OPM 100 en-GB 23
© Scania CV AB 2023, Sweden
Environment and safety
Exhaust gas aftertreatment
Cleanliness is very important when working on
the reductant circuit. Clean thoroughly around
all parts to be dismantled to prevent dirt from en-
tering the system.
When working on the exhaust gas aftertreatment
management system, the reductant connections
may only be lubricated with an aqueous soft soap
solution or with distilled water with a 3% urea
mixture. Any other types of lubricants may block
and damage the components in the exhaust gas
aftertreatment management system.
Reductant causes certain metals to corrode. Al-
ways rinse away reductant spillage on connec-
tions and other parts with lukewarm water to
prevent corrosion. If reductant seeps into electri-
cal connections or electrical cables, these must
be renewed.
When the engine is running, the exhaust system
parts can reach such high temperatures that there
is a risk of personal injury. Make sure that the
temperature has fallen to a suitable level before
starting work.
Respiratory protective equipment/filter mask of
the P3 type, eye protection and gloves should be
used for any work where there is a risk of expo-
sure to hazardous particles from the particulate
filter. Safety clearance for unprotected people is
3 m.
Any particles must be removed with a vacuum
cleaner to minimise exposure. The vacuum
cleaner must be equipped with a HEPA filter that
can filter out particles down to a particle size of
0.3 µm.
To avoid ingestion, do not eat, drink or smoke
while work is in progress. Make sure you clean
your hands after working on the particulate filter.
The oxidation catalytic converter, the particulate
filter and the SCR catalytic converter contain
precious metals and must be processed in com-
pliance with local regulations.
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