For a scholarly introduction to torsion springs and for more information on how to install them I recommend you visit Richard Kinch's page, "How I Replaced Deadly Garage Door Torsion Springs and Lived to Tell the Tale." Richard is a brilliant engineer who has provided a wealth of technical information on fixing torsion springs along with valuable advice regarding some of the schemes unscrupulous garage door companies use to rip people off.

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
The two main garage door operating mechanisms are sectional roll-ups or tilt-ups. Garage door repair services can fix single-car, double-car or RV-height doors. Your garage door may be made of wood, steel, aluminum, masonite, vinyl, fiberglass or another material. The type of garage door repair you need really depends on the type of garage door you have and the issue at hand. Garage door repair pros often charge a flat service call fee to diagnose the problem and provide an estimate. For customers who choose to have the repair done, the service call fee may be applied to the first hour of labor (including time to make the diagnosis). If your garage door is under warranty, the repair may be free of charge.
Thank you, thank you, thank you for sharing your knowledge. I just replaced our shower cartridge and our leak is FIXED!!!!!!! Your instructional was clear and concise. I did purchase 2 cartridges first, because I did not know the type it was and could not pull it out without the plastic cover it comes with. Fortunately, it was one of the two. By the way I'm a 63 year old woman. If I can do it, anyone with internet and a little patience and an hour can do it.....
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.
If you can hear your garage door motor running for what seems like the full amount of time it normally would take to open or close the door, but the door doesn’t move, chances are the disconnect switch has been enabled. Every garage door opener comes with a disconnect switch in case you lose power. This allows you to open or close the door manually so your car isn’t stuck in the garage until the power comes back on.
When you hire a professional, the first thing they will do is turn off the power as a safety precaution.  They will then measure the existing door springs to make sure the new springs they order or have in stock fit accordingly.  With these new springs, they will unwind the existing springs and install the new ones in its place, tightening them with screws.  When tightened, the springs will be balanced, lubricated and the springs will be wound up.  Lastly, the door will be tested and the tracks will be lubricated to move efficiently.

The cost to repair a garage door is typically more affordable than installing a new garage door. Often, a garage door repair simply requires fixing a broken spring. The average cost to repair a garage door spring is $180, but prices range from $100 to $350 if the installer must disassemble the brackets to reach the springs. Common garage door repairs include lubricating or balancing the springs and installing safety cables that work as a backup for an extension spring system. Most homeowners can lubricate the springs on their own for the cost of the lubricant ($5 to $6), but many garage door contractors include lubrication services as part of their maintenance plans. Refitting existing springs to balance the door requires between 45 to 90 minutes to complete, with a price tag ranging from $75 to $110. Safety cable installation costs between $150 and $200.
I'm looking about spanning 15' for a gazebo. trying to figure out what dimension beams I need. The Gazebo will be 15'x10'. How big will the beams have to be. at 1/2 the distance on 15' I will have a perpendicular beam running to carry 2x4's running parallel to 15' beam edge. I live in California in there with be no roofing material.. I will be using redwood for lumber Thanks

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.
These instructions are for doors with cable drums and cables that look similar to those in the picture below. The next part beyond the end of the spring assembly is the cable drum. The drum is cast aluminum alloy 4" in diameter and 12.6" in circumference around the flat portion. Just beyond the cable drum is the end bearing plate. The cable unwraps off the back of the drum between the drum and the garage wall or jamb and travels down alongside the door, inside the track brackets and behind the roller stems as shown.

If your door has two springs, most professionals and research online says that replacing both springs is the best option. Most torsion springs are rated for 10,000 close/open cycles. If only one of your springs is broken, both springs are still recommended to be replaced. Considering that your second spring will break soon anyways, this added on fix is only going to cost you about $50 extra to assure that you don’t have to pay another service fee for a second visit.


We couldn't have been happier with the technician. He was prompt, efficient, didn't complain about moving items to do the installation, cleaned up after himself, was polite and thorough. He seemed very sure of exactly what to do next. As a favor, he took a couple of minutes to remove a light globe to replace a bulb since he had the ladder in the garage because we can't get to it. We were very impressed with him. We would definitely request him again.
If the door opens this way, then there’s probably something wrong with the garage door opener. It’s a good idea to make sure the opener is plugged into its nearby power outlet. Also, make sure the circuit breaker for the garage door opener hasn’t flipped to the “OFF” position. If it has, then there may be an electrical issue that your garage door specialist should check out.
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