Thanks to Owner-Manuals.com! This manual was exactly what I needed. As Amana was purchased by Maytag and later by Whirlpool, there was no way to receive it from their websites. I was lucky to find this resource.
A comprehensive Operating and Service Manual. All schematics are complete and easy to read. The PCB drawings and complete parts list are very helpful. I would definitely recommend this manual.
Text excerpt from page 15 (click to view)
Operating Instructions
Inserting the Shelf and Universal Baking Tray
3
Anti-tip device All slide-in units have a small bulge on the left and right. This bulge is an anti-tip device and must always point to the rear of the oven. Tray or universal baking tray: The anti-tip device must point towards the rear of the oven.
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Inserting shelf: Insert the shelf unit with both guide rails pointing upwards. The anti-tip device must point downwards and be positioned to the rear of the oven compartment.
Inserting shelf and tray: When the shelf unit and universal baking tray are used together, carefully place the shelf anti-tip device in the bulges on the tray.