6. Cooling system
117
General information
General Information
This engine is water-cooled. It uses coolant to cool the
engine by absorbing heat from the combustion chamber
and the engine oil and then releases the heat, allowing
for normal engine operation.
In this cooling system, coolant provided by the coolant
pump flows into the oil cooler through the coolant pipe
to absorb oil heat and passes through the coolant jacket
of the cylinder block and the cooling path of the cylinder
head to absorb the combustion heat.
Coolant which absorbed the oil and combustion heat
flows into the water temperature controller through the
coolant pipe. If the coolant temperature is lower than the
valve-opening temperature of the water temperature
controller, the coolant flows into the coolant pump. If
higher, it flows into the radiator. The radiator releases the
heat absorbed from the coolant and sends the coolant to
the coolant pump again.
DV2213098A
Specifications
Detail of Jacket Heater Port
M30 x 1.5
To Jacket Heater
Detail of Jacket Heater Port
M30 x 1.5
From Jacket Heater
OIL C OOLER
JACKET HEATER
CYLINDER BLOCK
WT
AIR VENT
JACKET WATER PUMP
BY PASS
THERMOSTAT
OPENING Temperture 71 C ~ 85 C
AIR FLOW
JACKET WATER RADIATOR
FILER C ap
Positive Pressure : 49 kPa
Negative Pressure : 7.8 kPa
Item
DP158L
Remarks
DP158LCS DP158LCF DP158LDS DP158LDF10
Cooling System
Cooling method Fresh water forced circulation
Coolant capac-
ity (L)
Engine only Approx. 20
With radiator Approx. 79 (Air on 43°C) / Approx 90 (Air on 52°C)
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