TM 9-2320-209-20-3-1 CAUTION Do not use more than 10 psi of air pressure. High air pressure may damage radiator. 1. Put container under engine block drain cock (1). Turn drain cock to left to open it. 2. Using flushing gun (2) , turn on air supply and slowly increase air pressure. Let air pressure push out all water. 3. Do frames 6 and 7 again until water from drain cock (1) comes out clean. 4. Using screwdriver, loosen screws (3) and take out flushing gun (2) with hose (4). 5. Turn drain cock (1) to right to close it. GO TO FRAME 8 TA 083308 6-60