How To Ajdust Liftmaster Garage Door

Locate the manual force adjustment dials at the back of the liftmaster garage door opener.

How to ajdust liftmaster garage door.

On the garage door motor there will be two knobs or dials to adjust the opener and the reverse sensor. Changes are necessary if the door reverses during closing moves with too much force or strikes the ground and moves back to the top. You can adjust the open position using both the black button for open up movement and purple or yellow button for down close movement. 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.

Two dials on the side of the motor head regulate the down settings. Adjust the garage door opener mechanism. Sure the garage door opens far enough for your vehicle but not past the point where the bottom of the garage door is even with the header of the garage door opening. Door must reverse on contact with 1 1 2 3 8 cm high object or 2 x 4 laid flat on floor.

Adjusting these dials alters how far the garage door travels while closing and how much force in kilograms the motor uses. After any adjustments are made the safety reversal system must be tested. Prev article next article. Before you adjust the force setting of your garage door opener ensure your garage door tracks jambs and rollers are in good condition.

Incorrect adjustment of garage door travel limits will interfere with proper operation of safety reversal system.