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.
Great to be able to set channels again, on an old but stoll fine working TV
Text excerpt from page 22 (click to view)
Apply covers (B) into the relevant holes.
Separate parts A, B, C, D as shown in the figure
Place guide (A) on the inside part of the furniture door, in the upper and lower positions as shown in the figure and mark the position of external holes. Having drilled the holes, fix the guide with the screws supplied.