Defective pulley cables should be replaced, not repaired. Open the garage door, unplug the garage door opener and set the C-clamps. In this position, the extension springs and torsion springs are ...

The torsion spring ... to overcome the inertia of a stopped door. The machine also slows a door in transit, preventing it from crashing to the garage floor. 2. Drive Guide: This track (aka ...

releasing both of the torsion springs, which put a large hole in the garage ceiling about 4 feet above the door. Luckily, no one was nearby when the system broke. You can find the average weight ...