Using the EMAX Pro 2814 Brushless Motor is easy. First, make sure it's properly connected to your device. When you power it on, start with a low speed and gradually increase it to the desired level. As for safety, always keep your hands away from the moving parts when the motor is running. To maintain this motor, clean it regularly to prevent dust and debris build - up. Check the connections from time to time to ensure they are tight and secure. If you notice any strange noises or vibrations, stop using the motor immediately and have it checked.