Ward D Niles , MI August 24, 2018 Appliance: Model FPP1821MP0A I broke a caster on the rear of my portable dishwasher I removed the back panel of the dishwasher exposing the caster and the lock ring. I removed the lock ring, removed the old caster and installed the new caster and replaced the lock ring. then I re-installed the back panel and wa-la it was done. 10 minutes total. too bad it took me a week on line and on the phone to find out it had a lock ring. Read More... 7 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes Tools: Pliers, Screwdrivers