Much of the time we take for granted things like our automatic overhead garage door. Most people are really not that familiar with how the mechanism actually works, except that they push the button on the opener device and the door opens and shuts on cue.
Automatic garage doors work by being attached to metal tracks that run up and down on each side of the door. Pulleys that are attached to the door run in the tracks, as the run up each side of the door and then curve when they get close to the ceiling and run back towards the back of the garage. An electric motor pulls the door up and moves it downward when the signal is given by the homeowner with the remote opener.
Heavy, high tension springs are set at the back of the garage at ceiling level. These springs are counter balanced to offset the weight of the door and reduce the effort that has to be expended by the motor. These garage door repair Arlington Heights IL are built to last from between 10,000 to 15,000 cycles, or from three to seven years, depending upon their use. When the springs wear out, they must be replaced. It is not advisable for the homeowner to replace them, unless he really knows what he is doing, as it could be dangerous.
If a spring on a garage door quits working, it may not be obvious to a homeowner, but he will probably a garage door repair company to come and take a look. It is advisable to do business with a company that has been in business for a number of years, just to be sure you have competent work done. It is easy to check with the Better Business Bureau in your area, or ask you neighbors if they have had any experience using a repair company of this type.