Many garage door servicemen mark the springs with chalk or paint but you can probably wind the springs in the time it would take me to explain how to read the marks.
Single spring garage door adjustment.
If the door was closing too quickly move the spring to the next higher hole on the bracket.
Once your garage door is secured remove the spring hook from the track hanger which will allow you to move the hook and adjust the spring s tension.
To adjust your garage door s side mounted springs first open your door fully and secure it in place with a c clamp below the bottom roller.
Adjust the springs on both sides of the door the same way.
Hold the garage door in this position by attaching a c clamp to the track at a point below the lowest door roller wheel.
At this point you will wind the springs.
If the spring shortens in length unwind the spring and switch sides the spring is on the wrong side.
Newer steel doors with only one strut on top often need only 7 1 4 turns.
This is accomplished by opening the garage door as fully as possible until it hits the stop bolt on the track.
Once the spring is free of tension remove from its track hanger.
Adjusting the tension or balance spring on an up and over garage door when the door feels heavy.
Begin by turning the spring up 1 4 turn until it meets resistance.
Adjusting garage door springs is a common repair.
You will be winding up on the torsion spring.
You must release the tension on the garage door springs before attempting adjustment or replacement.
Adjusting garage door extension springs.
When garage doors won t close all of the way or they close unevenly spring adjustment may be called for.
Troubleshooting garage door springs.
Without the springs the door is very difficult to lift.
Retest the door balance as you did in step 1.
The springs are located at the top inside part of the garage door.
Garage door springs are used to offset the weight of the door.