Keep it propped open while you fix the chain.
Garage door chain fell off.
Opener systems can develop a number of problems including electronic problems with remote control units chain slippage faulty roller action and cables that come off the pulley system.
Documenting how i repaired the garage door.
Check to make sure that the chain is not twisted or damaged.
Garage door didn t open in the morning.
If you find that your garage door opener chain falls off the track on which it has been placed you will need to put it back up and then tighten the chain to stop this happening in the future.
To reinstall the chain on the sprocket first with the door closed pull the rope hanging down from the trolley on the t bar.
I believe stanley openers were this way probably a few others as well.
Check the travel of the chain and trolley.
Fortunately fixing off track rollers is a simple diy project.
This will release the door from the garage door opener.
Move the ladder to the outer end of the chain arm near the garage door.
Loosen the inside nut and back it off 6 8 turns back the outside nut off 5 6 turns this will give you some slack in the chain.
There is usually a bolt that can be turned to push the rail out or loosened to draw it in.
Disengage the garage door from the opener by pulling down on the emergency pull cord to release the door trolley.
I am not a professional.
Pull down the trolley cord to release the trolley from the chain arm and lower the door by hand.
How to fix a garage door chain drive sprocket 1.
The chain got loose and popped off the gear.
Press the wall control button or remote so that the opener completes its close cycle and the sprocket on.
Adjust the chain tension so that there is a slight drop to the chain.
The reason the chain went off track was because the chain.
Loosen the bolts on the chain pulley that s.
After close examination we found the chain was off track.
Here is our guide for how to fix an off track garage roller.
You don t have to worry about messing with the powerful springs in your garage door so you can safely fix the misaligned garage door rollers without calling a professional.
The chain is attached to a threaded rod that is attached to the trolley.
If you are outside the door when this occurs you will need some assistance to move the door manually.
The trolley should end in the closed position at the connection to the attachment rail of the garage door do not attach.