38
Superior
Technology
The engine control unit monitors the change in
the valve position with the aid of the modulating
piston movement sender.
If there is insufficient air in the system, the
injection volume is limited by the smoke
characteristic map.
Engine electronic systems
Fuel volume control
Following evaluation of the received sensor
signals, the correct injection volume is
determined in the engine control unit and an
electrical signal is sent to the metering adjuster in
the injection pump. The metering adjuster varies
the position of the control slide valve
corresponding to the electrical signal.
Overview of sensors and actuators
MSSP_001_033
Throttle lever position sender
Coolant temperature
sender
Engine speed sender
MDC control unit
Metering adjuster
Modulating piston
movement sender
Fuel temperature
sender
Intake manifold
pressure
and intake air
temperature sender
Summary of Contents for SDI 55-5
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