Lala F Monroe , LA November 21, 2015 Appliance: Maytag Dishwasher MDB8600AWB Maytag Dishwasher Mdb8600awb: Middle rack had broken rollers on both sides. How to replace Rack Adjuster Assembly. Ordered left and right replacement arms with rollers and 2 end rail stops. Removed broked parts and installed the new parts by myself in less than 30 minutes! Super easy! 2 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes