You need to loosen the bolts located near the motor and squeeze the nut located on the opposite end to tighten the chain.
Garage door chain adjustment bolt.
Close the door and it is locked pull the chain and it is unlocked.
Raise the garage door to about chest height detach it from the opener and then close it by hand to work on the chain.
Step 4 reconnect the motor.
It can also happen as a result of the securing hardware working loose over time.
The problem with a misaligned garage door track is that it can cause problems with the operation of your door.
There should be nuts on either side to adjust the drive mechanism.
Use the wrench to loosen the lock nuts and turn the adjustment nut to set the slack in the chain.
Adjust it tight enough so that the center of the chain sags about 1 2 down from parallel with the track graphic below right.
A sagging chain is a result of normal usage of the garage door opener.
On the master link you will see two or three nuts.
The garage door may bind making it hard to open and close.
The chain bolt makes it super easy to unlock and lock.
The chain is a very important component that makes up a garage door opener system.
This will cause premature wear on the chain rollers.
These usually consist of a bolt with two or three nuts one or two for locking or a nut and lock washer and one for adjusting.
It comes with a chain guide so that the chain doesn t wildly swing around when opening and closing the door.
The adjustment bolt is held in place by nuts located on the sides of the assembly.
Step 4 tightening the chain using your wrench you can start to loosen up the adjusting nut on the side of your carriage closest to the opener head.
The adjustment bolt a bolt with threads which the chain is connected to has a pair of adjusting nuts on either side of the assembly.
Reconnect the motor to the door chain opener then test your door by opening and closing it a few times.
The most common issues caused when a garage door track is out of alignment are as follows.
Took 10 minutes to remove the old bolt and install the new one.
Usually a pair of nuts are associated with the locking mechanism while one is concerned with the adjustment of the chain.
Do not over tighten the chain.
Use a wrench to turn the first nut at the side of the assembly counterclockwise.
Watch this video and see the professional at town country door llc demonstrates the.