Single Spring Garage Door Adjustment
Adjusting the tension or balance spring on an up and over garage door when the door feels heavy.
Single spring garage door adjustment. If the garage door isn t opening or closing properly then check the tension on the torsion springs for needed adjustments you may need to have someone helping you to adjust the torsion spring because it can be potentially dangerous. Newer steel doors with only one strut on top often need only 7 1 4 turns. At this point you will wind the springs. You must release the tension on the garage door springs before attempting adjustment or replacement.
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. If the spring shortens in length unwind the spring and switch sides the spring is on the wrong side. Garage door springs are used to offset the weight of the door. If the door was closing too quickly move the spring to the next higher hole on the bracket.
This is accomplished by opening the garage door as fully as possible until it hits the stop bolt on the track. Without the springs the door is very difficult to lift. Otherwise continue winding until you reach a count of 30 this is 7 1 2 turns which is normal for most 7 garage doors. Once the spring is free of tension remove from its track hanger.
Adjusting garage door extension springs. You will be winding up on the torsion spring. Adjust the springs on both sides of the door the same way. 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.
Retest the door balance as you did in step 1. When garage doors won t close all of the way or they close unevenly spring adjustment may be called for. Adjusting garage door springs is a common repair. The springs are located at the top inside part of the garage door.
Begin by turning the spring up 1 4 turn until it meets resistance. Troubleshooting garage door springs.