Bryan C Middleton , MA March 22, 2019 Appliance: General Electric Dishwasher PDW7880G00SS Ge Dishwasher Pdw7880g00ss: Middle washing bar was hanging free and not operating. How to replace Retainer Comb. Ordered parts from AppliancePartsPros and got a wrench to repair the arm. The hardest part of the repair was opening the plastic bags that held the parts. The repair took about 30 minutes from start finish. Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes