Using this pool hinge is easy. First, make sure you have the pair of hinges as they come in sets. Mount the hinges onto the glass panels of your pool fencing according to the instructions. The self - closing feature will work automatically once it's installed. When it comes to maintenance, simply clean it regularly with a mild soap and water solution. Avoid using abrasive cleaners as they can damage the finish. Keep an eye on the spring mechanism to ensure smooth operation. If you notice any issues, it's best to consult a professional. Also, remember that these hinges are designed for pool fencing, so don't use them for other purposes.