Place a stepladder beneath the box portion of the garage door opener.
Setting garage door to manually opening.
Diagram of garage door engaged and disengaged to screw drive opener system.
Keep the rollers and chain lubricated on your garage door.
If the door simply stops short of the floor the likely culprit is the down limit switch.
To reattach your garage door to opener system you ll pull the emergency release cord down and towards the opener.
To reset it begin by pulling the cord in the opposite direction.
Consult it first before tinkering with your door.
This emergency release cord will be attached to the trolley in the center of the garage door.
Keep your owner s manual on hand.
This will reengage the door to the opener system and now the only way to open and close your garage door would be with the power of your opener unit.
Have a helper steady the ladder.
This disengages the electric drive from the door and you can manually open and close it.
To manually open most garage doors you simply pull a corded handle that is attached to the door.
To locate the bypass switch look for a red rope hanging down from your garage mechanisms.