Replacing Gears In A Garage Door Opener

The main drive gear is the plastic gear that comes in direct contact with the worm drive gear on the motor.

Replacing gears in a garage door opener.

Garage door opener won t open all the way fix. It s one of the most common garage door opener repair problems there is. Shredded plastic gears are a common problem with chain driven garage door openers. This diy repair guide explains how to replace the gear and sprocket assembly on a chain drive garage door opener.

1 helical gear 1 worm gear 1 grease wear bushings and hardware needed to replace the gears. You ll need to get a replacement gear set. 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 the gear and sprocket assembly breaks the motor runs but the door won t move.

This gear kit on amazon. This is the plastic gear that comes in direct contact with the worm drive gear on the motor. 1 16 of 240 results for craftsman garage door opener gear replacement for liftmaster 41c4220a gear and sprocket kit fits chamberlain sears craftsman 1 3 and 1 2 hp chain drive models 4 8 out of 5 stars 1 847. Https amzn to 2uwvnkj i m working on a chain drive opener.

This was a craftsman model 139 53976srt. Garage door installation and replacement costs may vary according to style and size. Located at the top of the motor unit the gear and sprocket assembly drives the chain that opens and closes the garage door. Several components will need to be removed to get at the gear.

This drive gear and worm kit is compatible with most 1 2hp belt and chain drive garage door openers manufactured after 1993. 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. 041a2817 is a basic drive and worm gear replacement kit. It can be a complicated repair but not impossible to do yourself.

If yours is a belt drive you need a kit like this https amzn to 2zqns. This is a video on how to change the gear sprockets in a craftsman garage door opener. This complete gear kit includes.