Operator`s manual

INTRODUCTION
20
k. Diesel Particulate Filter (DPF) Assembly
l. DPF Components:
Aftertreatment Hydrocarbon Injector (AHI)
AHI Shutoff Valve
Discharge Recirculation Valve
DRV Solenoid Valve
Pre-Catalyst Temp. Sensor
Post-Catalyst Temp. Sensor
Downstream DPF Temp. Sensor
Differential Pressure Sensor
m. Sensors:
Engine Timing/Speed (flywheel)
Engine Position (camshaft)
Temperature — Coolant
Temperature — Inlet Manifold Air
Pressure — Boost Air
Humidity
EGR Temperature
EGR Differential Pressure
NO
X
Sensor
The emission warranty for the diesel particulate filter covers defects in
workmanship only. Normal maintenance, such as cleaning ash from
the filter at regular maintenance intervals, is not covered by the
emission warranty.
In response to customer requests, Volvo Trucks North
America may build vehicles with engines supplied by
other manufacturers, including, but not limited to,
Cummins. In these cases, each engine manufacturer
through its service organization, is responsible for
emission control systems warranty on all parts of the
engine assembly, as furnished.
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