Torsion-spring doors have a drum-like pulley at each end of the metal rod that runs through the springs. Each pulley has a cable attached to the bottom of the door. The springs and pulleys are fixed to the rod so they all rotate together. When the door closes, the rod turns and winds up the springs, creating tension. When the door opens, the springs release the tension and turn the rod in the opposite direction. http://youtube.com/watch?feature=player_embedded&v=Z_eZc-kh40c
Received all items as indicated, I would recommend purchasing a metal center bearing also, other Than the plastic that this comes with. Install was easy and strait forward. hardest part was finding how many turns to tighten those springs?? I used a general rule of thumb of a full turn for every ft. Of door. 4 quarter turns equals 1 full turn. I found that 26 balanced the door perfectly. These springs seem a little smaller than what was there however, the coil itself is the same. (Pic) After installing, I recommend oiling the springs with some motor oil. This will help with rust and noise. Good luck with yours, it's worth the work for the saving!!

The technician, Robert Helton, was very pleasant, helpful, and professional. He repaired the garage door opener expeditiously and explained why it hadn't worked properly. He also checked the chain mechanism and the door itself and showed me how to manually work the door should I need to do that in the future. I was very pleased with this repair work.
In this article, we’ll tell you the difference between a safe door and one that’s unsafe. We’ll also give you the helpful tips you’re not likely to find in the manufacturer’s instructions to correctly, and safely, install a new garage door with a torsion spring and do-it-yourself tensioning. Installing a new, double garage door yourself will save you several hundred dollars and should take eight to 12 hours if you’re fairly handy. You can do most of the new garage door installation project yourself, but you should recruit help for removing the old door.

9.8 Twist the garage door shaft to tighten the cable on the drum. While twisting, vise grip the shaft as shown to keep the cable tight on the drum. The top of the vise grip should be tight against the garage header. This will keep the cable snug on the first drum while you install the cable on the other drum and position it in place. It also keeps the shaft from turning and the cables peeling off when you wind the springs. That one grip can save many hours of walking back and forth and having to level and re-level the garage door after winding the torsion springs.


One of the best ways to care for your springs is to check them over for wear. You can certainly look at them for damage, but sometimes the damage isn’t something that’s visible. In these cases, try lifting the garage door up from the ground. About halfway up, let go. If the door stays, the springs are still working perfectly. If the door sags or drops at all, this could be a sign that your springs are beginning to weaken and will need replacing soon.

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SNAP... bang... boom. That is the sound of a garage door torsion spring breaking. It can be a very loud noise that sounds like a firecracker or gunshot. Springs are rated for a certain number of cycles and are the first thing that will break in your garage door assembly. Broken springs are the #1 source of customer calls for garage door repair companies. If you have a broken spring, you should NEVER try to open the door, as it can be very dangerous. This repair should be left to a professional or someone with the right tools and skills. https://www.youtube.com/watch?feature=youtu.be&v=Z_eZc-kh40c
Homeowners have long been warned that torsion springs are extremely dangerous to work with and that replacing them must be left to a professional. But these claims are somewhat exaggerated. If you understand how they work, and you pay attention to what you're doing, you can replace them safely and surprisingly easily. Granted, they're a little spooky to work with at first (partly due to their reputation), but this is a good thing—you really don't want to forget that they're under tension. Thinking about every step — before you take it — is the key to staying safe.
If a roll-up door, assuming you have not put in cabinets or anything that prohibits sliding the shaft sideways about 2-3 feet out of the spring to change it, then about $200-250 should do it for a 2-car garage door. If he has to disassemble the brackets to remove the springs because the shaft cannot slide sideways enough to get the springs on/off, then probably another $50-100.
It is very important that the replacement springs are calibrated for the weight of your door. Using the wrong size garage door springs will caused the to not function properly and could also cause the opener to break much quicker. Replacing extension springs can be very dangerous and if done wrong can harm someone using the garage door. Make sure you call the Garage Door Doctor to ensure your garage is repaired properly!

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When a torsion spring is wound up, it grows 2” in length. This is because the spring starts to compress and the metal has to go somewhere. After the spring is wound, the winding cone is clamped down on the torsion shaft so it can turn the drums to wind the cables as the door goes up. Since the end of the spring is “set” on the shaft, a two-inch gap is left when the spring break's. This is the most definite way of determining you have a broken garage door spring.

