Adjusting Garage Door Opener Chain

If the door won t stay open to its full extent or doesn t close flush to the ground the travel control needs an adjustment.

Adjusting garage door opener chain. Adjust the chain on a garage door opener with help from a garage door spec. Chain adjusts by shortening the chain itself. How to do a simple adjustment on a garage door opener. Both adjustment types should be done with the door closed and disconnected from the opener using the emergency release.

This is where you will be working on in the next step. There are only a few ways that the chain can be tightened. The chain is a very important component that makes up a garage door opener system. A flathead screwdriver is all that is needed to make a limit adjustment on most garage door openers.

Liftmaster 985 1240 1240r repair parts list and diagrams. There may be an adjustment linked to the chain or an adjustment to the length of the door opener track. Press and release the close travel limit button to move the chain or belt connector forward to engage the carriage assembly. If the up travel isn t functioning properly turn the up limit adjustment screw clockwise.

Press the close travel limit button again and hold it down until the bottom of the door is pressed firmly against the ground. Step 4 adjusting the chain. Motor unit assembly parts rail assembly parts and installation parts for liftmaster chain drive garage door opener models 1345 1345m 1346 1346m. Program your genie garage door opener to recognize when the door is completely closed.

Once you have access to the inner components of the garage door opener locate the master link the point where the chain forms a junction with the cable.