18
July 2004 / WHISPER 16 ULTRA Mobile / EN
OPERATION
Starting the generator:
By pushing the start button briefly the electric system
is activated and the starting procedure will begin. (By
pushing the stop button the system is deactivated).
The first time starting up or after running out of fuel it
could be necessary to prime the fuel system. (Refer
to bleeding fuel system instructions in the
maintenance chapter).
A restart protection prevents for starting the engine while
already running which could cause damage.
Checks once the generator is in operation:
1
Check for abnormal noise or vibration.
2
Check the voltage.
3
Power source selector switch (off/shore power/gene-
rator power). Switch to power source generator. If a
MASTERSWITCH is installed, this is operating auto-
matically.
Before loading the generating set up to maximum,
have it run warm. The first 50 hours of running the
continuous load should be restricted to 70 % of maxi-
mum load. Running for long periods at no load or light
load in the first 50 hours can cause cylinder glazing
and high oil consumption.
Engine load during longer operation:
Ensure that the generating set is not overloaded.
Overloading occurs when the electrical load (demand) is
so high that the generator cannot be turned around
properly by the diesel engine. Overloading causes the
engine to rum rough, while using oil and excessive fuel
and producing soot by the exhaust. The engine can even
stop.
The generator should therefore only be loaded at the
maximum rated power for short periods (2-3 hours) only!
The high peak current is meant for the ability to start
electrical devices, that need a high current for starting
especially electric motors and compressors (from a still
stand state).
In order to prolong the generating set’s life expectance,
the nominal electrical demand on the system should be
about 70% or the rated generating set’s maximum load.
Please note this when switching on your electrical
devices!
Nevertheless, the Whisper is designed so as not to
overheat, even under extreme conditions.
Do not run the generator for very long periods at no load
or at very low load. When this is necessary do load the
generator at least one hour in 10 hours for minimum
70%. Long term running at too low load will cause the
exhaust to be choked by carbon.
Never remove the battery while the engine
is running, or any electrical cable while the
battery is connected in the circuit. Only
disconnect the battery with the engine
stopped and all switches in "OFF" position.
Stopping the generating set:
1
Avoid stopping of the generator abruptly after a long
period of operation at high load! Doing so, you avoid
unnecessary thermal load to your generating set!
Act as follows:
Prior to switching off the generating set, decrease the
generator load (i.e. turn off most electrical users) and
let the generator run at low load for approx. 5 minutes
to allow the engine to get properly cool ( the influent
sea water must flow through the system in order to
cool the engine).
If the generator is operating in a hot environment and
you do not act as given above, the excessive heat in
the engine can trip the "high temp" alarms. In that
case, a restart of the engine is not possible for some
time. It is also recommended to switch off electrical
users prior to stopping the generator. Because of the
voltage drop that occurs as the engine comes to a
halt. Such voltage drops may cause damage to elec-
tric motors, compressors (in refrigerators or air condi-
tioners etc.).
2
Press the STOP button.
3
Close the inlet sea water cock.
4
Switch to an other 230V power source, if available. If
a Masterswitch is installed, this is done automatically.
If the engine is not running and failure and
charging LED is blinking, reset by stop but-
ton, otherwise it will drain the start battery.
