Maintenance work on the superstructure
8.5 Exhaust system with exhaust emission control
13.02.2018
Maintenance manual 3 302 719 en 8 - 35
GMK6300L-1
8.5 Exhaust system with exhaust emission control
Overview To comply with the exhaust emission regulations, the truck crane may
only be run with the exhaust system with SCR catalytic converter
(SCR = Selective Catalytic Reduction).
The exhaust gas is treated using an AdBlue system. AdBlue
For this, (DEF) (Diesel Exhaust Fluid) from the AdBlue tank is injected
into the exhaust system.
The engine output is automatically sharply reduced when there is not
enough AdBlue solution available. Driving with an empty AdBlue tank
will cause the engine to malfunction;
à Manual de instrucciones,
à Engine manufacturer’s documentation.
AdBlue system
1 AdBlue tank
2 Pump unit
for pu
mping AdBlue to the dosing unit
on the diesel engine and for pumping
engine coolant for preheating the
AdBlue tank.
3 Tank gauge, AdBlue tank
4 Warning lamp:
AdBlue system fault.
5 Diesel engine
with dosing unit for AdBlue (compressed
air supply) and a solenoid valve for
preheating the AdBlue tank using engine
coolant.
6 Injection nozzle
for injecting AdBlue.
7 Exhaust pipes
8 Exhaust silencer
with SCR catalytic converter
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