Changing the Torsion Spring on the Garage Door

AA Garage Doors (Broken Spring Replacement) offers quick help if a torsion spring breaks. The spring can also come from a third-party door and can be replaced by the supplier's specialist dealer. If the spring breaks, the door will still work, but there is an increased risk. The second spring has to bear twice the load and can therefore also easily break. The door driver also has to do more work.

If a spring breaks, the door is still cushioned, but not sufficiently. This can be seen in the fact that more force is needed to pull up the door leaf. In addition, a door that is not sufficiently cushioned will keep closing on its own.

Springs are common wear parts

The torsion spring is one of the most common wear parts and can be found in the garage door section  of specialist retailers. All the individual parts required for the garage door are clearly presented here. The order is processed immediately and installation is also possible for lay people.

Please note, however, that when springs are under tension, forces are exerted that  can lead to a risk of injury.

Customers can quickly buy spare parts for sectional doors , up-and-over doors or tilting doors online from AA Garage Doors (Broken Spring Replacement). The specialist dealer has all products in stock and delivers quickly.

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Torsion springs are suitable for old and large sectional doors . The springs rotate with every door movement. They differ from  tension spring systems , which stretch out when in use. With a normal fitting, the torsion spring is attached to the front above the door leaf, with a low-headroom fitting it is located at the back ,  at the top of the door frame. Newer sectional doors with Z fittings, on the other hand, are equipped with tension springs, which are always attached to the side of the door leaf.

If torsion springs are installed on the garage door, they must be replaced with exactly the same springs. It is therefore not possible to replace a defective torsion spring with a tension spring system. Conversely, broken tension springs cannot be replaced with torsion springs either

Detecting a defective spring

The customer can recognize a defective spring by the elongated facade or the obvious break . Only then is a replacement necessary. The model can be recognized by the flag that is attached to each spring.

If the aluminum flag is no longer available, you will need to enter certain data when ordering. The AA Garage Doors (Broken Spring Replacement) dealer will select the appropriate model and compare the entries from the form.

How do I know which torsion spring is right for my AA Garage Doors (Broken Spring Replacement) garage door?

The small flag on the torsion spring itself reveals the number for ordering the spare part. Furthermore, all gate data is often noted on the type plate on the gate. The correct torsion spring can also be determined using the gate's serial number. If in doubt, the spring can also be measured. The following criteria must be taken into account:

• number of turns

• winding diameter

• total length of the spring

Changing the torsion spring

Manufacturers and retailers recommend that if a torsion spring breaks , the second spring that is still intact should be replaced at the same time. It has been in use for a similar amount of time, so it may also be time to replace it soon. If you have purchased a new torsion spring, you can now replace the defective one.

Before replacing the spring,  the still intact spring must also be relaxed .

A AA Garage Doors (Broken Spring Replacement) tensioning cone for torsion springs is mounted on each torsion spring in use on the sectional door . The cone has fixing screws and mounts for the AA Garage Doors (Broken Spring Replacement) tensioning mandrels for tensioning cones on torsion spring shafts . The springs are adjusted using the tensioning mandrels  on the tensioning cone. They are inserted into the openings (mounts) provided for them in order to rotate the cone . The rotation enables the spring to be tensioned or relaxed.

Keep the spring under tension with a mandrel: Before the fixing screws on the clamping cone are loosened, the spring must be held in place with a mandrel so that the tension does not release on its own. The spring can be gradually relaxed by turning the mandrels alternately inserted and removed.

Remove the defective spring as follows:

1. Loosen and remove the spring shaft, loosen the pull cables

2. Disassemble the spring shaft by loosening the two screws on the shaft coupling

3. On each side, push out the torsion spring together with the receiving and clamping cone: By pulling out the AA Garage Doors (Broken Spring Replacement) spiral clamping pin N8 x 18 mm, galvanized, the spring can be removed from the receiving cone.

Now the new springs are attached to the respective mounting cone - ideally with a new clamping cone. After the replacement, the springs are pushed back onto the spring shaft and the shaft is screwed back on using the shaft coupling.

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Do not mix up left and right: The left and right torsion springs are different from each other. It is therefore important to make sure that you install the new springs (left and right springs) in the same way as the old ones.

Tensioning the springs: As soon as you have reinstalled the spring shaft on the sectional door, you can tension the new springs using the tensioning mandrels. You can find out how best to do this in our article: How can you properly tension a spring on a sectional door? The springs are correctly adjusted if the sectional door does not move up or down when it is opened at a height of approx. 1 m.