Adjustable spanners can be used as long as they are adjusted tightly you don t want to make the lock nuts cylindrical.
Adjusting garage door opener chain.
The chain is a very important component that makes up a garage door opener system.
There may be an adjustment linked to the chain or an adjustment to the length of the door opener track.
This is where you will be working on in the next step.
Chain driven garage door openers should have some slack in the chain for optimal performance.
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.
Step 4 adjusting the chain.
What you will need two open ended spanners to fit the lock nuts.
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.
Locate the lower cover of the garage door and use the screwdriver to open it.
You can put the chain back on your automatic garage door opener using a simple adjustment mechanism.
The chain on my garage door opener seems to be sagging and rubbing on the track.
There are only a few ways that the chain can be tightened.
Garage door opener chain adjustment.
This video details how to adjust the opener force and travel of the door.
How do i adjust it.