Garage Door Broken Sprocket

Simply remove those for replacement.

Garage door broken sprocket. Remove the outer nut and lock washer from the trolley threaded shaft and pull the threaded shaft out of the trolley. 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. Sprocket is at the end of the opener rail closest to the garage door opening. Another common cause for a loose chain could be the front sprocket breaking.

Around this sprocket as well as the gear and sprocket at the motor. If it is just a gear you are replacing you should remove it after you have unbolted assembly and replace it with a new one by going in reverse order. This video from sears partsdirect shows how to replace the gear and sprocket assembly on a chain drive garage door opener. This gear kit on amazon.

They connect the motor to the chain or belt. Can be used on tube shafts. A new front sprocket costs. Https amzn to 2uwvnkj i m working on a chain drive opener.

Garage door installation and replacement costs may vary according to style and size. This home depot guide will explain the cost to install garage doors and openers or replace existing ones so you can decide which options are best for your budget. The springs on the garage door will eventually weaken putting stress on the bushing. If yours is a belt drive you need a kit like this https amzn to 2zqns.

Slide the outer trolley away from the inner trolley. The gear and sprocket assembly dri. Tighten the bolts on. Lay the chain on the garage floor while you complete the repair.

If it is the entire assembly you need just replace the assembly with your new one. If it s the gear and the sprocket that s no longer working on your garage door opener then you ll need it replaced. As the bushing wears down on top of the unit the teeth of the gear will slowly grind down. Drill through the sprocket and shaft and install a bolt hardened bolt if needed through the shaft.