Using this upper spray arm funnel is easy. First, make sure your dishwasher is turned off and unplugged. Clip the funnel into the center of the upper basket firmly. Then, attach the upper spray arm to the bottom of the funnel. When it comes to using your dishwasher, just operate it as you normally would. As for maintenance, it's a good idea to check the funnel regularly for any signs of damage or wear. If you notice any cracks or breaks, it's best to replace it right away. Also, keep it clean by rinsing it under running water every now and then. If you're unsure about the part's suitability for your dishwasher model, don't hesitate to contact us with your model number. We're here to help you use this part with confidence.