TM 55-2815-574-24
0133
CLEANING AND FLUSHING COOLING SYSTEM - Continued
Figure 3. Coolant Flush Drain Cocks.
NOTE
Repeat Steps 3 through 10, as necessary, until contaminants are removed.
11.
Fill cooling system with clean water, through heat exchanger fill neck (Figure 4, Item 10), until water level is
1 in. (2.5 cm) below fill neck (Figure 4, Item 10).
12.
Install pressure control cap (Figure 4, Item 1) by pressing down and rotating clockwise.
13.
Start engine (TM 55-1925-205-10).
14.
After engine reaches normal operating temperature, run engine for 5 minutes.
15.
Shut down engine (TM 55-1925-205-10).