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Information sheet AdBlue®
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9.8.4 Central lubrication circuit 3 8-set pinch roller cleaner (optional)
105
105 Pinch roller 1
45
25
Pinch roller 3
Pinch roller 4
Pinch roller 2
Pinch roller 8
Pinch roller 6
Pinch roller 5
Pinch roller 7
To main distributor circuit 1
Return line
Sub-distributor 8 rollers
ROPA item no.: 360167
Pickup
To main distributor circuit 2
Chassis
9.9 Information sheet AdBlue®
Identification
AdBlue is the trade name for the diesel engine NOx reduction agent AUS 32 with the
standard description Din 70070.
AdBlue functions
AdBlue is used to reduce toxic nitrogen oxides to elemental nitrogen and water vapour
in the exhaust of diesel-powered vehicles with BlueTec technology.
Chemical characteristics and composition of AdBlue
AdBlue consists of technically pure urea, without addition of foreign substances, dis-
solved in demineralized water. It contains 32.5% of urea. AdBlue is not an additive, it
is carried separately in a corresponding additional tank in vehicles with BlueTec tech-
nology.
Chemical formula: H
2
N-CO-NH
2
Mol mas (urea): 60,06 g/mol
CAS (Chemical-Abstracts-Service)-No.: 57-13-6
Handling contaminated by AdBlue operating materials, fuels and lubricants
It should be ensured that AdBlue is strictly separated from other operating materials,
fuels and lubricants, e.g. coolant, engine oil, fuel, hydraulic and brake fluids, and not
the same containers and collecting tanks are used. For example, even minimal quan-
tity of AdBlue is enough in the coolant circuit to damage thermostats and temperature
sensors. Operating materials, which contain traces of AdBlue, must not be used.
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