User Manual

should observe during this process;
however
, defer to your PTO manufacturer's
Operating Instructions in all cases where
there is a disagreement in instruction.
NOTE
Actual PTO engagement/disengage-
ment
may be delayed momentarily
since it is controlled by the air system
and mechanical movement.
CAUTION
Increasing engine rpm before the PTO
is
actually engaged could prevent the
PTO from engaging and/or cause PTO
damage.
1. Toggle the PT
O ON/OFF switch to
the ON position. Text indicating
PTO engagement will appear at the
center of the display. Vehicles with
PACCAR or an Eaton automated
transmission will display the letters
AN in the transmission gear
indicator.
2. Press the Cruise Control (CC)
ON/OFF button to enable PTO
speed control operations. A white
speed control enabled icon will
appear
3.
Press the SET + and RES – Cruise
Control (CC) buttons to command
a desired engine speed. PTO
Speed Control is now active.
4. To increase or decrease PTO
engine speed use a combination of
short and long presses of the SET
+ and RES – Cruise Control (CC)
buttons.
PTO speed indicates on the digital
tachometer and below it, as a numerical
readout.
How to Stop the PTO
When PTO Speed Control is active, there
are many ways to disable it depending on
how the vehicle is configured.
• Tap the service brake
• Engage the clutch
• Turn Cruise Control Off
• Release the Parking Brake - (This
is applicable only if PTO was
activated while the truck was
stationary.)
• Toggling the PTO switch to OFF
Stopping the PTO will return the engine
speed to its default setting. It is not advised
to stop the PTO when engine speed is
above the default setting. Remember, to
quit PTO operations fully, toggle the PTO
switch to OFF.
Engine Fan Control
The engine fan switch on the dash has a
manual and an automatic mode. In the
manual mode, the engine fan will engage
until the switch is back into automatic
mode. In automatic mode, the engine fan
operation is controlled by the engine
computer.
DRIVING - Engine Operations
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