How to change the gear on a liftmaster accessmaster craftsman chain drive garage door opener.
How to change gear on craftsman garage door opener.
Step by step garage door opener gear fix.
This is a video on how to change the gear sprockets in a craftsman garage door opener.
Follow the steps in this repair guide and video to replace the gear and sprocket assembly in craftsman chamberlain and liftmaster chain drive garage door openers.
Not a difficult repair and can save you a couple hundred do.
This was a craftsman model 139 53976srt.
If the gears break or strip the door won t move.
Find the make and model of your garage door opener and then start shopping for a new gear kit.
Sears partsdirect has the sears craftsman garage opener parts you need to fix any problem.
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.
Replace a broken gear and sprocket assembly with the manufacturer approved replacement part.
Amazon and other online retailers carry many popular gear kits ranging in price from about 18 to 30.
If you are in a bigger hurry you should be able to find a kit at a local garage door opener dealer.
If the gear and sprocket assembly breaks the motor runs but the door won t move.