Mercedes-Benz OM 904 LA, Руководство по эксплуатации

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Purity
! Impurities in AdBlue
®
/DEF, e.g. due to
other service products, cleaning products
or dust, may lead to:
R
increased emission values
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damage to the catalytic converter
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engine damage
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malfunctions in BlueTec
®
exhaust gas
aftertreatment.
Ensure that AdBlue
®
/DEF is always pure to
avoid malfunctions in BlueTec
®
exhaust gas
aftertreatment.
If AdBlue
®
/DEF is pumped from the tank, e.g.
during repairs, do not use this fluid to refill the
tank. Otherwise the purity of the fluid would
no longer be guaranteed.
Cleaning and care
Notes on care
G
WARNING
Always keep care products sealed and out of
the reach of children. Always follow the
instructions for the use of the care products.
Do not use fuel as a cleaning agent. Fuels are
highly flammable and constitute a health haz-
ard.
Regular care helps to maintain the value of
the engine.
Mercedes-Benz recommends that you only
use care products that have been approved
for Mercedes-Benz. You can obtain these
care products from any Mercedes-Benz or
MTU Service Centre (
Y
page 11).
High-pressure cleaning
! The exhaust gas aftertreatment system
may only be cleaned when it is cool. The
sensors can otherwise be damaged.
! When cleaning, never point the water jet
at the exhaust pipe. The system may oth-
erwise be damaged.
! When using a high-pressure cleaner, keep
a minimum distance between the high-
pressure nozzle and the engine parts. Oth-
erwise, parts of the engine may be dam-
aged.
Observe the following minimum distances:
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about 70 cm with round-spray jets
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about 30 cm with 25° flat-spray jets
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about 30 cm with concentrated-power
jets
! Keep the water jet moving constantly
while cleaning. In this way, you will avoid
causing damage.
Do not point the water jet at:
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electrical components
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plug connectors
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seals
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hoses
Cleaning the engine
! Observe the following notes when clean-
ing the engine. This avoids malfunctions
and damage to the engine.
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When using high-pressure or steam
cleaners, do not point the spray directly
at electrical components and electric
cables.
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Make sure that no water enters the air
intake and ventilation openings.
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Treat the engine with preservative
agents after it has been cleaned. When
doing so, protect the belt drive system
from the preservative agent.
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Only use wax preservative complying
with Sheet No. 385.4 of the Mercedes-
Benz specifications for Service Products.
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Cleaning and care
Maintenance and care