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How to Release the Tension on a Garage Door

2014-02-11   Views:1

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Garage doors use springs to lift the weight of the door. The springs are what make the door feel light although some weigh as much as 272 Kilogram. When you replace the garage door or need to make other major repairs, it is necessary to release the s

Garage doors use springs to lift the weight of the door. The springs are what make the door feel light although some weigh as much as 272 Kilogram. When you replace the garage door or need to make other major repairs, it is necessary to release the spring tension. Releasing the tension on a garage door depends on whether there is a torsion spring on a bar above the door or extension springs that stretch along the upper side tracks.

Skill level:Moderately Challenging

Things you need

Step ladderVice grip pliers (2)Solid steel winding bars, 1.2-inch in diameter and 18 inches long (2)3/8-inch wrench

Instructions

Torsion Spring

1 Close the garage door and engage the lock. Place a step ladder on the right side of the door. Adjust the jaws of a pair of vice grip pliers around the torsion shaft. Lock the vice grips with the handles resting on the wall above the shaft.

2 Insert the end of one winding bar into the hole in the spring winding cone that faces you. The spring winding cone is the end of the spring pointing to the side of the door. It has four holes and two square set screws. Ensure the winding bar is all the way in the winding cone.

3 Lift up on the winding bar and hold it firmly in your hand. Loosen the two set screws on the winding cone with a 3/8-inch wrench. You will begin to feel the spring pressure on the winding bar. Lower the winding bar slowly until the end in your hand rests against the door.

4 Place the second winding bar into the hole on the winding cone facing you. Ensure that the bar is securely in the hole then lift up the bar slightly with one hand while grabbing the first winding bar with your other hand.

5 Hold the second bar firmly and pull out the first bar. Slowly allow the second bar to lower and rest against the door. Continue swapping out winding bars, inserting one winding bar and taking the previous one out, until all of the spring tension is off the spring. If you have two springs, repeat for the opposite side.

Extension Springs

1 Lift the garage door until it is fully open. Lock a pair of vice grips over the front edge of the door track directly under the bottom roller. The handles of the vice grips should point to the centre of the door. Do this on both sides.

2 Place a step ladder under one of the upper tracks so that you can reach the front of the spring and the cable clip.

3 Grab the upper cable in one hand and pull it toward the garage door. This will create slack in the front of the cable. Unhook the S-hook from the top of the door track and slowly release the cable. The S-hook has a piece of flat metal where the end of the cable attaches.

4 Untie the cable from the flat piece of metal and pull it through the pulley. Repeat the process for the other side of the garage door.

5 Ask a friend to go to one side of the door while you go to the other side. Hold the bottom of the door and release the vice grips at the same time. Simultaneously lower the garage door until it is all the way down.

Tips and warnings

Speciality winding bars are available through garage door dealers.

Torsion spring doors with a double upper track use springs that wind down instead of up. When releasing the tension, the bar will rear against the ceiling instead of the door.

If you have a door opener, pull the release handle to disconnect the door from the opener before releasing the tension.

Do not attempt to remove the spring tension if you are not absolutely comfortable doing so. Call a professional to remove the tension if in doubt.

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