Iveco Marine Diesel Engines, Installation Handbook

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Reverser selector lever drive
The drive systems are similar to those discussed above, and in many cases the board control, known as
“single lever” performs two functions.
Besides, in the case of the single reverse lever, it is important to control that the cable stroke allows the
selector complete displacement to guarantee a complete coupling. In case of a faulty seal, slip, over-
heating and clutch early erosion will appear, with consequences on the entire reverser.
The drive system must be reliable and safe to avoid malfunctions that would cause a dangerous situa-
tion during sailing and manoeuvre.
Engine stop
It is well known among the engines equipped with a conventional mechanical pump, the electric stop
system made out of a fuel interceptor electrically-operated valve directly fixed to the injection pump
as for rotary pumps, or stop carried out by an electromagnetic actuator which can work on the stop
lever as for the in-line injection pump.
In the case of engines equipped with EDC electronic control system, the engine stop is caused by the
fuel injection rejection generated by the electronic control unit, when the enabling signal is disengaged.
The engine cannot be stopped with a battery circuit breaker to guarantee the engine control method
operating conditions.
IVECO engines, fitted with an electronic injection system, have been designed with the possibility of
using a remote control at the engine room to carry out tests and maintenance operations.
The shutdown action may be caused by excitation or de-excitation, which depends on the electric
equipment and on the safety regulations required for the engine use.
If an alternative system is used, make sure that the control allows the selector complete displacement
and that the engine stops.
MARCH 2004 CONTROLS
11.108
MARINE ENGINES INSTALLATION