Replace the cover on the garage door opener plug it back in and start enjoying your now functioning garage door opener.
How to install gear kit in craftsman garage door opner.
Reinstall the motor unit cover and secure it with the mounting screws.
It s built for 7 ft.
With the gears back in place tighten the chain as directed in your owner s manual.
Drive and worm gear kit 41c4220a is an original equipment manufacturer oem part that fits most craftsman 139 series chain drive garage door openers manufactured after 1993.
This was a craftsman model 139 53976srt.
Garage doors and the simple and straightforward installation ensures you ll be using your new opener in no time.
Find the best replacement parts for less for your sears craftsman garage door opener at garage door supply company.
We have craftsman and craftsman compatible replacement gear kits control panels lens covers and trolley and pulley assemblies.
Push the helical gear onto the gear and sprocket assembly shaft and secure it with the retaining clip.
Put a thin layer of the grease included in the kit on the gear.
Insert the gear and sprocket assembly into the motor unit and install the mounting screws.
Step by step garage door opener gear fix.
Apply grease to the helical gear.
The hp chain drive garage door opener kit is the entry level opener that s big on value.