Spring Hinge Installation and Adjustment Instructions Included in box: Spring Hinge, tension hex wrench, straight wrench, locking pin, steel screws. Position: ©On a door with three hinges, install regular bearing hinge at top, and spring hinges at center and bottom positions. Preparation: Install spring hinges in normal manner with the tension adjustment end up. Open the door to 90 degrees angle, and push it closed. When door fatties, the hinges are ready for tension.