Most mechanical dock levelers use snubber mechanisms to lift the lips as they are raised, and they close slowly as shocks absorb the weight of the lip. In many of the Kelley dock levelers, however, a push bar and a yieldable rod are connected to a link assembly so that when the deck is raised the push bar drops down. Then, as someone walks across to the outside of the dock leveler, the plate on the push bar catches on the middle bolt allowing the push bar to raise the lip..
Safe automatic door openers. All automatic openers must now have an auto-reversing mechanism and photoelectric eyes located near the floor on both sides of the door (see photo). If the door is closing and the beam between the eyes is interrupted, the door will automatically reverse. If the eyes aren’t connected, the door won’t operate. For instructions on how to install a new garage door opener, see How to Install a Garage Door Opener.
Are you needing garage door repair? Has your garage door opener stopped working, or are you looking to boost your curb appeal? Whatever your garage door need may be, your local authorized Overhead Door™ Distributor is there to assist. You can find the nearest Overhead Door™ Distributor near you today by using our Distributor Locator​ to search your area. ​​

Remember, not all garage door springs are alike. They are not one size fits all. If yours breaks, make a note of the brand and color code on the spring you need to replace. We'll get you the garage door opener parts you need, from seal kits to torsion and extension spring kits. Save money by replacing garage door hardware instead of replacing the whole unit.


Ryan came to my rescue within 6 hrs of my call. He was professional, knowledgeable, friendly, and very thorough. He got my door up and running after figuring out what 3 others could not! Don’t try and go the cheapest route like I did because you’ll end up wasting time and money. Hire the pros like Ryan FIRST! If I ever need someone in the future, I’ll be calling them first thing! HIGHLY RECOMMENDread more
Because it was a Saturday and I knew the garage door company I usually use wasn't open week-ends. I decided to look on the internet for week-end workers. The first site that came up was Precision Overhead Garage. Their website said if you call before noon, you can get an appointment that day. Even though it was 1pm, I decided to call anyway. After explaining that I couldn't close or open my garage door, they told me they would go ahead and schedule a time that day...even though it was after their same-day service cut off time of noon. They told me the technician would arrive between 3pm-5pm and he would call before coming (that was nice because I was able to run errands locally and not have to wait at home for those 2 hours). I also have to mention that although the company used an answering service to take the call and schedule the appointment, the gentleman that helped me was also very professional and courteous. Derrick, the technician that was assigned to the repair, called to tell me he was on his way. It was also within the arrival timeframe the company had promised. When he got to my house, he was polite and professional. He assessed the problem and made sure that I was clear about the cost of the repair and the cost of the service call. I agreed and he immediately went to work. He never tried to sell me any other services or parts or repairs that weren't needed. He was finished within 45 minutes and the door worked perfectly. I was able to pay with a credit card even without them being able to verify the information because it was a week-end. I was very impressed that they did that, especially because I was a new customer and had no history with them. Obviously, by my 5-star rating, I would recommend them to anyone who is looking for a professional garage door company. Thank you to Derrick and Precision Overhead Garage Door Service!!
The Garage Door Remote prevents hacking and provides The Garage Door Remote prevents hacking and provides peace of mind with Security+2.0 the highest level of encryption. Control up to three brands of garage door openers at once with this easy-to-program three-button remote. Compatible with nearly every garage door opener made by Chamberlain LiftMaster and Craftsman it’s the easy ...  More + Product Details Close
The torsion springs on steel rolling doors work the same way as other torsion springs in the garage door industry. When the door is closed, the spring is wound. The spring is secured to a spring anchor bracket on one end and to the shaft on the other. When the steel rolling door opens, the spring in the barrel supports most of the door weight. The remainder of this weight is lifted by the chain hoist or the operator.

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