Vetus VF4 - Cooling System; Fuel System; Supercharging

402102.01 17
Service manual VF4 VF5
Lubrication Values [mm]
P1
P2
H
1
H
2
Valve spring oil
pressure regulation
P1
daN
12.19 ÷ 13.00
H1 35
P2
daN
-
H2 -
Cooling system3.6
Cooling system
Cooling system circuit
To circulation of coolant by means of pump command
from thermostatic switch.
Command coolant pump By means of timing belt
Engine coolant thermostat
Opening tem-
perature
74° ÷ 83°C
Fully open at 101° ÷ 105°C
Valve stroke 12 mm
Pressure for held control system 1.08 bar
Exhaust valve control on the cap of the additional
expansion tank
1.08 bar
Fuel system3.7
Fuel system VF4 VF5
Firing order 1 - 3 - 4 - 2 1 - 2 - 4 - 5 - 3
Distributor type injection pump Bosch EDC 16 C39
Calibration pressure injectors 1800 bar
Rpm minimal engine 800 ± 20 1/min
Rpm maximal engine to empty 5000 ± 20 1/min
Supercharging3.8
Supercharging (Gas exhaust turbocharger) VF4 VF5
Turbocharger to variable geometry Garret GT 17 59V Garret GT 22 56 V
Pressure of the maximum supercharging to 2400/min 1.05 bar