How To Access The Heater Duct
Here is a parts breakdown
Replacement parts for MAYTAG MDE9700AYW DRYER- ELE | AppliancePartsPros.com
The following should answer your question.
16025911 Maytag 27 inch Dryer Service Manual - ApplianceDigest.com
You have to join the site to download the manual but it is free and this is a very good site for manuals and other info for the appliance repair DIYer.