User Manual

NOTE
Keep the engine exhaust system and
the
vehicle's cab ventilation system
properly maintained. It is recommend-
ed that the vehicle's exhaust system
and cab be inspected (1) By a compe-
tent technician every 15,000 miles
(24,140 km); (2) Whenever a change
is noticed in the sound of the exhaust
system; or (3) Whenever the exhaust
system, underbody, or cab is dam-
aged.
NOTE
If you are parked next to idling vehi-
cles,
move your vehicle or do not stay
in your vehicle for prolonged periods of
time.
transmission before starting out on the
road.
T
o warm-up the transmission lubricating oil
during engine warm-up, with a single
transmission (manual and automatic):
1. Put the transmission in Neutral.
2. Release the clutch pedal (manual
only) and operate the transmission
in neutral for 3 to 5 minutes prior to
operating the transmission in either
forward or reverse range.
3. If you have a two-transmission
combination:
a. Put the main transmission in
gear.
b. Put the auxiliary transmission
in Neutral. This will allow the
transmission countershaft to
turn, agitating the oil and
warming it.
Engine Operations
PTO Operations (option)
This truck may be equipped with Power
Take-Off (PTO). PTO operation is enabled
by using the dash mounted PTO switch in
conjunction with the cruise control feature.
When enabled, the tachometer will
represent PTO operation, and may display
the following additional PTO related
information:
• Engine RPM – indicated near the
tachometer as well as on the scale
line.
• PTO hours – shows engine hours
used during PTO activity.
• DPF Status – shows Diesel
Particulate Filter usage as a
percentage.
• Engine Torque – shows the
percentage of max engine torque
being exerted.
Dependent on your engine these modes
can be read inside the tachometer. For
more information on PTO operation see
How to Start the PTO, How to Stop the
PTO, and/or consult your PTO
manufacture's operating instructions.
How to Start the PTO
The PTO operation can be enabled and
activated in many different ways. Refer to
your PTO manufacturer's Operating
Instructions for specific guidance on how to
operate the PTO. The information below
provides the basic process of enabling and
activating PTO and what the operator
DRIVING - Engine Operations
How to Warm Up the Transmission
In cold weather (below 32°F (0°C), you
may find shifting sluggish when you first
start up. Transmission warm-up is
especially important at this time, but it is
always a good idea to warm-up your
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