James K Linden , MI September 17, 2021 Appliance: Maytag Gas Dryer MDG7400AWW Maytag Dryer Mdg7400aww: Drum would not turn with a heavy load in it. How to replace Drum Support Roller. I changed the drum support rollers and shafts, put on a new drive belt and installed new Teflon front bearings. Dryer is working fine now it Tumbles a heavy load now with no problems. Do-It-Yourself Rating: Repair Time Estimate: 2+ hours