How To Replace Sprocket Coupling On Garage Door Opener

This is a video on how to change the gear sprockets in a craftsman garage door opener.

How to replace sprocket coupling on garage door opener. I had the door disconnected from the opener s track and the door was halfway opened. Garage door installation and replacement costs may vary according to style and size. When the coupling that connects to the motor unit in your garage door opener is damaged or wears out it s easy and inexpensive to replace it with the liftmaster 25c20 screw drive sprocket coupler. Report this by manage my life.

This replacement part is compatible with various screw drive garage door opener rail assemblies made after 1995. 39 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 1 938. 025c0020 is a replacement screw drive sprocket coupling. The lock release will have a cord with a t handle at one end next disconnect power supply undo the bolts holding the motor to the hanger frame.

Liftmaster 25c20 screw drive sprocket coupler. Liftmaster 41a4795 coupler hardware kit garage door opener chamberlain craftsman 4 9 out of 5 stars 22 8 39 8. How do i replace the sprocket coupling sleeve on a 139 53663srt 1 2 hp garage door opener. I turned on my garage door opener to let the opener grab the garage door to reconnect the door to the track and the jolt of the moving track hitting the stationary door caused the old garage door coupling to fail you could hear the coupler shatter.

This was a craftsman model 139 53976srt. This replacement part is compatible with various screw drive garage door opener rail assemblies made after 1995. Make sure door is in down position and to release the lock on it. Check the manual for your specific model number before ordering to ensure compatibility.

Since the ends of the motor output and the rail screw drive go into either end of the coupling you need to move the motor unit and the rail apart to get the coupling out. 025c0020 is a replacement screw drive sprocket coupling.