BASIC SEWING MACHINE OPERATION FLAT BED EXTENSION TABLE * Sewing machine cover converts to a flat bed extension table. 1. Slide the sewing machine cover to the left and off the ma- chine. 2. With the cutout section of the cover up, lift the machine a little bit and slide the cover, under the sewing machine along the grooves. 11 Free arm T 1. 2. Free arm