Double-action hinges function to carry a double-swing door through its full range of motion and then act to close the door using internal springs under tension. These hinges can be adjusted for various closing tensions and are easy to install on a prehung or premortised door. A standard installation provides for one double-action hinge on interior hollow-core doors and a minimum of two double-action hinges for solid wood doors.
- Skill level:
Things you need
- Double-action hinge(s)
- Awl or nailset
Verify that the spring tension is released on the double-action hinge to be installed. These hinges are typically sold in a non-tension or “neutral” tension position. The spring tension can be released by clamping the hinge to the door edge and using an awl or nail set in the adjustment ring holes. Move the ring until the hole pin can be removed to release the tension.
Place the double-action hinge in the mortised hinge space of the door with the adjustment ring at the top. If installing on a prehung door with existing hinges, remove the existing hinges by removing the screws from the door and door jamb.
Beginning on the jamb side of the doorway, open the hinge leaf and attach it to the jamb using the screws provided with the hinge.
Extend the hinge assembly and swing the door to the point where the door-side hinge leaf fits tightly into the hinge mortise. Attach to the door using the remaining hinge screws provided.
Repeat Steps 1 through 4 for multiple-hinge installations.
Move the door to a closed position. Adjust the top hinge adjustment ring by inserting a nail set or awl into the holes and twisting the adjustment ring slightly to remove the locking pin and then tightening the tension by twisting the ring toward the adjacent door surface and away from the jamb. When the resistance is fairly stiff, insert the locking pin and allow it to set against the end stop to lock the ring. This rule of thumb applies to the tension adjustment for each adjusting ring on both sides of the door. Complete this step for each of hinge tension rings.
Swing the door open and allow it to be closed by the hinges. Adjust the tension rings on the hinges until the overswing of the door is 6 to 12 inches. The door should have a comfortable resistance when pushed open and fully close quickly.
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