Donald N Peabody , MA January 06, 2015 Appliance: Maytag Gas Dryer MDG7400AWW Maytag Dryer Mdg7400aww: Dryer difficult to turn on. How to replace Timer. 1. Googled AppliancePartsPros! 2. Read some of the posts related to my problem. 3. Determined it was the timer. 4. Ordered Timer on 01/01/15, received on 01/03/15! 5. Followed the video conveniently located on the order form. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes