Fire Door Closers Adjustment

It is used to adjust the spring strength force to close the door. Almost all door closers will have the above two adjustment hydraulic valves but some have additional features which can be adjusted similarly. The back check valve if featured will usually be set apart from the first two discussed and may be marked with a b or bc.

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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.

Fire door closers adjustment.

Door closer adjustment is an art that requires knowledge patience and an ability to climb up and down a ladder several times but with these attributes and the appropriate wrench hex key or screwdriver you can do it yourself. Other door closer adjustments. How to adjust a commercial door closer. Door closers consist of a pneumatic cylinder which controls the speed of the door and a bracket which holds the cylinder to the door.

Spring adjustment is located on the end of the spring tube 5 32 allen wrench. We installed a commercial door closer for our office in a previous video and in this video we wanted to show two diff. Look at the end of the cylinder closest to the bracket with the door closed to see the adjustment screw.

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