Liftmaster Garage Door Opener Limit Switch Adjustment

041d3452 2 is a limit switch replacement kit.

Liftmaster garage door opener limit switch adjustment.

Set the step ladder under the garage door opener in your garage and use it to access the up and down limit switch adjustment screws located on the side of the garage door opener motor housing. Adjusting these dials alters how far the garage door travels while closing and how much force in kilograms the motor uses. On certain garage door models the limit switch is located on the tracks. Use a ladder to get there and get ready to make the necessary adjustments.

For use with various 3 4hp liftmaster and chamberlain chain drive garage door openers. If the problem remains continue adjusting the down limit switch until the door operates normally. Our limit switch kits are compatible with many of our chain drive openers. Limit switch bracket and adjustment screws.

Open and close the garage door. If you can t find it there consult your user manual for reference. The travel distance limit setting and the downward force limit setting. Check the manual or replacement parts diagram for specific part information before ordering to ensure compatibility.

There are two types of adjustable down limit on liftmaster garage openers. He has a screw type opener not sure if that matters but the liftmaster 41d4671 screw drive limit switch looks like the correct part. I was trying to fix my brother in law s garage door opener and saw that the metal contacts on the limit switch were broken so i ordered the first on i saw which was wrong. Using a flathead screwdriver turn the down limit switch adjustment screw on the side of the garage door opener counterclockwise one full turn for every 3 inches you need the door to lower so it closes all the way.