How Garage Door Openers Work

Apr 8

How Garage Door Openers Work

A garage door could not automatically open without the help of the opener, but it could still be opened manually.

Many homeowners use their garage door openers daily but don’t understand how they work. However, these machines work hard, usually several times a day, to provide convenience to a household. Homeowners should understand the purpose of their opener and how it works daily to open and close the garage door. Consider the following information to understand better how these machines work.

What a garage door opener does

Modern garage doors use an electric motor to operate the garage door. The electric motor provides a small amount of force to control how much the door opens and closes. It is also used to hold the door in place and, in some cases, keep it shut if there’s no manual lock.

It may be surprising that garage door openers only use a small amount of force to operate the heavy door. However, the garage door opener isn’t what bears the weight of the door.

What lifts a garage door

A garage door could not automatically open without the help of the opener, but it could still be opened manually. The torsion springs and cables really allow the door to open so easily. Without the help of the torsion springs to counterbalance and take on ninety percent of the door’s weight, it would be far too heavy to open. The springs take on most of the weight and are also connected to the shaft and cables running along each side of the door. All these parts and the chain or belt used overhead work together to move the door up and down. The door also has rollers on a track on either side of the door that allows the door to move smoothly and on a particular path.

What to do without power

Should the power go out, a release cord, usually red and hanging down from the top in front of the opener, disconnects the door from the opener. This puts the door in manual mode. Once in manual mode, the door can be opened and closed by simply lifting it.

If lifting the door requires more than one hand, falls when set, or shoots up while being lifted, the springs are likely out of balance. The springs must be wound precisely to ensure the garage door is safe and lasts longer. Spring imbalances can be avoided by scheduling a routine annual check-up from a local garage door company. These check-ups take little time and provide peace of mind and a longer-lasting spring.

A garage door opener provides ease in operating a garage door, but the springs, cables, belts, rollers, and tracks truly allow the door to move. Homeowners should understand the critical role a garage door opener plays in their daily lives and all the working parts that make up a garage door system. Should any of these areas have issues, contact a professional who can quickly assess and repair the issue.

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