6B - 2 ENGINE COOLING
The cooling system is a pressurized coolant forced circulation
type which consists of water pump, thermostat cooling fan,
radiator and other components. The circulating coolant cools
the lubricating oil in the oil filter and turbocharger.
WATER PUMP
The coolant pump is a centrifugal impeller type and is driven by
V type drive belt.
The water pump is not disassembled type.
THERMOSTAT
The thermostat is a wax pellet type with a juggle valve and is
installed in the thermostat housing.
RADIATOR
The radiator is a tube type with corrugated fins. In order to
raise the boiling point of coolant, the radiator is adjusted
through a valve fitted to the upper tank to a pressure range of
93 - 123 kPa (0.95 - 1.25 kg/cm
2
). The cap fitted to the cylinder
head thermostat housing has only a water supply function.
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