Let the engine idle for approximately two
minutes before switching off the engine if:
R
the coolant temperature is very high (over
90 †).
R
the engine
has been operated at full output.
X
To switch off the engine: turn the vehicle
key in the ignition lock back to the stop at
position u.
X
Press the start/stop button on the engine
or on the engine shutoff device on the
equipment.
X
Safeguard the vehicle/equipment against
rolling away.
!
Stop the engine immediately if:
R
the oil pressure falls or fluctuates signif-
icantly.
R
the power output or engine speed
decreases and the position of the posi-
tion sensor (accelerator) remains con-
stant.
R
heavy smoke is emitted from the
exhaust.
R
the coolant or engine oil temperature
rises steeply.
R
abnormal noises suddenly come from
the engine or exhaust gas turbocharger.
i
When you switch off the engine, Blue-
Tec
®
exhaust gas aftertreatment automat-
ically
flushes
the exhaust system with fresh
air. Residues of AdBlue
®
/DEF on the
metering unit or the injection nozzle might
otherwise impair the function of BlueTec
®
exhaust gas aftertreatment. Depending on
the engine's previous operating load, Blue-
Tec
®
exhaust gas aftertreatment may flush
the exhaust system several times.
When BlueTec
®
exhaust gas aftertreatment
flushes the exhaust system, an air valve is
activated. You may then hear a hissing
sound. This hissing sound does not indicate
a leak in the compressed-air system.
Continuous brake
The airbrake
and the constantly open throttle
valves are employed as continuous brakes.
G
WARNING
Do not activate the continuous brake (engine
brake/retarder) on slippery road surfaces.
The wheels may otherwise become locked
and the vehicle could skid.
You can utilise the engine's braking effect,
particularly
on
long downhill gradients, if you:
R
activate the continuous brake
R
shift to a lower gear in good time
Driving tips
Running-in
Equipment
Observe the equipment manufacturer's run-
ning-in notes.
Vehicles
The running-in period of the engine has a sig-
nificant effect on the vehicle, especially for
the:
R
service life
R
operating reliability
R
economy
Observe the following notes during the run-
ning-in period up to 2000 km (30 operating
hours):
R
avoid subjecting the engine to full load.
R
run-in the engine with care using differing
speeds and engine revs.
R
avoid high engine revs.
R
do not drive at more than ¾ of the maxi-
mum road speed for each gear.
R
change gear in good time.
R
do not shift down to brake the vehicle.
R
in the case of vehicles with automatic
transmission, do not press the accelerator
40
Driving tips
Driving mode/working mode
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