A couple of carabiners can.
How to install new springs on garage door.
Tap the carriage bolt into the garage door with a hammer.
Lock the door open again with c clamps or locking pliers and stretch the extension springs another one to two inches with the garage door in its fully open position.
Make sure that the bearing is inside the stationary cone.
The doors with two springs are easy to replace.
Don t stretch the springs so far that the sheave on the spring and the stationary sheave touch when you retest the door.
Release the tension on side mounted extension springs by lifting the door and locking it in place on each side with a pair of locking pliers.
Tie the extension spring to the roller track then detach the cable from the bottom bracket with a pair of pliers.
Repeat this process on the other side of the door.
Place your new bottom bracket on the bottom of the garage door.
Insert the carriage bolts through the door from the outside.
Installing the new springs 1.
Insert the bolts in the stationary cones of the new torsion spring and insert the bolts in the slots on the spring anchor bracket.
Slide the torsion bar to the left then add.
Pre drill the door for the new carriage bolts.
When your new springs arrive put the new left spring.
There are two types of garage door springs.
Thread the cables and tighten.
Slide the left spring onto the tube and add the cable drum.
Finger tighten nuts on bolts until the stationary cone is flush against the center bearing plate.