Garage Door Gear And Sprocket Broken

This was a craftsman model 139 53976srt.

Garage door gear and sprocket broken.

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. 041c4220a is a complete chain drive gear and sprocket replacement kit. 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. It was a matter of removing a few screws and unbolting the old gear and sprocket assembly and replacing it with the new one.

Tighten the bolts on. 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. This gear and sprocket assembly is compatible with various chain drive garage door openers. This gear kit on amazon.

If the gear and sprocket assembly breaks the motor runs but the door won t move. Helical gear and top hat assembly worm gear wear bushings grease and hardware needed to replace the chain drive gears. 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. Https amzn to 2uwvnkj i m working on a chain drive opener.

For them to open a number of parts need to work together with one another. Broken gear and sprocket garages doors can weigh up to 400 lbs. Like any other mechanical system parts will eventually break or wear out over time. If yours is a belt drive you need a kit like this https amzn to 2zqns.

Keeping your door operating properly can prevent premature wear on the door itself as well as. This is a video on how to change the gear sprockets in a craftsman garage door opener. 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. Located at the top of the motor unit the gear and sprocket assembly drives the chain that opens and closes the garage door.

All of our garage door opener gear kits include helical gear and top hat assembly worm gear wear bushings grease and hardware needed to replace the dual speed sprocket and gears.