Garage Door Opener Broken Gear

Replace a broken gear and sprocket assembly with the manufacturer approved replacement part.

Garage door opener broken gear.

This video from sears partsdirect shows how to replace the gear and sprocket assembly on a chain drive garage door opener. Helical gear and top hat assembly worm gear wear bushings grease and hardware needed to replace the chain drive gears. The most common cause of a chain being loose and appearing broken is a broken gear and sprocket. Garage door opener won t open all the way fix.

Located at the top of the motor unit the gear and sprocket assembly drives the chain that opens and closes the garage door. This is a video on how to change the gear sprockets in a craftsman garage door opener. Several components will need to be removed to get at the gear. Chances are your main drive gear has bit the bullet.

Try making small adjustments. The main drive gear is the plastic gear that comes in direct contact with the worm drive gear on the motor. It can be a complicated repair but not impossible to do yourself. The plastic gear on the drive shaft is designed to fail if the garage door gets stuck in the travel tracks protecting the expensive drive motor from damage.

If the gear and sprocket assembly breaks the motor runs but the door won t move. Replace the garage door opener gear and sprocket assembly as the drive shaft and sprocket rotate they drive the trolley that lifts and lowers the garage door. This is related to the up limit switch. This was a craftsman model 139 53976srt.

It s important to get this switch at just the right distance from the motor so that the door is able to close all the way but the motor also knows to stop running. Replace the main gear drive if the garage door opener makes a grinding noise but the door doesn t move your main drive gear is probably toast. The gear and sprocket assembly is inside the cover of the garage door opener motor. The gear and sprocket assembly dri.

T his is a pretty uncommon problem but one that can happen after you ve first installed your garage door opener. It s one of the most common garage door opener repair problems there is. All systems come with remote garage door openers but if you need to replace a broken or lost remote universal garage door openers are easy to set up and control. This gear and sprocket assembly is compatible with various chain drive garage door openers.

041c4220a is a complete chain drive gear and sprocket replacement kit.