International VT 275 V6, Руководство пользователя

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Front Cover Flow
• Coolant is drawn into the water inlet by the
water pump. Coolant is discharged from
the pump to the crankcase coolant jackets.
Coolant is also routed from the front cover
through a crankcase passage to the oil
cooler cover.
• Return coolant from the crankcase coolant
jackets is directed to the thermostat by the
front cover. If the thermostat is open,
coolant flows to the radiator to be cooled.
If the thermostat is closed, coolant is
returned to the water pump via a bypass
circuit in the front cover.
Crankcase Flow
• Coolant is directed out of the front cover to
the crankcase through three passages.
Two of the passages route coolant through
the crankcase water jackets to cool the
cylinders and cylinder heads. The third
passage routes coolant to the oil cooler via
a passage in the crankcase.
• There are three passages for coolant
return to the crankcase. Two receive
coolant from the crankcase and one
receives coolant from the intake manifold.
Coolant Flow/Oil Cooler
• Engine coolant is routed to the oil cooler
cover via a passage in the crankcase.
• The cooler cover directs the coolant
through the oil cooler and then into the
EGR cooler via the intake manifold.
• The oil cooler bundle is sealed at the cover
with two O-rings at both the inlet and
outlet pipe areas. To prevent mixing of oil
and coolant, the area between the two
seals is vented through a weep hole on the
cooler cover. This allows leakage past
either seal to weep out of the cooler cover.
COOLING SYSTEM
International ® VT 275 V6 Engine
FFR RO ON NTT C CO OVVEER R
FFR RO ON NTT C CO OVVEER R
H HEEAATTEER R
H HEEAATTEER R
S SU UP PP PLLYY
S SU UP PP PLLYY
TTO O R RAAD DIIAATTO OR R
TTO O R RAAD DIIAATTO OR R
H HEEAATTEER R
H HEEAATTEER R
R REETTU UR RN N
R REETTU UR RN N
FFR RO OM M R RAAD DIIAATTO OR R
FFR RO OM M R RAAD DIIAATTO OR R
FFR RO OM M TTH HEE IIN NTTAAK KEE M MAAN NIIFFO OLLD D
FFR RO OM M TTH HEE IIN NTTAAK KEE M MAAN NIIFFO OLLD D
TTO O IIN NTTAAK KEE
TTO O IIN NTTAAK KEE
M MAAN NIIFFO OLLD D
M MAAN NIIFFO OLLD D
O OIILL C CO OO OLLEER R
O OIILL C CO OO OLLEER R
FFR RO OM M TTH HEE IIN NTTAAK KEE M MAAN NIIFFO OLLD D
FFR RO OM M TTH HEE IIN NTTAAK KEE M MAAN NIIFFO OLLD D