Push the helical gear onto the gear and sprocket assembly shaft and secure it with the retaining clip.
How to install gear kit in craftsman garage door opner.
This was a craftsman model 139 53976srt.
It s built for 7 ft.
We have craftsman and craftsman compatible replacement gear kits control panels lens covers and trolley and pulley assemblies.
Insert the gear and sprocket assembly into the motor unit and install the mounting screws.
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.
Kit also fits chamberlain chain drive garage door opener models 1240r 1245r 1246r 1255r 1256r 2280 2280 267 and 2280 976.
Reinstall the motor unit cover and secure it with the mounting screws.
The hp chain drive garage door opener kit is the entry level opener that s big on value.
Replace the cover on the garage door opener plug it back in and start enjoying your now functioning garage door opener.
Garage doors and the simple and straightforward installation ensures you ll be using your new opener in no time.
The 3 button remote control allows you to easily program up to three garage doors and boasts a frequency range of up to 1500 ft.
This is a video on how to change the gear sprockets in a craftsman garage door opener.
Put a thin layer of the grease included in the kit on the gear.
Step by step garage door opener gear fix.