The motor head is the box containing the lightbulbs mounted to the ceiling.
How to set limits on liftmaster garage door opener.
Start with the garage door in the down closed position.
Setting the up open limit 1.
Locate the two travel limit dials on either the left or right side of your garage door opener depending on where you are facing.
Open the garage door and watch it closely as it opens.
Liftmaster is a popular style of garage door opener that can link to the garage doors of your home and open them remotely.
How to reset garage door opener limit switches.
However if you move homes get a new garage door or install a new garage door opener on your existing garage doors the remote door opener will no longer work.
The measurement is used to reset the up.
Place a stepladder beneath the motor head of the garage opener.
Measure the height where the door stops while it is being opened.
Ensure the motor shaft is tightened enough so that there is not too much endplay in the shaft.
To check for compatible remote controls see liftmaster remote control and keyless entry compatibility chart.
For information on adjusting your travel and force limits see how to program the travel on a security 2 0 and myq enabled garage door opener.
8165w and 8164w are ac chain driven garage door openers.
To reduce the travel limit turn the dial with a flat screwdriver in the direction opposite to the arrow shown beneath the dial.
They are denoted by a garage door with an arrow pointing up or down.
Locate the limit and force adjustment dials located on the back and sides of the unit.