A flathead screwdriver is all that is needed to make a limit adjustment on most garage door openers.
Chamberlain whisper drive garage door opener travel adjustment.
Travel and counter clockwise for less open travel.
One full turn of the adjustment screw will.
To operate the opener press the door control push bar.
Increase the open force adjustment dial slightly.
If the up travel isn t functioning properly turn the up limit adjustment screw clockwise.
Adjustment step 1 adjust the up and down travel limits limit adjustment settings regulate the points at which the door will stop when moving up or down.
Now open the garage door with your remote to check if it opens fully.
On chamberlain garage door openers they are usually blue.
Find the chamberlain garage door opener technical support you need to get your garage door opener operational.
Equal about 2 of travel adjustment.
It is important to set the up open travel limit properly.
This video details how to adjust the opener force and travel of the door.
Using the up open limit adjustment screw you will turn the screw clockwise for more open.