James O Pawhuska , OK August 30, 2014 Appliance: KitchenAid Direct-Drive Washer KAWS777EZ0 Kitchenaid Washer Kaws777ez0: O ring on dust cap broken. How to replace Inner Cap Seal. I removed the fabric softener dispenser and pulled the dust cap out and replaced the O-Ring. 1 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes