How To Replace A Garage Door Spring Tensioner
Unplug the opener and clamp the garage door to the track so that the door cannot open when the tension is released on the springs.
How to replace a garage door spring tensioner. Can you repair a garage door tension spring yourself. Disconnect the garage door opener so the door remains closed. Larger commercial and industrial overhead garage door torsion springs are stretched as much as an inch. Hold the garage door in this position by attaching a c clamp to the track at a point below the lowest door roller wheel.
Use locking pliers or a c clamp to secure the door to the track to keep it from opening when you release the tension on the springs. This is accomplished by opening the garage door as fully as possible until it hits the stop bolt on the track. You must release the tension on the garage door springs before attempting adjustment or replacement. Unplug the garage door opener and clamp the door to the track.
This video applies t. My buddy ed had a garage door spring break after 20 years and he was initially intimidated by people telling him how dangerous they are to replace and tha. If the garage door spring snakes after tightening the set screws repeat the process and stretch the spring half as much as before. The garage door tension springs provide lifting force for the heavy door and are under tremendous tension get careless and they can hurt you.