Using this AEG and Electrolux Comfortlift™ Basket Rail Hinge Roller is simple. First, make sure your dishwasher is turned off and unplugged. Then, carefully remove the old hinge roller and replace it with this new one. It's designed to fit easily, but if you have any trouble, you can always check the dishwasher's manual. As for maintenance, keep it clean from dirt and debris. Wipe it down occasionally with a soft, dry cloth. Remember, this product comes with a full guarantee, so if you experience any issues, don't hesitate to contact us.