Putzmeister BSA 1409 D4, Руководство по эксплуатации

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Generaltechnicaldescription
3113
AP02_987_1702EN
The SCR system continuously reduces the NOx emissions produced
by the engine as described below:
The DEF delivery pump supplies the diesel exhaust fluid (DEF) that
is injected into the exhaust system by the metering unit upstream of
the SCR catalytic converter.
The DEF injected into the exhaust system reacts with the NOx
emissions present in the exhaust gas in the catalytic converter of the
SCR system. This reduces the NOx emissions to nitrogen (N
2
) and
water (H
2
O).
The engine control unit controls the DEF injection volume.
Caution
Leaking DEF lines may cause damage to electrical and electronic
components in the engine compartment.
Leaking diesel exhaust fluid (DEF) can cause corrosion damage and
operating faults if it comes into contact with cabling, control units
and similar electronic components (e.g. short circuiting, malfunctions
and the destruction of electronic components).
Check the DEF lines and line connections for leak tightness. Seal
any leakage points.
Electronic components (e.g. sensors) that can come into contact
with DEF must be connected using lines that are sealed all the way
along.