TM 9-2350-261-10CAUTIONAdding coolant to an overheatedengine could damage engine. Donotaddcoolant to anoverheated engine unless engineis running.NOTEApprovedantifreezecoolantonly may be added to radiator.In an emergency, water may beadded if specified coolant is notavailable.4. Remove radiator cap and checklevel of coolant. If coolant is hot,check that coolant reaches HOTFILL LEVEL in filler neck. Ifcoolant is cold, check that coolantreaches COLD FILL LEVEL infiller neck. Add coolant asneeded.5. If water was added, ask unitmaintenance to check antifreeze6.Install radiator cap.7.Close combat cover. Securecombat cover closed withcombat cover lock handle.NOTEDo step 7.1 for M577A2 andM1068 only.7.1. Rotate combat cover overradiator cap. Secure combatcover closed with combat coverlock handle.protection level.3-44Change 3
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