ARMY TM 9-6115-670-14&P
4-46
d. Open drain valve (4, Figure 4-6 (sheet 2)) on engine block (3) and allow remaining coolant to drain
completely.
e. Flush radiator with clean water to remove rust buildup.
f. Remove radiator overflow tank (para 4.28.) and radiator overflow hose (para 4.24.).
g. Empty coolant from radiator overflow tank and radiator overflow hose and rinse with clean water.
h. Fill radiator overflow tank with clean water and proper antifreeze mix to halfway between "full" and
"low" marks (para 3.8.).
i. Install radiator overflow tank (para 4.28.) and radiator overflow hose (para 4.24.).
j. Close radiator drain valve (1) and engine drain valve (4).
k. Fill radiator with coolant slowly until full.
l. Install radiator cap (para 3.7.).
Figure 4-6. Radiator (Sheet 1 of 3)
