This extra tension keeps the door open by restricting the curtain from unrolling off the drums.
Garage rool up door torsion spring.
Or more the energy they conserve is sufficient to cause a major injury or even death.
Use this method if the door worked correctly before the spring s broke and the garage door has not been tampered with.
If the garage door has two springs measure each spring individually.
While garage door torsion springs can handle weights of up to 800 lbs.
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It is not uncommon to have two different size springs.
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To measure the torsion springs follow each of the following steps carefully.
The garage door torsion spring is located above the garage door while considering rear torsion applications it s located behind the door.
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