How To Replace Worm Gear On Chamberlain Garage Door Opener

041a2817 is a basic drive and worm gear replacement kit.

How to replace worm gear on chamberlain garage door opener.

Align the bolt hole with the cover hole on the top of the opener towards the back side closest to the door. Some motors have the roll pin behind the worm gear on the shaft so you pull the worm gear straight off. This complete gear kit includes. Reinstall the front roll pin.

Fortunately the repair is neither difficult nor expensive and it should only take an hour of your time. So if you suddenly find that the motor on your garage door opener sounds like it s running but the door is not moving checking for worn gears is the first thing you should do. This is a video on how to change the gear sprockets in a craftsman garage door opener. Video overviews how to replace your garage door opener main drive gear on chamberlain sears craftsman and liftmaster garage door openers.

This was a craftsman model 139 53976srt. This drive gear and worm kit is compatible with most 1 2hp belt and chain drive garage door openers manufactured after 1993. Lubricate the worm gear with grease and then slide the new worm gear onto the motor shaft engaging the rear worm gear notches on the roll pin. Shredded plastic gears are a common problem with chain driven garage door openers.

Use grease from the kit to lubricate the three screws that secure the gear and sprocket assembly to the opener frame.