Stand a stepladder at the area of the motor and unplug the power cord to the opener.
Fix an of balance garage door.
Detach the garage door from the opener using the red manual release rope.
Two that run vertically up the sides and one horizontal on top.
For maximum safety place a set of c clamps on the tracks just above the bottom set of rollers.
Press the button on the garage door opener to close the door if it has an opener.
Move the garage door up and down until you find a place where the door stays suspended when you let go.
Close the garage door.
Insert the tip of a flat pry bar behind the door casing to expose the door jamb.
Close the garage door and use a level tool to make sure that both sides of the garage door is touching the ground evenly.
While you won t need special tools to fix an unbalanced garage door you will need a few common items to make your task easier so make sure you have them all handy before you begin.
If that point is more than four feet or less than three feet above the ground you will need to balance the door.
Adjusting the lift cable finer adjustments to the alignment can be made by lifting the cable and not the spring.
A garage door should stay down when closed open when raised and at the halfway point when raised halfway.
There are three pieces of casing.
You need to start with the door in the down position so you can lift it up to various heights and check the balance.
Pry off each piece.
You will need a stepladder locking pliers two winding bars and a 3 8 inch open end wrench.
If it still does not then you ll want to adjust the spring tension on both sides until it does.
2 brace the open door.
For starters you ll work with the door in the down position.
Like with an extension spring door you ll start by disconnecting the door and checking its balance but that s where the similarities end.
Move the door open and closed manually.
Close the garage door all the way.
Close the door from the inside.
Use the handle to close the door all the way if it doesn t have an opener.