TM 9-2320-209-20-3-1 f. Filling. FRAME 1 1. Fill engine cooling system with coolant to suit local temperature conditions. Refer to table 6-1. 2. Put on filler cap (1) and press down and turn it all the way to the right. 3. Start engine and let it run until engine temperature is 160°F to 180°F. Refer to TM 9-2320-209-10. GO TO FRAME 2 6-73