Push the helical gear onto the gear and sprocket assembly shaft and secure it with the retaining clip.
Garage door drive gear repair.
This was a craftsman model 139 53976srt.
You ll need to get a replacement gear set.
Sears partsdirect has the garage door parts you need.
With the gears back in place tighten the chain as directed in your owner s manual.
Buy sears craftsman garage door opener parts at garage door supply company and enjoy free technical support from the pros.
Because craftsman parts are made by the.
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.
Chances are your main drive gear has bit the bullet.
It can be a complicated repair but not impossible to do yourself.
Slide the new spring onto the shaft and make sure the red winding cone is.
41c4220a liftmaster chain drive gear and sprocket 26 24 24.
Garage door opener chain idler pulley if the chain idler pulley is broken then you may start to see your chain get off track.
When attempting to repair your garage door opener you re going to need the right parts.
Regardless of what you need you can find it from sears partsdirect.
Apply grease to the helical gear.
It s one of the most common garage door opener repair problems there is.
This is the plastic gear that comes in direct contact with the worm drive gear on the motor.
Replace the cover on the garage door opener plug it back in and start enjoying your now functioning garage door opener.
Long lasting repair job or upgrade.
41a5034 safety sensor kit 2 31 55.
Insert the gear and sprocket assembly into the motor unit and install the mounting screws.
Several components will need to be removed to get at the gear.
Reinstall the motor unit cover and secure it with the mounting screws.