Engine Iveco C10/C13/C78/Cursor 13/Cursor 78. Manual — part 42
Figure 19
99248
A/B
outlet/inlet for vehicle heater
C
inlet from the expansion vessel
D/E
outlet from the radiator and the thermostat body for expansion vessel inlet
Water flowing out of the thermostat
Water circulating in the engine
Water flowing into the pump
18
SECTION 1 - GENERAL SPECIFICATIONS
60631
Figure 20
Figure 21
Figure 22
Thermostat
The water pump is composed of: impeller, bearing, seal and
driving pulley.
Check that the pump body has no cracks or water
leakage; if it does, replace the entire water pump.
CROSS-SECTION OF THE WATER PUMP
View of thermostat operation
60747
Water circulating in the engine
TO THE
EXPANSION
TUB
FROM
THE ENGINE
TO THE
BY PASS
Water leaving the thermostat
60748
TO THE
RADIATOR
TO THE
EXPANSION
TUB
TO THE
BY PASS
FROM
THE ENGINE
Check the thermostat works properly; replace it if in doubt.
Temperature of start of travel 84
± 2 °C.
Minimum travel 15 mm at 94
± 2 °C.
TO THE
RADIATOR
Water pump
NOTE
SECTION 1 - GENERAL SPECIFICATIONS
19
Figure 23
TURBOCHARGING
The turbocharging system consists of:
- air filter;
- Wastegate turbocharger.
A = Inlet
S = Exhaust
99251
HOLSET HX 50W turbocompressor
The turbocompressor is a turbocompressor with a return
valve.
It is mainly composed by:
- a central unit where a shaft is positioned supported by
bushings, a turbine rotor and a compressor rotor are
mounted on each end;
- a turbine unit and a compressor unit mounted at the end
of the central unit;
- return valve applied on the turbine unit. It divides burnt
gases outlet, sending one part directly to the outlet tube
when the boost of the compressor reaches the setting
value.
71766
20
SECTION 1 - GENERAL SPECIFICATIONS
SECTION 2 - FUEL
1
SECTION 2
Fuel
Page
FUEL FEED
3
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
FUEL SUPPLY DIAGRAM (ALL TYPES)
4
. . . . . . .
- Overpressure valve
5
. . . . . . . . . . . . . . . . . . . . .
- Fuel pump
5
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
- Injector-pump
5
. . . . . . . . . . . . . . . . . . . . . . . . .
- Injector Phases
6
. . . . . . . . . . . . . . . . . . . . . . . . .
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