Operator`s manual
INTRODUCTION
20
k. Diesel Particulate Filter (DPF) Assembly
l. DPF Components:
앫 Aftertreatment Hydrocarbon Injector (AHI)
앫 AHI Shutoff Valve
앫 Discharge Recirculation Valve
앫 DRV Solenoid Valve
앫 Pre-Catalyst Temp. Sensor
앫 Post-Catalyst Temp. Sensor
앫 Downstream DPF Temp. Sensor
앫 Differential Pressure Sensor
m. Sensors:
앫 Engine Timing/Speed (flywheel)
앫 Engine Position (camshaft)
앫 Temperature — Coolant
앫 Temperature — Inlet Manifold Air
앫 Pressure — Boost Air
앫 Humidity
앫 EGR Temperature
앫 EGR Differential Pressure
앫 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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