Here is the smaller sized Frigidaire dishwasher that’s only 18″ instead of the normal 24″.
This dishwasher repair manual also covers Tappan, White-Westinghouse, Gibson, Kelvinator and Sears Kenmore(model# starting with 587).
You can order the Repair Manual by clicking the link or the picture.
18″ Frigidaire Dishwasher Repair Manual