Garage Door Chain Gear Broke

Remove the outer nut and lock washer from the trolley threaded shaft and pull the threaded shaft out of the trolley.

Garage door chain gear broke.

Press down on the chain with your finger. A new garage door open start around 130 00 plus installation. The gear will cost about 50 00 with shipping and then the cost of having someone install it. This can be easily replaced by a garage door service technician.

I hope this will help. How to lubricate a liftmaster chain driven garage door opener. Thread the nut s facing the door clockwise until it meets the bracket then release the chain. If your chain is badly corroded you may need to remove the chain from the carriage assembly and soak it in lubricant for a few hours.

Pull the chain toward the garage door and hold it in position. To do this put some lubricant on a piece of rag this use the rag to wipe the chain. Immediate troubleshooting is required and a new garage door chain will need to be installed in place of the old one. Loosen the bolts on the chain pulley that s attached at the top of the arm and slide the pulley one inch toward the motor.

Slide the outer trolley away from the inner trolley. Lay the chain on the garage floor while you complete the repair. Grasp the chain 1 foot from where it connects to the end of the threaded chain anchor. If the chain on your garage door is rusty you need to apply lubricant into it to loosen the corrosion.

The most common cause of a chain being loose and appearing broken is a broken gear and sprocket. Periodic maintenance of a liftmaster chain driven garage door opener includes lubricating the chain and greasing the chain rail. It will usually run about 200 00 total. The gear and sprocket assembly is inside the cover of the garage door opener motor.

Move the ladder to the outer end of the chain arm near the garage door.