TM 9-2320-289-201-18.COOLING SYSTEM.a. Cooling System. Engine is liquid-cooled by means of coolant flow through radiator andhoses.b. Thermostat. Located in coolant crossover pipe.Designed to open and close atpredetermined temperatures to supply correct engine operating temperature.c. Engine and Transmission Lubricating Oils.Temperature-controlled in separatecoolers of radiator.d. Coolant Flow. The following illustration shows flow of coolant from radiator to engine.1-19.ELECTRICAL SYSTEM.a. 28 v Charging System. Includes alternators and regulators to maintain a proper state ofcharge on both batteries.b. Standard System. 100 amp, 12/24 v electrical system. includes two 12 v batteries(Delco 1200 or military-type 6TN) in series and two 100 amp alternators (Delco 27-S1).c. M1010 Ambulance and Selected M1028 System. 200 amp, 12/24 v system, using 2batteries (Delco 1200 or military-type 6TN) and 2 Leece/Neville alternators,d. Starting Motor. Heavy-duty 24 v 27MT starting motor, with increased strength pinionand ring gear teeth.TA496221-14
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