This enables the trolley to connect to the carriage.
Garage door not connected to chain.
Just click here to watch the video.
This distinctive chain features a tension bolt with a nut at its open end.
The motor will run but will not move the chain.
The chain is located in the garage door s pulley bar.
I provided a video to help adjust the chain.
You may be missing that part.
Check the breaker controlling the door opener and reset if it it s tripped.
Ensure that the unit is plugged in the door isn t locked and if you are using a remote that the remote has batteries.
Most garage doors have an emergency release typically a red pull cord that allows the door to be opened and closed manually.
If your opener seems to overrun the switch and just keeps trying to pull the garage door up or down after it reaches the end of travel you might assume that it missed the.
Otherwise the solution is to add some links to the chain.
Pull straight down on the emergency release rope once the door is open.
I hope this helps.
If an extension is being used is comes with a longer chain and cable.
When the cord is pulled the motor is disengaged from the chain.
Remove this nut from the bolt with a socket wrench.