Regional Haul Model Operator's Manual - Peterbilt Motors Company

CONTROLS AND DISPLAYS
9. Cruise Control, Active
Illuminates when cruise control is active.
10.Dump Truck, Body Up
Illuminates when Truck Dump Body is up.
11.Dump Truck, Trailer Body Up
Illuminates when Trailer Dump Body is up.
12.Emissions, Diesel Particulate Filter
(DPF)
Illuminates when diesel particulate trap is
plugged. This warning will also illuminate
when regeneration operation is disabled.
13.Emissions, High Exhaust System Temperture
(HEST)
Illuminates when the exhaust gas temperature
and exhaust components become
extremely hot.
INSTRUMENTS AND CONTROLS
WARNING!Temperatures of the exhaust
pipes and at the outlets of the exhaust system
during and shortly after a regeneration
event will be extremely hot. If the High
Exhaust System Temperature (HEST) warning
lamp is on:
•Do not park in an area of combustible vapors
or materials. You must keep combustibles at
least five (5) feet away from the side and top
of the vehicle while the HEST light is illuminated.
Always park your vehicle outside. Failure
to do so could ignite an explosion or harm
bystanders which could result in death or
serious injury.
•Do not park in an area where people are
close by. You must keep bystanders at least
five (5) feet away from the exhaust outlet
while the HEST light is illuminated. Failure to
do so could result in death or serious injury.
The exhaust piping, diesel particular filter
(DPF) or tail pipe become extremely hot during
engine operation or any regeneration
event and can cause death or serious burns
to the skin. Allow adequate cooling time
Regional Haul (R05/10) Y53-6033 – 25 –