Garage Door Chain Gear Broke

Press down on the chain with your finger.

Garage door chain gear broke.

Pull the chain off the motor unit sprocket and out of the chain spreader. Remove the outer nut and lock washer from the trolley threaded shaft and pull the threaded shaft out of the trolley. 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. 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. Pull the chain toward the garage door and hold it in position. Thread the nut s facing the door clockwise until it meets the bracket then release the chain. The gear will cost about 50 00 with shipping and then the cost of having someone install it.

Grasp the chain 1 foot from where it connects to the end of the threaded chain anchor. Garage door openers. To do this put some lubricant on a piece of rag this use the rag to wipe the chain. Lay the chain on the garage floor while you complete the repair.

A broken garage door chain will immediately impact your garage door s operation and render its automatic motorized capability effectively useless. This can be easily replaced by a garage door service technician. Slide the outer trolley away from the inner trolley. 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.

Periodic maintenance of a liftmaster chain driven garage door opener includes lubricating the chain and greasing the chain rail. I hope this will help. If the chain on your garage door is rusty you need to apply lubricant into it to loosen the corrosion. A new garage door open start around 130 00 plus installation.

It will usually run about 200 00 total.