This is where you will be working on in the next step.
Adjusting garage door opener chain.
What you will need two open ended spanners to fit the lock nuts.
The chain on my garage door opener seems to be sagging and rubbing on the track.
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.
Occasionally your garage door chain drive will need adjusting it doesn t mean that there is a problem with the door but that either the chain has stretched a little or the lock nuts have moved.
How do i adjust it.
You can put the chain back on your automatic garage door opener using a simple adjustment mechanism.
This video details how to adjust the opener force and travel of the door.
Chain driven garage door openers should have some slack in the chain for optimal performance.
The chain is a very important component that makes up a garage door opener system.
Step 4 adjusting the chain.
Adjustable spanners can be used as long as they are adjusted tightly you don t want to make the lock nuts cylindrical.
There are only a few ways that the chain can be tightened.
Garage door opener chain adjustment.
Over time though this slack can increase or the gear and sprocket assembly can wear and the chain may pop off the sprockets.
Both adjustment types should be done with.