Mercedes-Benz OM 904 LA Operating Instructions Manual page 44

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Refuelling
Use summer or winter fuel depending on
the season. See also "Diesel fuels"
(
page 59).
!
When refuelling do not allow water to
enter the tank, contaminating the fuel.
Bleeding the fuel system
If the fuel system is run dry, the system will
be bled the next time the engine is started
after refuelling. Automatic continuous
bleeding takes place in the filter.
i
The battery must be sufficiently
charged during the starting procedure
to ensure that the fuel system can be
bled.
i
Bleed the heated fuel prefilter with wa-
ter separator* mounted on the vehicle
or machine with the integrated hand
pump.
Checking the batteries
Risk of injury
The acid contained in batteries burns skin
and eyes on contact.
Do not allow acid to come into contact
with your skin, eyes or clothing.
Wear suitable protective clothing, as
battery acid can burn through normal
clothing. In addition, protective gloves
and safety goggles should be worn.
Rinse acid splashes off immediately with
clean water and consult a doctor if nec-
essary.
Starting the engine for the first time
Risk of explosion
Gases leaking from batteries may explode
and therefore cause injury.
Fire, naked flames, smoking and sparks are
therefore not permitted in the vicinity of the
batteries.
G
Only use batteries that have been correctly
filled and maintained. Grease the battery
terminals with acid-proof grease (battery
terminal grease).
i
The cable cross-sections are depend-
ent on the distance between the bat-
tery and the starter motor.
Operation
G
4
41

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