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.
Garage door opener broken gear.
This is a video on how to change the gear sprockets in a craftsman garage door opener.
The gear and sprocket assembly is inside the cover of the garage door opener motor.
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.
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.
If the gear and sprocket assembly breaks the motor runs but the door won t move.
It s one of the most common garage door opener repair problems there is.
Garage door opener won t open all the way fix.
041c4220a is a complete chain drive gear and sprocket replacement kit.
Located at the top of the motor unit the gear and sprocket assembly drives the chain that opens and closes the garage door.
The most common cause of a chain being loose and appearing broken is a broken gear and sprocket.
It can be a complicated repair but not impossible to do yourself.
The gear and sprocket assembly dri.
Replace a broken gear and sprocket assembly with the manufacturer approved replacement part.
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 can be easily replaced by a garage door service technician.
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.
This was a craftsman model 139 53976srt.
This is related to the up limit switch.
T his is a pretty uncommon problem but one that can happen after you ve first installed your garage door opener.
This gear and sprocket assembly is compatible with various chain drive garage door openers.
This video from sears partsdirect shows how to replace the gear and sprocket assembly on a chain drive garage door opener.
This is the plastic gear that comes in direct contact with the worm drive gear on the motor.
The main drive gear is the plastic gear that comes in direct contact with the worm drive gear on the motor.