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The history of the garage door could date back to 450 BC when chariots were stored in gatehouses, but in the U.S. it arose around the start of the 20th century. As early as 1902, American manufacturers—including Cornell Iron Works—published catalogs featuring a "float over door." Evidence of an upward-lifting garage door can be found in a catalog in 1906.[4] http://www.youtube.com/v/Z_eZc-kh40c&feature=kp
You may enter your information on this website, visit an in store associate or call our garage door repair team at the number at the top of this page. Within 24 hours you will receive a call from a local service provider to discuss your requested service. Afterwards, you will schedule a date and time for the service provider to come to your property.
Overhead garage doors weigh hundreds of pounds, and doors that are not properly maintained or which are equipped with older automatic garage door openers can be safety time bombs. All too common are the tragic stories of garage doors injuring or even killing children or pets who found themselves underneath a closing door. Modern automatic door openers with auto-stop and auto-reverse mechanisms have greatly reduced such accidents, but mishaps can still occur if the door and door opener are not properly maintained.
The technician did a wonderful job - arrived on time and completed the job in less than 2 hours. I would have given him a 5 on everything if he had returned to add the additional piece (a piece that is fixed to the door frame for better insulation) to my door on the outside on the day he said he would come back. The piece he brought was of wrong color and he said he would be back with the right color the first day after New Year's Day to put up the piece. I hope he can come back soon.

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When a torsion spring is wound up, it grows 2” in length. This is because the spring starts to compress and the metal has to go somewhere. After the spring is wound, the winding cone is clamped down on the torsion shaft so it can turn the drums to wind the cables as the door goes up. Since the end of the spring is “set” on the shaft, a two-inch gap is left when the spring break's. This is the most definite way of determining you have a broken garage door spring.

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As mentioned, the only time you should attempt to open a garage door with a broken torsion spring is during an emergency. Otherwise, you should contact a service technician for emergency repairs. We provide same-day garage door service for people just like you who find themselves stuck and unable to move due to a faulty torsion spring. For prompt, reliable service any time of the day or night, please contact us.

6.10 If the garage door comes off the floor when you pull down on the bar, and if the cone still won't loosen, tap the bar next to the cone with a hammer to force the cone beyond the swollen portion of shaft. Maintain a firm grip on the bar; keep it firmly inserted completely into the cone; and be prepared at all times for the cone to slip, break, explode or break free from the shaft and yank the bar down.
If you happen to be home when these break, you’ll hear a loud bang from inside your garage. This bang can be so loud that some people might think a firecracker went off inside their garage. That’s because garage doors can be very heavy and despite what most people think, it’s not the garage door opener that does the heavy lifting, but rather the heavy-duty springs of the door.

Delivered on time, with the products described: springs, winding bats, & plastic bushing. Quick install, but apparently I measured wrong, so these total length I bought was larger (which is good as there is less stress on the spring). However this did mean that I needed more than the generic rule of 30 1/4-turns of preload. I wound up with 38 1/4-turns per side for the door to balance when open 3' (per familyhandyman.com recommendations). Would definitely do it again.
Extension spring systems should always be restrained by a safety cable that runs through the middle of the spring, tying off to a solid point at the rear and front of the horizontal door track. Extension springs represent a hazard to bystanders when a spring, pulley, or cable breaks under tension. Metal parts from extension spring systems can suddenly be launched.

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If you need to leave the door open until you can make repairs, block the door track on both sides so the door can't move, and unplug the garage door opener (if you have one). If you want to close the door, you can try closing it with the opener, making sure there's nothing in the door's path in case something goes wrong. However, this will put some strain on the opener. Alternatively, you can have a few strong helpers hold the door while you disconnect it from the opener and carefully close the door manually—again, it will be very heavy.

