Garage Door Broken Sprocket

Around this sprocket as well as the gear and sprocket at the motor.

Garage door broken sprocket.

Slide the outer trolley away from the inner trolley. The gear and sprocket assembly dri. When used on tube shafts it is advisable to fill the tube shaft with a steel or wood dowel in the area of the sprocket and through bolt the sprocket. This video from sears partsdirect shows how to replace the gear and sprocket assembly on a chain drive garage door opener.

Another common cause for a loose chain could be the front sprocket breaking. If yours is a belt drive you need a kit like this https amzn to 2zqns. Simply remove those for replacement. Remove the outer nut and lock washer from the trolley threaded shaft and pull the threaded shaft out of the trolley.

Drill through the sprocket and shaft and install a bolt hardened bolt if needed through the shaft. As the bushing wears down on top of the unit the teeth of the gear will slowly grind down. This gear kit on amazon. 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 the entire assembly you need just replace the assembly with your new one. 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. They connect the motor to the chain or belt.

Can be used on tube shafts. A new front sprocket costs. Sprocket is at the end of the opener rail closest to the garage door opening. The springs on the garage door will eventually weaken putting stress on the bushing.

Tighten the bolts on. Lay the chain on the garage floor while you complete the repair. Pull the chain off the motor unit sprocket and out of the chain spreader. 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.