that requires knowledge patience and an ability to climb up and down a ladder several times.
A door closer has more adjustment possibilities than you might expect and getting a door to close just right may take several trips up and down a ladder.
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.
Spring adjustment is located on the end of the spring tube 5 32 allen wrench.
Most door closers have 2 3 different holes that you can use to attach the cylinder closer to or further away from the bracket to adjust the closing pressure.
Clockwise gives the closer more closing power which also makes the door harder to open and turning the screw counter clockwise will give the door less closing strength and makes the door easier to open.
Different door closer manufacturers tend to produce dissimilar products but all door closers have some sort of pressure adjustment.
Open the door 1 inch 2 5 cm if the closer is under too much tension to slide the pin out.
Some hydraulic door closer models also allow adjusting the back check.
Door closer adjustment is an art that requires knowledge patience and an ability to climb up and.
Tom has 17 years experience as a commercial locksmith and over 20 years in door hardware distribution.
Then add or release tension until you get the proper close rate photo 2.