Garage Door Opener Sprocket Sheared Off

Over time the sprocket s teeth can wear and the chain may jump or skip when the opener raises the door.

Garage door opener sprocket sheared off.

This gear and sprocket assembly is compatible with various chain drive garage door openers. This was a craftsman model 139 53976srt. Chamberlain 1 25 hp myq secure view and ultra bright smart belt drive garage door opener with myq and wi fi compatibility and battery back up and led light and camera s item 1630354 model b6765. This gear set worked great and replaced a broken one in my 2002 1 2 hp chamberlain liftmaster yesterday.

It wasn t listed for the same model but after looking online it seems that most garage door openers made after 1984 use the same sprocket assembly. Garage door openers. Chain driven garage door openers should have some slack in the chain for optimal performance. 041c4220a is a complete chain drive gear and sprocket replacement kit.

The stealthdrive 750 belt drive garage door opener the stealthdrive 750 belt drive garage door opener is an ultra quiet garage door opener with a steel reinforced belt making it the ideal choice for homeowners where sound could be an issue. This diy repair guide explains how to replace the gear and sprocket assembly on a chain drive garage door opener. It was a perfect replacement and the garage door is working. If the gear and sprocket assembly breaks the motor runs but the door won t move.

I hope this will help. Chain drive garage door openers have a sprocket that is attached at the top of the motor. This is a video on how to change the gear sprockets in a craftsman garage door opener. The bag said it was an oem piece.

You can put the chain back on your automatic garage door opener using a simple adjustment mechanism. Over time though this slack can increase or the gear and sprocket assembly can wear and the chain may pop off the sprockets. This garage door opener has a powerful dc motor with geniesense technology standard. The gear will cost about 50 00 with shipping and then the cost of having someone install it.

Helical gear and top hat assembly worm gear wear bushings grease and hardware needed to replace the chain drive gears.