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3 Description and Operation
Figure 23
High Exhaust Temperature Lamp
Never tow trailers without BOTH the service and
emergency brake lines connected to the trailer. Never tow
trailers without functioning service and emergency brake
systems. Operating the vehicle while towing trailers
without functioning trailer brake systems may lead to loss
of control of the vehicle, serious injury or death.
Never tow a trailer above the minimum height required to
clear the landing gear from the ground. Lifting the fifth
wheel and trailer too high drastically raises the center of
gravity of the trailer and increases the chance of a rollover.
3.2.7 Exhaust System —
DOT/EPA-Approved Engines
Exhaust system components can become extremely hot
from engine operation. Wait for the exhaust system to
cool down completely before performing exhaust system
service. Wear protective gloves when working around
exhaust system components. Failure to do so can result
in serious personal injury.
Diesel Particulate Filter (DPF)
Regeneration
To meet current emissions regulations, this vehicle is equipped
with a Diesel Particulate Filter as part of its exhaust
aftertreatment system. The DPF traps diesel particulates and
requires periodic service to ensure its proper functionality.
Servicing involves regeneration (burning) of the trapped
particulates. The engine's ECM senses when regeneration is
required and can automatically, under the correct conditions,
initiate regeneration. If the correct conditions cannot be met,
the operator must initiate a "Stationary" regeneration. Not
performing a "Stationary" regeneration, when required, will
necessitate the removal of the DPF for service.
High Exhaust Temperature Lamp
The "High Exhaust Temperature" lamp illuminates to indicate
that high exhaust temperatures exist. When this lamp is
illuminated, the engine should be stopped and the exhaust
system allowed to cool before restarting the engine.
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