Sherwin E Sapulpa , OK March 18, 2023 Appliance: General Electric Dishwasher PDW7880J10SS Ge Dishwasher Pdw7880j10ss: The middle spray arm would not rotate or clean dishes. How to replace Center Wash Arm Assembly. We replaced the Center Wash Arm and some Rollers for the lower dishrack. Easy fix ! Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes