Identify the switches by the up or open.
How to adjust garage door closing.
If the door is not closing completely you will turn the close or down screw one quarter turn in a counterclockwise direction.
Retest the door.
They come with a rubber threshold and glue and sometimes a caulking gun too.
Have a helper steady the ladder.
If the door was closing too quickly move the spring to the next higher hole on the bracket.
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.
By pushing the door back into position you should have made the vertical track straighten.
Test and adjust the door opener s reverse feature.
Once the spring is free of tension remove from its track hanger.
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.
Check your door opening force.
Adjust your door opener limit switch.
How to adjust a garage door to close completely.
Push the door push the door back to adjust the door and get the center aligned again.
How to adjust garage door close force.
Look for two limit adjustment screws.
Adjust the springs on both sides of the door the same way.
From inside your garage close your garage door.
Check the space under the bottom door edge to be sure it is tight.
Place a stepladder beneath the box portion of the garage door opener.
It is possible that the vertical track down the side has gone out of alignment and shifted due to a slightly loose lag screw.
Install a garage door threshold.
You will then need to check the door opening as instructed in step 4.
If it was opening too quickly move it to the next lower hole.