TM 5-3805-261-2
PRINCIPLES 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.
Exhaust Pipe. 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.
Thermostat Housing (Figure 1-11). Mounted on cylinder head at left front of engine. Opens at 175 degrees
F. Housing also serves as coolant hose connection.
Figure 1-11
c.
Water Pump. Mounted on forward left lower section of engine. Gear driven by engine. Propels coolant
through the cooling system.
1-25
