John N Kill Devil Hills , NC May 09, 2016 Appliance: KitchenAid Undercounter Dishwasher KUDP02FRSS1 Kitchenaid Dishwasher Kudp02frss1: Not cleaning dishes well. How to replace Spray Arm Bearing. Replaced the above parts, cleaned out the sump by the food grinder, cleaned out the upper sprayer, and added a couple of orings to remove some play in the middle spray arm and inlet tube for the middle spray arm. Do-It-Yourself Rating: Repair Time Estimate: 1-2 hours