The trolley is connected to the door and moves with the door as it opens and closes.
Garage door release mechanism.
The emergency release cord is the red rope that hangs from the door trolley.
The cable is unrolled and attached to the emergency release lever on the garage door opener s trolley.
The carriage locks around the opener trolley during normal operation.
A quick release mechanism is attached to the trolley to allow the garage door to be disconnected from the opener for manual operation during a power failure or in case of emergency.
The lock mechanism is installed into a hole on the garage door.
Garage door openers have a quick release mechanism that allows you to operate the garage door manually in the event you lose power.
It can be used on virtually any garage door opener.
Or maybe it was just the mechanism s time.
Through the attachment point the trolley is also connected to the opener carriage.
When your garage door is not working after a power outage even after the power comes back on you might think something is wrong.
This is the garage door release mechanism that you will need to engage in order to manually lift the door.
It involves pulling the garage door rope to allow for manual operation before fully raising the door.
The opener carriage is the automated mechanism that moves the door along the door rail track.