If you ve checked for obstructions and made sure the lock button wasn t switched to the on position and still your garage door opener won t open all the way check to see if your garage door is balanced properly.
How to fix automatic garage door chain.
I am not a professional.
Sometimes the cable will break if it is a combination chain and cable drive system.
So start by tightening the chain find the procedure in your owner s manual.
To repair your broken garage door opener chain here is what you should do.
The chain got loose and popped off the gear.
Over time though this slack can increase or the gear and sprocket assembly can wear and the chain may pop off the sprockets.
How to fix a chain drive garage door when it won t open.
Once you ve replaced the worn door components check the garage door opener chain.
Replace the trolley carriage if the trolley carriage moves but the door doesn t open the culprit is probably a broken trolley carriage.
A loose garage door opener chain makes loud slapping sounds and causes jerky door movements that smack the rollers against the track.
Chain driven garage door openers should have some slack in the chain for optimal performance.
Before you pull the old one off to begin the garage door repair clamp down the chain to the rail.
You can put the chain back on your automatic garage door opener using a simple adjustment mechanism.
Step 1 diagnose the problem.
Garage door opener is very strong and seldom does the chain actually break.
If the door stalls or.
To do this open and close the garage door several times using the chain door opener and observe the performance of your opener.
To check the balance pull the.
Documenting how i repaired the garage door.
Garage door doesn t open fix.
In this case the cable can be replaced fixing the problem.