Worm Gear Garage Door Opener

This was a craftsman model 139 53976srt.

Worm gear garage door opener.

This diy repair guide explains how to replace the drive and worm gears on a chain drive garage door opener. Kit also fits chamberlain chain drive garage door opener models 1240r 1245r 1246r 1255r 1256r 2280 2280 267 and 2280 976. If you only need the drive gear it s available for less money on amazon in a two pack. This is a video on how to change the gear sprockets in a craftsman garage door opener.

Drive and worm gear kit 41c4220a is an original equipment manufacturer oem part that fits most craftsman 139 series chain drive garage door openers manufactured after 1993. Chamberlain 41c4220a garage door opener gear and sprocket assembly genuine original equipment manufacturer oem part 4 8 out of 5 stars 141. 4 2 out of 5 stars 8. Liftmaster 41c4220a gear and sprocket kit for chamberlain sears craftsman and liftmaster 1 3 and 1 2 hp chain.

This complete gear kit includes. Garage door opener drive gear worm set for sears chamberlain liftmaster 41a4315. If the gears break or strip the door won t move. 1 helical gear 1 worm gear 1 grease wear bushings and hardware needed to replace the gears.

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. The original worm gear in my opener was fine it s made of a harder plastic than the drive gear. Kit also fits chamberlain chain drive garage door opener models 1240r 1245r 1246r 1255r 1256r 2280 2280 267 and 2280 976. Cnbtr 0 5 modulus brass metal worm speed reducer with 60 teeth worm wheel 5mm bore gear shaft 5 0 out of 5 stars 6.

Shredded plastic gears are a common problem with chain driven garage door openers. The worm gear which attaches to the motor shaft meshes with the drive gear to spin the sprocket and drive the chain to open and close the garage door. Fortunately the repair is neither difficult nor expensive and it should only take an hour of your time. That said amazon delivered the kit overnight with prime and now my garage door opener is better than new.

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