Menus are sometimes hierarchically organized, allowing navigation through different levels of the menu structure. Selecting a menu entry with an arrow will expand it, showing a second menu (the sub-menu) with options related to the selected entry.
Torsion springs are normally mounted horizontally above the opening of your garage door. When you pull the door down, cables attached to the bottom corners actually force the springs to wind up, in turn energizing the system.
A hex wrench and needle-nose pliers are needed to adjust spring tension. Certain doors in your home may contain self-closing hinges. These hinges are spring-loaded and, once installed, apply enough spring tension to close the door automatically.Garage entry doors and doors to utility or mechanical rooms typically have these types of springs.ertain doors in your home may contain self-closing hinges. These hinges are spring-loaded and, once installed, apply enough spring tension to close the door automatically.