operators_manual

Table Of Contents
shifter to move back up to the
previous location
MAX mode is now active and the
instrument display will show the indicator in
the view
.
How to Deactivate MAX Mode
Vehicles with automated transmissions will
have the engine brake function integrated
with the transmission controls. Follow
these steps to deactivate MAX engine
brake mode.
1. Accelerate with the throttle pedal.
2. Upshift,Up or Down Shifting on
page 158 see .
3. Wait for the transmission coast
down gear to engage.
4. Reduce engine brake level.
5. Re-initiate MAX mode.
6. Select Neutral N, see Drive Neutral
Reverse Selector on page 158.
7. Select LOW mode.
Engine Brake Indicator
Engine Brake Icon (1 bar)
M
A
X
Engine Brake Icon (3 bar+MAX)
M
A
X
The vertical bars represent the amount of
engine brake, up to and including MAX
mode. When Engine Braking is active, the
indicator will change from white to green.
How to change Fast Idle Control
(FIC) Speed
The truck must be stationary
, the
transmission in Neutral, and the Park
Brake set.
CAUTION
Do not let the engine RPM operate be-
yond
the maximum governed RPM.
Operating the engine above the maxi-
mum governed RPM may result in En-
gine damage.
1. Press the Cruise Control ON/OFF.
The white FIC indicator will appear
near the Speedometer/
T
achometer, indicating the FIC is
enabled.
2. To set the FIC speed
Press RES –
to resume last
used FIC speed, or
Use the Accelerator to increase
RPM, then press SET +, or
Press and hold SET + to
increase and set the new FIC
speed, or
Press and hold RES – to
reduce FIC speed, then press
SET +.
The FIC indicator will turn green,
signifying that the FIC is activated.
How to Start the PTO
PTO Mode can be activated in a number of
different ways. If your vehicle is equipped
with the MX engine, PTO Mode is typically
activated by engaging a PTO, or by using
the Dash PTO Mode Control Switch. For
the Cummins engine, PTO Mode is
typically activated by engaging a PTO, or
by setting the Cruise Control Switch to ON
but while the vehicle is stationary. The
following information below provides the
basic process of enabling and activating
PTO engine speed control, and what the
operator should observe during this
process.
DRIVING - Engine Operations
138 Y53-6110-1A1 (01/21)
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