TM 5-3805-261-2PRINCIPLES OF OPERATION.1-16.EXHAUST SYSTEM.a.Muffler(Figure 1-10). Mounted on top of engine at turbocharger outlet. Reduces engine exhaust noise.Projects upward through hood. Dust ejector line from air cleaner is attached to bottom.Figure 1-10.b.ExhaustPipe. Attached to muffler. Projects upward to carry exhaust fumes away from the vehicle.1-17.COOLING SYSTEM.a.Radiator. Mounted at rear of 130G Grader. Transfers heat from coolant to air.b.ThermostatHousing(Figure 1-11). Mounted on cylinder head at left front of engine. Opens at 175 degreesF. Housing also serves as coolant hose connection.Figure 1-11c.WaterPump. Mounted on forward left lower section of engine. Gear driven by engine. Propels coolantthrough the cooling system.1-25
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