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This is a short clip showing a stripped gear inside a Chamberlin liftmaster. You can usually tell your gear is stripped in your Liftmaster or Craftsman motor if you hit the remote control or push button and the motor is turning but your door won't go up.… more »

The Torque Master: is the spring system developed by Wayne Dalton garage doors. It consists of an oval hollow tube with internal springs and gears at each end of the tube, that are attached to the door cables. This spring system is only used on Wayne Dal… more »