When the garage door is in your desired up open position press and release the rectangular adjustment button.
Adjusting liftmaster garage door opener.
Use both the up and down arrow buttons for adjustment.
We design and engineer residential garage door openers commercial door operators and gate entry systems.
Adjust the garage door opener mechanism.
Adjusting these dials alters how far the garage door travels while closing and how much force in kilograms the motor uses.
How to adjust the limit or travel on a garage door opener with manual adjustment screws limit adjustment settings regulate the points at which the door will stop when moving up or down.
Use a flathead screw driver to make the adjustments.
Place the stepladder under the garage door opener power unit and climb up so that you have a clear view of the back end of the power unit housing.
Each dial has a recessed adjustment screw in the center of the dial.
After making any adjustments check the safety reversal system and test the protector system.
Chamberlain group cgi the corporate parent company to liftmaster chamberlain merlin and grifco is a global leader in access solutions and products.
We design and engineer residential garage door openers commercial door operators and gate entry systems.
On the garage door motor there will be two knobs or dials to adjust the opener and the reverse sensor.
There are two types of adjustable down limit on liftmaster garage openers.
The garage door opener light will blink twice and the down arrow light will begin to blink.
Step 2 find the two dials on the back of the power unit.
Chamberlain group cgi the corporate parent company to liftmaster chamberlain merlin and grifco is a global leader in access solutions and products.
Locate the manual force adjustment dials at the back of the liftmaster garage door opener.
You might damage the motor of your garage door opener if there is a lot of resistance from the door tracks.
This video details how to adjust the opener force and travel of the door.
Press and hold the down arrow button until the garage door reaches your desired down closed.