2320-01-318-9902 EIC:B5C, VOLUME NO. 2">
Turn all drain cocks (2, 4, 12, 13, 15, and 16) clockwise to close.
Check hose connections and radiator filler neck for white, powdery deposits.
(2) Check hose connections for leaks.
(3) Check coolant for discoloration caused by dissolved contaminants.
Flush cooling system if coolant is
Ensure engine is cool before performing maintenance. Failure to do so may cause
rapid cooling and distortion of engine castings.
Fill cooling system with clean water.
Start engine (TM 9-2320-360-10).
Operate engine until water temperature reaches 185-190°F (85-880C).
Drain cooling system (para 6-2b).
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