TM 5-3805-296-23-4
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DRAINING AND FLUSHING PROCEDURE
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WARNING
DO NOT service cooling system unless engine has been allowed to cool down. This is a
pressurized cooling system and escaping steam or hot coolant will cause serious burns.
DO NOT remove cooling system radiator cap when engine is hot. Allow engine to cool
down. Loosen cap to first stop and let any pressure out of cooling system, then remove
cap. Failure to follow this warning may cause serious burns.
Wear effective eye, hand, and skin protection when handling coolants. Failure to do so
may cause injury to personnel.
Dispose of all fluids according to local regulations and mandates.
Failure to follow these warnings may cause injury to personnel.
1. Remove cooling system cap (Figure 1, Item 2) from upper coolant tank (Figure 1, Item 1).
Figure 1. Cooling System Cap.
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