Replacing Gears On A Craftsman Garage Door Opener

This diy repair guide explains how to replace the gear and sprocket assembly on a chain drive garage door opener.
Replacing gears on a craftsman garage door opener. Select the craftsman garage door opener replacement parts you need using the key number on the parts diagram as a reference. If the gear and sprocket assembly breaks the motor runs but the door won t move. This video from sears partsdirect shows how to replace the drive and worm gears on a chain drive garage door opener. We have 1 2 hp craftsman garage door opener parts and parts for other models such as craftsman 3 4 hp garage door opener parts.
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. Gearkit part 2 liftmaster chamberlain sears craftsman garage door opener. Sears partsdirect has the sears craftsman garage opener parts you need to fix any problem. We have craftsman and craftsman compatible replacement gear kits control panels lens covers and trolley and pulley assemblies.
The gear and sprocket assembly dri. Fortunately the repair is neither difficult nor expensive and it should only take an hour of your time. The worm gear attaches to the motor shaf. This was a craftsman model 139 53976srt.
Shredded plastic gears are a common problem with chain driven garage door openers. This video from sears partsdirect shows how to replace the gear and sprocket assembly on a chain drive garage door opener. Located at the top of the motor unit the gear and sprocket assembly drives the chain that opens and closes the garage door.