Garage Door Opener Chain Tension Adjustment

A flathead screwdriver is all that is needed to make a limit adjustment on most garage door openers.

Garage door opener chain tension adjustment.

The springs will be under tension which increases the risk of injury. When the door is lowered you ll notice that the tension springs responsible for raising the door become taught. Just tighten enough to stop it hitting the rail. It will release the door opener from its drive chain.

Garage door opener chain adjustment. How do i adjust it. Motor unit assembly parts rail assembly parts and installation parts for liftmaster chain drive garage door opener models 1345 1345m 1346 1346m. There may be an adjustment linked to the chain or an adjustment to the length of the door opener track.

If the tension is too loose the springs that help lift the. Contact the genie company directly for model specific adjustment instructions. Unplug the opener if you have an automatic garage door. 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.

How to adjust garage door tension. To fix your garage door cables you ll want to release the tension of the springs by lifting the door. The remote controls fitted in your car coupled with the motor mechanism attached to a chain that is the heart of a garage opener make the process of moving the door much more convenient. Both adjustment types should be done with.

Common problems associated with such systems are caused by the chain loosing its tension. Note that because the garage door will be down this will mean. Liftmaster 985 1240 1240r repair parts list and diagrams. There are only a few ways that the chain can be tightened.

Call a professional if you don t feel confident dealing with a spring under this much tension. The chain on my garage door opener seems to be sagging and rubbing on the track. Remember to not over tighten the chain. You need proper tension on a garage door to operate the door by hand or with an automatic opener.

Replacement gear kit if you need one http amzn to 2drtdvc if you. If the up travel isn t functioning properly turn the up limit adjustment screw clockwise. Close the garage door. Follow the article below to learn how to adjust the chain.