It's easy to ignore your garage door. But it's a bad idea, because a broken overhead door is more than a hassle. It's a danger. Your garage door is generally your home's largest moving object, and possibly its hardest-working component. The average electric opener raises and lowers the 150- to 250-pound door more than a thousand times a year. To ensure that your system operates smoothly, quietly and safely, it's wise to inspect it periodically, ...