Fuel Prefilter With Water Separator Important Safety Notes - Mercedes-Benz Unimog Operating Instructions Manual

Engine
320
Replacing the fuel filter
G
WARNING
Certain components in the engine compart-
ment could be very hot, e.g. the engine, the
radiator and parts of the exhaust system.
There is a risk of injury when accessing the
engine compartment.
As far as possible, allow the engine to cool
down and only touch the components descri-
bed in the following.
G
WARNING
There are moving components in the engine
compartment. Certain components may con-
tinue 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 surround-
R
ing 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.
G
WARNING
Fuel is highly flammable. Improper handing of
fuel creates a risk of fire and explosion.
Avoid fire, naked flames, smoking and creat-
ing sparks under all circumstances. Switch off
the ignition and auxiliary heating before car-
rying out work to the fuel system. Always wear
protective gloves.
H
Environmental note
Dispose of the water-fuel mixture in an envi-
ronmentally responsible manner.
H
Environmental note
Dispose of used filter elements, seals and fuel
residue in accordance with relevant local reg-
ulations.
X
Tilt the cab forwards (
X
Unscrew cap : from filter housing ;.
X
Remove cap : with filter element ?.
X
Unclip filter element ? from cap :.
X
Clean filter housing ; and cap :.
X
Replace sealing ring =.
X
Clip new filter element ? into cap :.
X
Insert cap : with filter element ? in filter
housing ;.
X
Tighten cap :. Tightening torque approx-
imately 25 Nm.
X
Bleed the fuel system (
X
Tilt the cab back into the driving position
( Y page 314).
Draining and replacing the fuel prefil-
ter with water separator
Important safety notes
G
WARNING
Fuel is highly flammable. Improper handing of
fuel creates a risk of fire and explosion.
Y page 314).
Y
page 322).