TM 9-2320-209-20-3-2 FRAME 4 1. 2. 3. 4. NOTE Note positions of fittings so that they are put back facing the same way. Using 6-inch pipe wrench, unscrew and take off tee fitting (1) and two elbows (2) from upper air reservoir (3). Using 3/4-inch wrench, unscrew and take off safety valve (4) and two elbows (5) from lower air reservoir (6). Using 6-inch pipe wrench, unscrew and take off elbow (7) from lower air reservoir (6). Using 5/8-inch wrench, unscrew and take off two drain cocks (8). END OF TASK 13-186