Starting And Stopping The Engine - Mercedes-Benz OM 470 Euro VI Operating Instructions Manual

Example: fuel prefilter on the chassis frame
Function
1 Fuel prefilter
2 Drain plug
3 Inspection window
4 Manual fuel pump
5 Bleed screw
If water has collected in inspection window =,
drain fuel prefilter : on the chassis frame.
Drain fuel prefilter : on the chassis frame when
necessary; if there is a danger of frost, do this on
a regular basis.
Draining the fuel prefilter on the chassis frame
Place a collecting pan under drain plug ;
R
Turn drain plug ; open
R
Press manual fuel pump ? and collect the
R
fuel/water mixture
Turn drain plug ; closed
R
®
AdBlue /Checking DEF supply
For checking the AdBlue
®
AdBlue /DEF gauge, see the vehicle operating
instructions. Refuel if necessary (

Starting and stopping the engine

Starting the engine
G
WARNING
Combustion engines emit poisonous exhaust
gases such as carbon monoxide. Inhaling
Starting and stopping the engine
Page
®
/DEF supply on the
page 38).
Y
these exhaust gases leads to poisoning. There
is a risk of fatal injury. Therefore never leave
the engine running in enclosed spaces with-
out sufficient ventilation.
If the oil pressure in the engine is too low, a
warning light lights up on the instrument
panel. The warning buzzer also sounds.
The operating safety of the engine is jeopar-
dised. Switch off the engine immediately.
Do not pull away as soon as the engine
starts. Let the engine run in neutral for a short
time after starting, until there is sufficient
engine oil pressure. Do not drive at high
engine speeds when the engine is cold.
This will prevent excessive wear and possible
engine failure.
Warm up the engine quickly by driving at mod-
erate engine speeds. Depending on the outside
temperature, the engine will reach its operating
temperature after approximately 10 to
20 minutes ( page 63).
Y
You can utilise the full engine power output once
the engine has reached its normal operating
temperature.
The display format for indicator and warning
lights is vehicle-specific. Please also observe
the information in the additional operating
instructions. These vehicle-specific operating
instructions are provided by the vehicle manu-
facturer.
Start the engine using the key in the ignition
X
lock or the external engine start/engine stop
button on the engine. Do not depress the
accelerator or clutch pedal while doing so.
For additional safety, the electronic engine man-
agement system is equipped with a function that
only allows the engine to be started when the
transmission is in neutral (vehicle-specific).
Starting the engine with the key
After starting, let the engine run at idling
speed until the oil pressure is displayed.
Switch the engine off after about five seconds
if no oil pressure is displayed. Find the cause.
The operating safety of the engine is in dan-
ger.
23