Component Description For Fuel Injectors - Mercedes-Benz OM 471 Introduction Into Service Manual

System components
GF07.03>W>6120H
ENGINES 471.9 in MODEL 963
Location
Y608 Cylinder 1 fuel injector
Y609 Cylinder 2 fuel injector
Y610 Cylinder 3 fuel injector
Y611 Cylinder 4 fuel injector
Y612 Cylinder 5 fuel injector
Y613 Cylinder 6 fuel injector
The fuel injectors for cylinder 1 to 6 (Y608 to Y613) are fastened by
means of clamping pieces at the cylinder head and positioned
centrally between the valves of the respective cylinder.
Task
The purpose of the fuel injectors is to inject fuel at high pressure
into the respective cylinders.
The injection timing point, injection period and the injection
variants (e.g. with or without pressure boosting) are established by
the engine management (MCM) control unit (A4).
Design
Shown on cylinder 1 fuel injector (Y608)
1 Electrical connection
2 Coil
3 High pressure feed
4 Pressure booster
5 Coil
6 Spring
7 Nozzle needle
8 Check valve
9 Return spring
Y608 Cylinder 1 fuel injector
Y608 y1 Cylinder 1 pressure booster
solenoid valve
Y608 y2 Cylinder 1 nozzle needle
solenoid valve
170

Component description for fuel injectors

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3.8.11
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