TM 9-2350-267-10Section III MAINTENANCE PROCEDURESHULL MAlNTENANCE PROCEDURESThe following are hull maintenance procedures to be performed by driver and crew.ENGINE COOLING SYSTEMNOTEOverheating is caused by a faulty cool-ing system or low coolant level. Propermaintenance of cooling system will helpprevent overheating.1.2.WARNINGNEVER remove radiator cap on an engine until it has cooled.Lower rpm below cruising speed on an overheated engine until temperature drops tooprating range. If temperature continues to rise, shutdown completely and allow 10minutes for engine to cool before adding coolant.Open radator cap access cover (1). Using arag, slowly unscrew radiator cap (2). Whensteam subsides, remove cap.Start engine and idle. Add coolant to top offiller neck and replace radiator cap.Run engine for 1 minute longer to eliminateany air locks; recheck coolant level and add ifnecessary.Faulty Cooling SystemIf radiator is clogged or dirty, notify Organizational Maintenance.3-21
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