A broken fan-blade assembly is easily replaced with a new one. If the motor is noisy or doesn't work, you should take the fan to a repair shop. Repairing a wobbly tube or worn adjustment mechanisms that don't remain tight is not difficult. In a short time, your fan will be circulating the air to your liking. broken fan-blade assembly is easily replaced with a new one. If the motor is noisy or doesn't work, you should take the fan to a repair shop. Repairing a wobbly tube or worn adjustment mechanisms that don't remain tight is not difficult. In a short time, your fan will be circulating the air to your liking.