Description Viking Husqvarna Lena Sewing Machine Instruction Manual. Includes: Threading needle. Bobbin winding. Thread tension adjustment. Changing the needle. Lapped zipper. Needle positions. Balanced buttonholes. Reinforced straight stitch. Lowering feed teeth. Spool pin. Take-up lever. Free-arm. Stitch width dial. Thread cutter. Oiling. Cleaning. Much more! 30 page instruction/owners manual. Viking Husqvarna Lena Sewing Machine Instruction Manual.