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.
How to Fix an Unbalanced Garage Door. Clear the area at the inside of the door for easier access to the mechanism. Periodic maintenance of your garage door includes balancing to ensure the door opens and closes with maximum efficiency. An unbalanced door can pose safety issues and tax a garage door opener. Contemporary sectional and roll up garage doors have coil springs that provide lift and resistance. Those who have little or no experience with these systems should not attempt balancing without first consulting a qualified technician.