TM 9-2320-209-20-3-2 FRAME 3 1. Slide two air reservoirs (1) one inch toward rear of truck. CAUTION Do not overtighten coupling nuts. Screw on and finger tighten coupling nuts on fittings, then using wrenches, tighten nuts 1/8 turn. 2. Using 13/16-inch wrench, screw on and tighten coupling nut (2). 3. Using 7/8-inch wrench, screw on and tighten coupling nut (3). 4. Slide two air reservoirs (1) one inch toward front of truck. GO TO FRAME 4 13-199