Test your repair with the garage door disconnected from the opener trolley.
Install garage door gear.
With the gears back in place tighten the chain as directed in your owner s manual.
As the largest manufacturer of residential garage doors clopay is the only residential garage door brand backed by the good housekeeping seal which carries a limited 2 year warranty.
This was a craftsman model 139 53976srt.
Then install the helical gear assembly.
Reattach the chain and tighten it to the proper tension see your owner s manual.
This is a video on how to change the gear sprockets in a craftsman garage door opener.
Coat the gear teeth with new grease.
First the lower door panel needs to be set up in the center of the doorway.
Required tools for this project.
Put a thin layer of the grease included in the kit on the gear.
We sell and install clopay garage doors.
Now you need to install the new helical gear assembly.
How to install an overhead garage door.
Installing an overhead garage door requires a few tools and a friend to help.