Garage Door Broken Sprocket

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.

Garage door broken sprocket.

As the bushing wears down on top of the unit the teeth of the gear will slowly grind down. Remove the outer nut and lock washer from the trolley threaded shaft and pull the threaded shaft out of the trolley. They connect the motor to the chain or belt. Tighten the bolts on.

Pull the chain off the motor unit sprocket and out of the chain spreader. 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. If it is the entire assembly you need just replace the assembly with your new one. The gear and sprocket assembly dri.

Another common cause for a loose chain could be the front sprocket breaking. Garage door installation and replacement costs may vary according to style and size. This gear kit on amazon. Drill through the sprocket and shaft and install a bolt hardened bolt if needed through the shaft.

Sprocket is at the end of the opener rail closest to the garage door opening. A new front sprocket costs. Slide the outer trolley away from the inner trolley. Lay the chain on the garage floor while you complete the repair.

This sprocket is typically used on a soled keyed garage door shaft. If yours is a belt drive you need a kit like this https amzn to 2zqns. 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. 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. Around this sprocket as well as the gear and sprocket at the motor. Can be used on tube shafts. Https amzn to 2uwvnkj i m working on a chain drive opener.