How To Replace Drive Gear On Craftsman Garage Door Opener
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.
How to replace drive gear on craftsman garage door opener. If the gears break or strip the door won t move. This diy repair guide explains how to replace the drive and worm gears on a chain drive garage door opener. If the gear and sprocket assembly breaks the motor runs but the door won t move. This was a craftsman model 139 53976srt.
This is a video on how to change the gear sprockets in a craftsman garage door opener.
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