Adjusting these dials alters how far the garage door travels while closing and how much force in kilograms the motor uses.
How to adjust liftmaster garage door limits.
There are two types of adjustable down limit on liftmaster garage openers.
One turn equals 2 5 cm of travel.
Upward and downward pointing arrows indicate the up and down screws.
When the garage door is in your desired up open position press and release the rectangular adjustment button.
Stand on a step ladder to reach the up limit switch adjustment screw on the side of the garage door opener.
How to adjust the travel limits of your garage door if it won t close all the way.
Open and close the garage door.
The garage door opener light will blink twice and the down arrow light will begin to blink.
This video demonstrates how to adjust force on a liftmaster garage door opener with manual adjustment controls.
0 00 adjusting the force on garage door opene.
Use both the up and down arrow buttons for adjustment.
This video gives you assistance and how to adjust info for the travel limits on liftmaster chamberlain and craftsman brand garage door openers with the ma.
You can do almost anything all you have to do is try.
Using a flathead screwdriver turn the screw clockwise one full turn for every 3 inches you need the door to raise so it opens all the way.
Press and hold the down arrow button until the garage door reaches your desired down closed.
Down travel to increase the down travel turn the down limit adjustment screw counterclockwise.
To increase the up travel turn the up limit adjustment screw clockwise.
One turn equals 2 5 cm of travel.
Two dials on the side of the motor head regulate the down settings.
The travel distance limit setting and the downward force limit setting.
On most ceiling mounted liftmaster models you can find the limit adjustment screws on the left side panel of the opener.