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. http://m.youtu.be/Z_eZc-kh40c
Like any mechanical part, garage door springs deteriorate due to normal wear and tear. Over time, the steel that makes up the springs weakens until they eventually break. Under normal circumstances, garage door springs have a life expectancy of 10,000 cycles of opening and closing. This equates to five to seven years, but along the way, there may be signs of problems that can occur before the springs actually stop working. 

Garage Door Repair Guy Centennial Co 80015


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The track is secured with these little brackets and they're adjustable. There's a slot that it rides in so you can unscrew it here and adjust it if you need to. And you're going to have to pay attention and look at it closely to make sure it's in the right spot, but it's not that tricky and you can do it. And usually one side is out of alignment so you can compare it to the other and then adjust it as needed.


Garage door springs are part of the garage door, and they're the first part to check when the door doesn't work; they malfunction more commonly than other parts of the door. In fact, the door cannot open or close with damaged springs. They raise and lower the door using one of two different methods: torsion or extension. The traditional choice for garage doors is extension springs, which sit above the door's horizontal track. They're more affordable than tension springs, making them a popular choice among builders, but they have more exposed parts and are more likely to break than tension springs. For this reason, extension springs must have safety cables to support them if they break. Tension springs attach to the wall above the garage door and work by twisting spring coils around the shaft as the door moves. These springs can support more weight than extension springs and have fewer exposed parts so they last longer.
Snap a locking pliers onto the torsion tube to lock it into place while you tighten the drums. Rotate the drum to wind the cable into the winding grooves. Pull the cable as tight as possible before tightening the setscrews. Leave the locking pliers in place and repeat the tightening procedure on the other side. You want equal tension on both sides. Otherwise, the door will open unevenly.
If you use the correct tools and follow our instructions, you can rebuild the entire torsion spring system in just a few hours, without any side trips to the ER. We won't cover how to replace garage door extension spring systems in this story. But we'll show you garage door spring replacement on the more common torsion springs, the kind that mount on a bar above the garage door. http://y2u.be/Z_eZc-kh40c
Next, if you don’t find an obstruction, check the springs. If your door has torsion springs, which are horizontal at the top of the door, you can tell they are broken by checking for a gap between the two springs. If your door has extension springs, you can check by looking to see if they are hanging on the side of the door. If you have a broken spring, you’ll need to call a pro to replace it as this is a dangerous task.
The following instructions for replacing garage door springs are for do-it-yourself homeowners and for maintenance repair men who service their smaller commercial or industrial sectional overhead doors. These directions are designed for torsion springs mounted to both sides of an anchor bracket above the middle of the garage door as pictured above. Instructions for replacing a single torsion spring, for replacing garage door extension springs, and for replacing Wayne Dalton Torquemaster springs are linked to our DIY Instructions page above. You'll also find a link for any other garage door parts you may need while repairing your door.
What LCD said is more or less right. Those are the ranges you'd typically find you will have to pay, but it's important to remember that the rates vary across the country. One thing I always advice others to do is to get quotes from different contractors. It might not be the biggest job, but you'd be surprised how much difference there typically is in the quoted prices. If you check out the link I put in the resource, it'll take you to a site where you can get quotes from 4 different contractors at once. Under "Select service" you simply pick "Spring Replacement".
10.4 Raise the second bar 90 degrees and insert the first bar. This is "three." Continue winding. If the spring shortens in length, unwind the spring and switch sides - the springs are on backward. Otherwise, continue winding until you reach a count of "30." This is 7 1/2 turns, which is normal for most 7' doors. Longer life springs are wound the same number of turns. Newer steel doors with only one strut on top often need only 7 1/4 turns. On 8' doors count to 34. Each time you insert a bar into the winding cone, listen for the click to let you know the bar is in all the way. Not inserting the bar all the way could cause the cone to explode. https://youtube.com/watch?feature=youtube_gdata&v=Z_eZc-kh40c
No matter what kind of door you are installing, be very careful. The instructions that follow are merely guidelines. You should read your garage door manufacturer's instructions and owner's manual very carefully before attempting either type of installation. And if you're a do-it-yourself greenhorn, skip this project and hire an experienced professional. It may be more expensive, but garage door installation is on the higher scale of DIY difficulty.
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