TM 9-2320-269-20-1
COOLING SYSTEM
GENERAL
The cooling system is a closed-type system and consists of a radiator, surge tank, hoses, water pump, fan, two
thermostats, and an oil cooler. Coolant is pumped through the engine and oil cooler to absorb heat and is returned to the
radiator where it is cooled by air forced through the radiator. The radiator also serves as a cooler for the transmission oil
and coolant which passes through the air compressor to the surge tank, then back to the radiator.
RADIATOR
The radiator is a vertical flow soldered metal construction. It consists of an upper tank to collect coolant returning from the
engine. A center core of tubes surrounded by fins absorb heat from the coolant as it flows to the lower tank where
transmission oil passes through a separate coil for cooling.
TA228532
1-23
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