INSTALLATION INSTRUCTIONS #1 14 Gauge Heavy Duty Hinge Tools Needed: ยป Adjustable Wrench or Socket Head and Driver + G Clamps o Locking Pliers A [f your door is connected to an automatic opener, he sure to disengage the opener therefor beginning work. Caution: Replace hinges only when door s in down amt docked position. Never replace more than one hinge at atoms.