Garage Door Broken Sprocket
Around this sprocket as well as the gear and sprocket at the motor.
Garage door broken sprocket. They connect the motor to the chain or belt. 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. The gear and sprocket assembly dri. 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.
Garage door installation and replacement costs may vary according to style and size. Simply remove those for replacement. This video from sears partsdirect shows how to replace the gear and sprocket assembly on a chain drive garage door opener. Sprocket is at the end of the opener rail closest to the garage door opening.
Remove the outer nut and lock washer from the trolley threaded shaft and pull the threaded shaft out of the trolley. Tighten the bolts on. If yours is a belt drive you need a kit like this https amzn to 2zqns. Can be used on tube shafts.
This gear kit on amazon. A new front sprocket costs. Lay the chain on the garage floor while you complete the repair. 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. 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. Another common cause for a loose chain could be the front sprocket breaking.
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. Slide the outer trolley away from the inner trolley. Https amzn to 2uwvnkj i m working on a chain drive opener. If it is the entire assembly you need just replace the assembly with your new one.