Using this vintage Westinghouse dishwasher upper basket dual roller assembly is easy. First, make sure your dishwasher is an older model that this part is compatible with. Simply attach the roller assembly to the upper basket of your dishwasher. When you're using your dishwasher, the rollers will help the upper basket move smoothly. As for maintenance, it's a good idea to check the rollers regularly for any signs of wear and tear. If you notice any issues, don't hesitate to contact us. Remember, this part doesn't fit newer Simpson and Westinghouse models with grey dual rollers. If you're unsure about the suitability of this item, always get in touch with us using the full model number of your appliance before you make a purchase.