Mercedes-Benz Zetros 2020, Руководство по эксплуатации

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X Turn hand pump
:
until it is completely
open.
X
Pump hand pump
:
by moving it up and
down (approx. 100 times) until the overflow
valve audibly opens.
X Press the external engine start/engine stop
switch (
Y
page 174) within approximately
five seconds and start the engine.
X If the engine starts: leave the engine running
at an increased engine speed.
X
If the engine does not start: repeat the pro-
cedure.
X Tighten the fuel tank filler cap.
Bleeding the fuel system with fuel pre-
filter on the chassis frame
H
Environmental note
Dispose of the water-fuel mixture in an envi-
ronmentally responsible manner.
Fuel prefilter on the chassis frame (example: plat-
form truck)
:
Fuel prefilter
;
Drain plug
=
Inspection window
?
Manual fuel pump
A
Bleed screw
Draining the fuel prefilter (using a hand
pump)
i If water has collected in inspection window
=
, drain fuel prefilter
:
before bleeding.
Drain fuel prefilter
:
regularly.
X Place a collector under drain plug
;
.
X
Turn drain plug
;
open.
X
Operate hand pump
?
and collect the fuel/
water mixture.
X Turn drain plug
;
closed.
Bleeding using the hand pump of the fuel
prefilter on the chassis frame
X
Unscrew the fuel tank filler cap.
X
Place the collector underneath fuel prefil-
ter
:
.
X Unscrew bleed screw
A
.
X
Push hand pump
?
repeatedly until the fuel
escaping at bleed screw
A
is free of bub-
bles.
X
Tighten bleed screw
A
.
i If there was no fuel in the fuel tank, press
hand pump
?
again until there is noticea-
ble resistance.
In addition, bleed the main filter with the
hand pump (
Y
page 175).
X
Tighten the fuel tank filler cap.
X
Press and hold the Start/Stop button as far
as it will go, or turn the key to the start posi-
tion in the ignition lock and hold it. Do not
depress the accelerator pedal whilst doing
so.
i After 20 seconds, you must interrupt the
starting procedure and, if necessary, repeat
it after approximately one minute. After
three starting procedures wait for approx-
imately three minutes.
X
Once the engine starts normally, release the
Start/Stop button or the key in the ignition
lock and depress the accelerator pedal sev-
eral times.
The fuel system is completely bled.
176
Engine
Breakdown assistance