Treasures C Houston , TX March 10, 2017 Appliance: Maytag Electric Dryer MDE7400AYW Maytag Dryer Mde7400ayw: Maytag mde7400ayw dryer. How to replace Dryer Drum Support Roller. I followed the video you have exactly and it worked out great. Thanks for sharing the how to videos! Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes