Part of a serial trade article on adjusting and repairing cotton looms with multiple-box (drop-box) motions. This installment covers lining up the 4-and-1 box motion, including the eccentric, box crank, adjuster and box lever, along with wear problems in pins, star wheels and castings. It then explains how to box the colors for gingham filling patterns, with sample forms listing picks, colors and box orders for 4-box and 3-box patterns.