
Pay close attention to correct orientation of left and right hinges. Tighten securely. Insert tilt adjustment rods (F) into threaded barrels on each side frame. Screw adjustment knobs (E) into threaded barrels on each side frame. Set adjustment rods so that connecting brackets are about 2" above side frames for the time being with rods facing straight up and down and rear mounting brackets facing out, as shown in diagram. Tighten knobs securely. Base frame assembly is now complete. Set aside.