Engine - Mercedes-Benz Zetros 2020 Operating Instructions Manual

continue to move or suddenly move again
even after the ignition has been switched
off, e.g. the radiator fan. There is a risk of
injury.
If you have to carry out work in the engine
compartment:
switch off the ignition
R
never touch the dangerous areas sur-
R
rounding moving components, e.g. the
rotation area of the fan
remove jewellery and watches
R
keep items of clothing and hair, for exam-
R
ple, away from moving parts.
X
Turn the key to the drive position in the igni-
tion lock.
X
Shift into neutral.
X
Y
Open the bonnet (
External engine start/engine stop
engine from 260 kW
Starting the engine
X
Press external engine start/engine stop :
until the engine starts.
page 156).
Starting the engine and increasing the
engine speed
X
Press and hold external engine start/engine
stop :.
After approximately 3 seconds, the engine
speed increases.
X
Hold down external engine start/engine
stop : until the desired engine speed is
achieved.
After external engine start/engine stop :
has been released, the engine continues to
run at the speed currently set.
The engine speed can be increased up to
the limiting speed.
Stopping the engine
X
Press external engine start/engine stop :
again.
Bleeding the fuel system
Bleeding the fuel system without fuel
prefilter on the chassis
! Do not bleed the fuel system with several
starting procedures. You could otherwise
damage the starter motor.
X
Apply the parking brake.
X
Switch the ignition lock to the drive posi-
tion.
X
Shift to neutral.
X
Unscrew the fuel tank filler cap.
When the fuel pressure has been built up using
hand pump : on the main filter, you must
start the engine within approximately five sec-
onds. Otherwise, the fuel pressure decreases
and you will have to repeat the procedure.

Engine

175
Z