Daewoo Bus BS Series, Owner'S Manual, Page: 132 / 260

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SCR ( EURO IV - DL06,DL08,DV11)
It is a post-processing device that
helps toxic exhaust to pass through
urea so that toxic materials are
removed.
Engine after treatment warning lamp
will be turned on when there is less
than 10% urea capacity.
Refill urea when this lamp is turned on.
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EGR (
EURO IV
- ISM Engine)
High exhaust pressure and exhaust
filter will reduce PM(particles) and
exhausts passed through cooling
process will be re-circulated through
the combustion chamber so that the
chamber temp will decrease resulting
in reduced Nox (Nitrogen Oxide) it is a
after treatment reducing toxins within
exhausts
Engine Aftertreatment Filter Warning
Lamp will be turned on when there is
excess amount of substances blocking
the filter.
The filter needs to be refreshed when
the light is on
When you press the engine check
switch (self diagnosis switch) after the
engine start-up, the exhaust filter is
combusted so that the filter is
refreshed.
4-23
START-UP & DRIVING
Engine Aftertreatment
OM-F081
WARNING
Use standard urea we recommend.
REFERENCE
· Urea gauge can bee seen at Multi
Display (LCD).
· Recommended urea : DIN V 70070-05
OM-H252
WARNING
· During the refreshment of the filter,
the exhaust is very hot. Pay extra
care not to get injured.
· If there is a flamable substances
around the exhaust, the substance
may catch fire. Pay extra care.