4 Operation
Standard equipment
runs at idling speed. Depending on the
vehicle, temperature and altitude, this may
take more than 1 minute.
If the engine stalls, the "Do not start the en-
gine" symbol (11) will appear.
¾ Always leave the ignition switch
ed on until
the symbol goes out (between 15
and 50
seconds depending on the oil te
mperature).
¾ Then try to restart.
Leave a break of at least 1 minute between
each engine start to protect the battery. If the
engine still does not start at the third attempt,
see: Malfunctions, Causes and Remedies.
The charging and engine oil pres
sure symbols
must go out as soon as the engine i
s running
smoothly.
The engine speed is controlled automatically,
depending on the load on the engine.
NOTE
Do not allow the engine to warm up at idling
speed. When under load, drive the truck at a
brisk speed. The engine will quickly reach its
operating temperature.
Switching off the engine
CAUTION
For engines with a turbocharger, the high speed
of the turbocharger shaft (approx. 100,000 rpm at
full load) could cause the shaft bearing to run dry
through lack of lubrication, thus damaging it.
Do not switch off engine under full load, but rather
allow to run on for a few minutes at low speed.
34 Operating Instructions – 393 807 1001 EN – 08/2008
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