Volvo L45H 2016, Operator'S Manual, Page: 14 / 318

Exhaust aftertreatment system Exhaust aftertreatment system
Exhaust aftertreatment system Exhaust aftertreatment system
The engine features an exhaust aftertreatment
system (EATS) in the form of two mufflers. The first
one contains a diesel oxidation catalyst (DOC) and
a diesel particulate filter (DPF) to reduce emissions
of particulate matter (PM). The second one contains
a selective catalytic reduction catalyst (SCR) to
reduce nitrogen oxide (NOx) emissions.
The SCR uses diesel exhaust fluid, called AdBlue®
or diesel exhaust fluid (DEF), to reduce the NOx
emissions. An AdBlue®/DEF injection system is
used to add this fluid to the exhaust.
During the regeneration process the exhaust
temperature may increase also at the outlet of the
end-pipe. Due to the increased temperature, the
regeneration process is not automatic but it is
started manually. The operator receives an
indication via the machine's information display unit
when the filter needs a regeneration.
Electrical system Electrical system
The system voltage of electrical systems is 24 Volts.
The two 12 Volt batteries, connected in series, are
located in the engine compartment, on the left hand
side. The battery disconnect switch is located
behind the upper step of the cab entrance. Mainly,
the relays and fuses are located in the electrical
distribution box behind the driver's seat. For further
locations and specifications, see page
284
.
1
2 3 4
5
6
A
A
A
B
B
B
V1164787
A Exhausts
B AdBlue®/DEF
1 Engine
2 Diesel particulate filter (DPF)
3 SCR catalytic converter
4 Injector for AdBlue®/DEF
5 AdBlue®/DEF tank
6 Pump for AdBlue®/DEF
12 12
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