The front sprocket is at the end of the opener rail closest to the garage door opening.
Garage door opener repair loose chain.
The chain wraps around this sprocket as well as the gear and sprocket at the motor.
Disconnect the rail from the header bracket and move the rail off to one side.
Press down on the chain with your finger.
I am not a professional.
Grasp the chain 1 foot from where it connects to the end of the threaded chain anchor.
The one you re looking for is attached to a bolt found at the spot where the trolley or carriage connects to the rail.
If you need help with repairing your garage door opener schedule a repair appointment today.
Once the chain is secure separate it from both sides of the trolley.
Then use the wrench to tighten this second nut clockwise until the chain is tighter but not so taut that it is completely inflexible.
The chain got loose and popped off the gear.
This will help maintain the location of the chain on the sprocket and speed up reassembly.
Documenting how i repaired the garage door.
Another common cause for a loose chain could be the front sprocket breaking.
For garage door repair companies like ourselves this means that we ll be forced to install garage door opener systems which are compliant with the laws after july 1.
Garage door opener repair.
Too much tautness in the chain could lead to it breaking.
Thread the nut s facing the door clockwise until it meets the bracket then release the chain.
To do this put some lubricant on a piece of rag this use the rag to wipe the chain.
After that check the wiring system of your motor and make sure that you are generating enough power to open and close your garage door.
Step 2 clean the chain.
A new front sprocket costs about 150 200 include the labor to install it.
Looking to repair your garage door opener.
Common problems could range from issues with the remote or wall switch that control the garage door opener to more serious issues like a grinding noise coming from the opener itself.
Before you pull the old one off to begin the garage door repair clamp down the chain to the rail.
Pull the chain toward the garage door and hold it in position.
Turn it counterclockwise holding the other nut in your hand to prevent it from turning.
So if you need your garage door repairing or replacing after july 1 you may have to pay more if your door isn t already equipped with a battery backup system.