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9.4 Slide the end of the shaft into the end bearing plate. Tighten the set screws an additional 1/4 to 1/2 turns beyond the point you finger-tightened them. Add an additional 1/4 turn if you could not find the original set screw indentations in the previous step. Heavier wooden garage doors may require an additional 1/4 turn. Caution: Under-tightening the drums could cause the drum to slip and the door to cock or fall. Over-tightening the set screws could damage the shaft or drum, resulting in the same problems. This is a critical step. http://youtube.com/watch?feature=youtube_gdata&v=Z_eZc-kh40c
If you want to do the repair yourself, get several phone estimates first, because rates vary widely among service companies. Most garage doors are heavy (200 to 300 lbs.), so call in three strong friends to help you lift the door and hold it open while you lock it in the full raised position with a locking pliers. Then move your vehicles and have your friends help you lower the door.
The Leading (scam) in the industry is the "LIFETIME WARRANTY". It sounds great when presented and seems fair and maybe even a good idea even though the initial cost seems pretty high (on average 450 - 700 dollars) what is not mentioned is the annual required cost (known as the required or annual door maintenance) to keep the warranty valid which if a standard 15,000 cycle spring/s is used should average Ten years, this annual service is usually 90 - 120 dollars. That would be another "900 - 1200" dollars invested in Ten years, that and the initial cost and you could buy two or more "complete new" doors in that time.

Using your drill, add tension to the torsion spring. This system uses a single spring for a double door, but many manufacturers use two springs for a double door. The painted line on the spring acts as a gauge for the number of turns you put on the spring. To keep the bar from turning while you’re adding tension, attach a locking pliers to the bar on both ends of the spring. Apply lubricant for garage doors to the spring.

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Remove the clamps and pliers from the torsion tube and track, and lift the door about 3 ft. by hand. If the door springs are properly adjusted, the door should stay in place when you let go. If the door falls when you let go, add a quarter turn to each spring. Repeat if necessary. If the door continues to open on its own, release spring tension in quarter-turn increments until the door stays in place when you let go. Then reconnect the opener.
10.8 After the cone reaches the mark, continue pulling the bar off the garage door and back toward the middle of the door with your left hand. Tighten both set screws 1/2 to 3/4 turns each after each screw first meets the shaft. This is the point at which you will feel the screw meeting resistance. If the garage door spring snakes after tightening the set screws, repeat the process and stretch the spring half as much as before. Residential torsion springs are stretched 1/8" to 1/4". Larger commercial and industrial overhead garage door torsion springs are stretched as much as an inch.
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Just like on a bike sprocket, your cables can sometimes become disengaged. Oftentimes, when a torsion spring breaks, the garage door cable will snap as a result. Sometimes, the cable will cause damage to a vehicle or wall, and if a person happens to be in the way of the cable it can cause serious harm. If you cables have snapped, you should call a professional to help you. See the video above.
9.13 If you have a spring anchor bracket with a fixed steel bearing, check for wear at the point where the shaft and bearing race meet. The shaft needs to be free to slide sideways inside the bearing. File the shaft if needed. Lube the bearing. Notice that only one bearing is needed for two torsion springs. This bearing keeps the shaft from rubbing against the inside of the stationary cones and on the center bracket. Your garage door may not have a center bearing. If so grease the shaft where it will be rubbing the bracket and the insides of the cones.
The U.S. Consumer Product Safety Commission says that about 30,000 injuries linked to garage doors are now reported every year in the United States. Many of these injuries have involved bruised or broken extremities. However, some have included serious shoulder, back, and head injuries leading to permanent disability or even death. What is the cause of these garage door injuries? One leading cause has been homeowners trying to repair or replace their own garage door springs.

My garage door has been acting up. Not wanting to work sometimes. I noticed the blue light flashing on the opener when I push the remote button. Today it will not open. That is the only way in, so I can't go in the garage from inside the house. I can't pull the cord to release the belt drive. How do I open it now? I never did run wires to the manual button into the house. I have to use the opener. Only have one I can find now. It is not working. I need in there now.

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The winding and unwinding is done at a metal fitting, called a winding cone, attached to the outside end of the spring. You stick a winding bar into one of the four holes in the cone and use the bar as a lever to turn the cone. Once you've completed a quarter turn, insert the other bar into a different hole in the cone and let the bar lever against the closed garage door to hold the spring tension. This allows you to move the original bar to repeat the process, alternating the bars with each quarter-turn. It takes about 30 quarter-turns to fully tension a standard torsion spring. https://youtube.com/e/Z_eZc-kh40c
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