TM 9-2320-209-20-3-1 1. Put containers under engine block drain cock (1) and radiator drain cock (2). Turn two drain cocks to left and let neutralizing solution drain into two containers. 2. When all neutralizing solution has drained out, turn two drain cocks ( 1 and 2) to right to close them. 3. Empty neutralizing solution in approved disposal area. GO TO FRAME 4 TA 083306