Snap a locking pliers onto the torsion tube to lock it into place while you tighten the drums. Rotate the drum to wind the cable into the winding grooves. Pull the cable as tight as possible before tightening the setscrews. Leave the locking pliers in place and repeat the tightening procedure on the other side. You want equal tension on both sides. Otherwise, the door will open unevenly.
A garage door that has a broken spring has nothing to support its weight. The size of the door and the type of spring system determines how difficult opening the door will be. A garage door should not be opened until the spring is repaired. However, when you need to get your car out of the garage, it may be necessary if you cannot wait for the repairman. Use extreme care when opening a garage door in this manner. http://www.youtube.com/watch?v=Z_eZc-kh40c&feature=youtube_gdata
Insulation increases the efficiency of your door and can lower your electric will. You need R-value garage doors. These type of doors keep out hot and cold air and also provide a sound barrier between the outside and your garage. Insulated doors use polyurethane or polystyrene foam as insulation inside the door. More information about garage door replacement cost.
Quite a few garage doors come with manual locks, especially older models, for added security for your house. These typically look like a knob or handle in the middle of your door with two bars running horizontally from each side. There may be a small button on the top or side of the handle that you can press to slide the bars across the doors, thus locking the garage door from the inside. It can be somewhat easy to accidentally hit that button, especially if you’re getting large objects out of the trunk of your car near the door.
• Extension springs: Garage door extension springs stretch to provide lifting power for the door. These springs are typically made of steel and mounted above the horizontal track of the garage door. A safety cable should run through your extension springs to prevent possible injuries or property damage. Extension springs are the most common type of garage door spring for residential use and can break after excessive usage.