TM 5-3805-261-23-1
THEORY OF OPERATION - CONTINUED
0003 00
EXHAUST SYSTEM
0003 00
1.
Muffler. Muffler is mounted on top of engine at turbocharger outlet and projects upward through hood. It reduces
engine exhaust noise. Dust ejector line from air cleaner is attached to bottom of muffler.
2.
Exhaust Pipe. Pipe is attached to muffler. It projects upward to carry exhaust fumes away from the machine.
MUFFLER
397-011
COOLING SYSTEM
0003 00
1.
Radiator. Radiator is mounted at rear of machine. It transfers heat from coolant to air.
2.
Thermostat Housing. Housing is mounted on cylin-
der head at left front of engine. Thermostat (water
temperature regulator) inside housing opens at 175F
THERMOSTAT
(79C). Housing also serves as coolant hose connec-
HOUSING
tion.
Water Pump. Pump is mounted on forward left-lower
3.
section of engine, and is gear driven by engine. Water
pump propels coolant through the cooling system.
WATER
PUMP
397-012
0003 00-6
