Garage Door Broken Sprocket

Drill through the sprocket and shaft and install a bolt hardened bolt if needed through the shaft.

Garage door broken sprocket.

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. 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. The springs on the garage door will eventually weaken putting stress on the bushing. This sprocket is typically used on a soled keyed garage door shaft.

Garage door installation and replacement costs may vary according to style and size. If yours is a belt drive you need a kit like this https amzn to 2zqns. If it is the entire assembly you need just replace the assembly with your new one. This video from sears partsdirect shows how to replace the gear and sprocket assembly on a chain drive garage door opener.

A new front sprocket costs. Sprocket is at the end of the opener rail closest to the garage door opening. Slide the outer trolley away from the inner trolley. Remove the outer nut and lock washer from the trolley threaded shaft and pull the threaded shaft out of the trolley.

Around this sprocket as well as the gear and sprocket at the motor. This gear kit on amazon. The gear and sprocket assembly dri. Can be used on tube shafts.

Tighten the bolts on. If it s the gear and the sprocket that s no longer working on your garage door opener then you ll need it replaced. 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. Pull the chain off the motor unit sprocket and out of the chain spreader.

As the bushing wears down on top of the unit the teeth of the gear will slowly grind down. Simply remove those for replacement. They connect the motor to the chain or belt. Another common cause for a loose chain could be the front sprocket breaking.