Things you will need.
How to adjust dominator garage door.
These limits must be set correctly for the door height to have a proper seal as well as to allow for adequate clearance.
To make fine adjustments try adjusting the lifting cable instead of the spring.
With the door propped open take the s hook out of the support and tighten or loosen the cable as needed.
If your door doesn t rise at least five feet when it is suppose to be opening hold the bottom of the garage door while it is lowering.
Close and open the door two or three times assessing how close to the floor the door stops.
Adjust the length of the cord so that its toggle is no more than 1 8m from the ground.
If installing on a door with a bad wave action lengthening the arm will assist in reducing this effect.
This video details how to adjust the opener force and travel of the door.
For a door that doesn t reverse while closing hold the door as it opens to adjust the down force.
This will adjust the open force.
Each garage door opener has limits which control the opening and closing heights of the door.