COOLING SYSTEM

TM-5-3805-263-14P-2 Grader Heavy Road Motorized Type I Nonsectionalized Type II Sectionalized Manual
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COOLING SYSTEM SYSTEMS OPERATION TM 5-3805-263-1469-2 COOLING SYSTEM Water pump (9) is on the left front side of the engine. It is gear driven by the timing gears. Cool- ant from the bottom of radiator (2) goes to the water pump inlet (8). The rotation of the impeller in water pump (9) pushes the coolant through the system. The coolant flow from water pump (9) goes through engine oil cooler (5). goes through one side on the way into cooler (12). At the bottom of cooler (12) the flow turns and goes back up through the other side and into bonnet (11) again. Then bonnet (11) sends the coolant into cylin- der block (7). The engine has an additional oil cooler (12). A bonnet (11) is on the engine oil cooler (5). This bon- net (11) sends the coolant flow through the other cooler (12) which is for the transmission. The flow Inside cylinder block (7) the coolant goes around cylinder liners (13) and up through the water direc- 1-18

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