Figure 3-72. Exhaust pipe, hood, cap and elbow, removal and installation (engine model D333TA).
Section XIV. COOLING SYSTEM
3-94. General
The sealed-type liquid cooling system consists of:
radiator, fan, fan drive belt, thermostat, water temperature
transmitter (para 3-85), water high temperature switch
water high temperature warning indicator light (para 3-
148), by pass line, and hoses and fittings connecting
radiator to engine and water pump. Coolant is drawn
from bottom of radiator by the water pump, circulated
through engine, and returned to radiator through upper
connections, ,or through the bypass line for recirculation
through system. When engine is operating, air is drawn
through radiator core by the fan to cool and maintain
correct operating temperature of the engine. The six
blade fan is driven by a single belt.
3-95. Radiator, Shroud, and Fan Guard
a. Remove and Installation (Engine Model 687C-18-
ES).
Figure 3-73. Radiator removal points.
3-82
