TM 9-2320-209-20-3-4 FRAME 5 1. Using 7/8-inch wrench, loosen two adjustment nuts (1) on arms (2). Set arm length for right mirror height and tighten nuts. 2. Using 7/16-inch wrench, tighten two nuts (3). 3. From driver’s position, swing mirror assembly toward front or rear of truck. When rear view is right, tighten two nuts (4) using 9/16-inch wrench. 4. Using 7/16-inch wrench, tighten mirror nut (5). END OF TASK 21-23