Garage Door Opener Chain Will Not Stay On Drive Sprocket

Chain driven garage door openers should have some slack in the chain for optimal performance.

Garage door opener chain will not stay on drive sprocket. You can put the chain back on your automatic garage door opener using a simple adjustment mechanism. This repair guide and video show how to replace a chain drive garage door opener gear and sprocket assembly. This diy repair guide explains how to replace the gear and sprocket assembly on a chain drive garage door opener. Over time though this slack can increase or the gear and sprocket assembly can wear and the chain may pop off the sprockets.

Actually there are many more answers. Sprocket is at the end of the opener rail closest to the garage door opening. 1 check to make sure the opener is getting power. A new front sprocket costs about 150 200 include the labor to install it.

What could be causing my garage door opener chain to not move. If you are not confident in your ability to diagnose the problem call a local garage door service company. The chain wraps around this sprocket as well as the gear and sprocket at the motor. If your garage door opener s motor runs but the chain doesn t move the gear and sprocket assembly might be broken or worn.

Chain drive garage door openers have a sprocket that is attached at the top of the motor. As of today 2017 11 08 there were two answers. How to fix a chain drive garage door when it won t open. Inside the garage door opener there is going to be a gear reduction system to adapt the motor speed to the chain sprocket speed.

This question is from quora. Over time the sprocket s teeth can wear and the chain may jump or skip when the opener raises the door. Having an automatic door opener in your garage is a great convenience but you have to give the opener and all its parts regular. Located at the top of the motor unit the gear and sprocket assembly drives the chain that opens and closes the garage door.