![]() Turn the speed valve screw counter-clockwise for a faster close arc closing speed.Ģ. Turn the speed valve screw clockwise for a slower close arc closing speed. Closing speed adjustment is accomplished by full rotations of the speed valve adjuster. Adjust the closing speed first, then adjust the latching speed.ġ. ![]() This option only applies if the door closer is used on a non-fire rated door.Īdjusting Automatic Door Closer Adjustmentĭoor Closer Closing CycleNote: Closing arcs (Close and Latch) are controlled by two (2) separate speed valve adjuster. It is important to note that if that a hold open arm should never be used on a fire rated door closer. A hold open arm is an adjustable arm that allows the user to set the door to a hold open position. It is always best to turn out back the back check valve 1-1/2 to 2 full turns from the fully closed position for safety.Īdjusting Automatic Door Closer Hold Open Function Available (Note Hold Open Arm Should Not Be Used On Fire Doors):This option allows you to add a hold open arm to the door closer. The strength of the checking action is adjustable, and when it is fully employed (not recommended) it places considerable strain on the door closer, which can result in failing or leaking. The back check helps prevent damage to the door, door hardware, or to adjacent wall surfaces. For steel door applications.Īdjusting Automatic Door Closer Comes Standard With BackcheckThe adjustable back check provides a checking or cushioning effect as the door is severely thrust open, typically as it might be caught by the wind, or in violent egress by an individual.
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