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Fav 900
Engine / Injection Pump
EDC - Description
A
General
Fav 900 23/3001 and up.
10/2000
2710
000001
A
a
3/6
Capitel
Docu-No.
Index
Date
Version
Page
EDC - Description
PM-Picturemodule
Text-module
Text-module
Vane type fuel lifting pump (1)
aspirates and conveys fuel by each turn to the radial piston pump in a nearly constant flow.
This generates the standby cavity pressure " Pump internal pressure" wich is depending on engine
speed.
Text-module
Pressure control valve (2)
Controls the Pump internal pressure. Opens in case of over pressure and shuts by "low pressure".
Text-module
Overflow valve (3)
Releases a defined fuel flow toward fuel tank in case of reaching a defined Pump internal pressure.
Low pressure circuit - Components of VP 44
PMTAB_Picture
1
Vane type fuel lifting pump (rotated by 90
°
)
2
Pressure control valve (20 bar)
3
Overflow valve
Pump internal pressure ( bar )
n Engine ( Upm )
approx. 14 - 15
1200
const. 20
>1600