Safety precautions
Damage to the engine can also lead to per-
sonal injury.
In order to avoid engine damage,
the following safety precautions must be
adhered to.
Safety precautions
R
Only start
the engine when the batteries
are firmly attached.
R
Do not disconnect the batteries when the
engine is running.
R
Do not use a rapid charger to start the
engine.
R
Only perform the jump-starting proce-
dure with separate batteries.
R
Note, the battery terminals must be dis-
connected when rapid charging the bat-
teries.
R
Observe the operating instructions of the
rapid battery charger.
R
Please note, when carrying out electric
welding work, that the batteries must be
disconnected and both of the cables ("+"
and "-") must be firmly attached to each
other.
R
The control unit connectors may only be
connected/disconnected when the elec-
trical system is switched off.
R
Incorrect control unit-power supply
polarity (e.g. by connecting up the bat-
teries incorrectly) can cause irreparable
damage to the control units.
R
Tighten diesel injection system connec-
tions to the prescribed tightening torque.
R
If temperatures above 80 † are to be
expected (e.g. in a drying oven), the con-
trol unit on the engine must be removed.
R
Only use the appropriate testing probes
when taking measurements from electri-
cal connectors (e.g. a Mercedes-Benz
connection set). Telephones and two-
way radio devices that are not connected
to an external aerial, can cause malfunc-
tions in the vehicle electronics and thus
endanger the operating safety of the
engine.
Staff qualifications
G
WARNING
If maintenance and repair work on the engine
is
not
carried out correctly, the operation and
safety may be affected, which can result in
accidents and personal injury.
Always have work on or modifications to the
engine carried out at a qualified specialist
workshop that has the necessary special
skills and tools for the work required.
Mercedes-Benz recommends a Mercedes-
Benz or MTU Service Centre.
The engine should only be operated, main-
tained and repaired by trained personnel who
have been briefed and authorised by the oper-
ator. The minimum legal age for personnel
carrying out maintenance and repair work
must be observed.
Organisational measures
The responsibilities for operation, mainte-
nance and
repairs are to be determined by the
operator. Give the Operating Instructions and
the Maintenance Booklet to the personnel
that are charged with operating or carrying
out work on the engine.
G
WARNING
Before operating the engine, please read
these
Operating
Instructions. Please also first
read the operating instructions of the vehicle
or the machine to which the engine is fitted.
You may not recognise dangers and may
injure yourself or others.
Instruct personnel on how to operate the
engine using the Operating Instructions.
When doing so, put special emphasis on
safety-relevant information. This is particu-
30
Organisational measures
Safety
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