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 25 (click to view)
Maintenance
Defrosting
Defrosting is automatic in this model.
Regular cleaning
Clean the equipment regularly. Don't use detergents, abrasive or strongly odorous cleaners, waxy polishing agents or disinfectants or alkoholic products for cleaning the equipment. Before cleaning pull out the wall plug of the equipment from the outlet.
Internal cleaning
Clean the internal parts of the equipment and the accessories with warm water and sodium bicarbonate (5 ml to 0.5 litre of water). Rinse and dry everything thoroughly. Clean the door seal profile with clean water.
External cleaning
Clean the external parts of the equipment with warm water and sodium bicarbonate (5 ml to 0.5 litre of water). It is recommended to remove the dust and dirt deposited on the back side of the equipment and on the condenser once or twice a year, and to clean the evaporation tray on top of the compressor. After cleaning, reconnect the equipment to the mains supply.