Chamberlain group cgi the corporate parent company to liftmaster chamberlain merlin and grifco is a global leader in access solutions and products.
Adjusting liftmaster garage door opener.
We design and engineer residential garage door openers commercial door operators and gate entry systems.
Step 2 find the two dials on the back of the power unit.
Use both the up and down arrow buttons for adjustment.
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.
When the garage door is in your desired up open position press and release the rectangular adjustment button.
After making any adjustments check the safety reversal system and test the protector system.
Each dial has a recessed adjustment screw in the center of the dial.
You might damage the motor of your garage door opener if there is a lot of resistance from the door tracks.
Press and hold the down arrow button until the garage door reaches your desired down closed.
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.
Before you adjust the force setting of your garage door opener ensure your garage door tracks jambs and rollers are in good condition.
The travel distance limit setting and the downward force limit setting.
On the garage door motor there will be two knobs or dials to adjust the opener and the reverse sensor.
Adjusting these dials alters how far the garage door travels while closing and how much force in kilograms the motor uses.
There are two types of adjustable down limit on liftmaster garage openers.
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.
This video details how to adjust the opener force and travel of the door.
The garage door opener light will blink twice and the down arrow light will begin to blink.
Refer to the owner s manual to determine which is.