Garage Door Gear And Sprocket Broken

Located at the top of the motor unit the gear and sprocket assembly drives the chain that opens and closes the garage door.

Garage door gear and sprocket broken.

Https amzn to 2uwvnkj i m working on a chain drive opener. Keep your garage door opener up and running using garage door opener gear kits from liftmaster. If yours is a belt drive you need a kit like this https amzn to 2zqns. This gear and sprocket assembly is compatible with various chain drive garage door openers.

Garage door faults can occur in a number of ways from broken cables and torsion springs to remote and opener faults or just natural wear and tear. This is a video on how to change the gear sprockets in a craftsman garage door opener. Like any other mechanical system parts will eventually break or wear out over time. Replace a broken gear and sprocket assembly with the manufacturer approved replacement part.

Helical gear and top hat assembly worm gear wear bushings grease and hardware needed to replace the chain drive gears. 041c4220a is a complete chain drive gear and sprocket replacement kit. This gear kit on amazon. Keeping your door operating properly can prevent premature wear on the door itself as well as.

It was a matter of removing a few screws and unbolting the old gear and sprocket assembly and replacing it with the new one. I was skeptical that this kit would fit a 1998 built sears craftsman garage door opener but it did i it came with everything you need to replace the broken plastic sprocket gear. Broken gear and sprocket garages doors can weigh up to 400 lbs. This was a craftsman model 139 53976srt.

You can remove the three mounting screws from the sprocket bracket using a 5 16 nut driver for the 2 easily accessible screws and use a 1 4 drive ratchet and 5 16 socket for the one that s harder to reach. I do all of this with the door closed and the trolley slid all the way out in the door closed position and locked to the door. For them to open a number of parts need to work together with one another. Slide the pulley toward the garage door until the chain is stretched tight then move it toward the motor until the middle of the chain touches the upper side of the chain arm.

Tighten the bolts on.