Engine Stop Override (With Automatic Fire Detection And Suppression System); Driver Controlled Differential Lock (Dcdl) (Optional) - PREVOST X3-45 VIP 2017 Owner's Manual

4-24 Controls and Instruments
Engine Brake (optional)
The vehicle's engine brake is by
default set to automatic (AUTO
mode
equipped with this switch, it is
possible to disable the engine
brake (OFF mode).
From OFF or AUTO mode, the
driver can switch directly to
06703
Engine Brake LOW
Engine Brake HIGH
by using the buttons on the
steering
"Transmission
"Engine Brake" in Section 5
Other Features.
The switch will have to be
pressed again to return to AUTO
mode
have the same effect).
Engine Brake / Transmission Retarder
(Optional)
Use
between
retarder and the engine brake
when using the vehicle speed
retarding device switches on
the
systems cannot be in function
at the same time. This rocker
switch will be found on the
06703
dashboard only if the vehicle is
equipped with both systems.
Refer
Retarder"
chapter.
"Transmission
"Engine
FEATURES
). On vehicles
mode
wheel. Refer
Retarder"
(cycling the ignition will
this switch to select
the transmission
steering wheel. Both
to "Transmission
heading in
Refer also
Retarder"
Brake" in "
OTHER
" chapter.
Engine Stop Override (with Automatic Fire
Detection and Suppression System)
Press the Engine Stop Override
switch on the dashboard or the
Delay Engine Stop switch on the
AFSS protection panel to delay the
engine shutdown and extinguisher
discharge
seconds.
This switch is functional only if the
or
vehicle
06265
Automatic
Suppression System.
to
&
CAUTION
Use this function if you are not prepared to bring
the vehicle to a safe stop (i.e. on a railroad track,
in intersection).
Driver Controlled Differential Lock (DCDL)
(Optional)
L OCK
06571
CAUTION
o Engage DCDL only under poor road surface
conditions.
o DCDL will not engage and will disengage in
this
speed higher than 5 MPH.
to
&
o Do not lock DCDL when one or more wheels
are slipping, spinning or loosing traction. You
can damage the drive axle.
o Using the rocker switch, unlock DCDL when
the need for improved traction has passed
otherwise it will reengage automatically as
speed gets below 5 MPH. Over a prolonged
period, this situation will increase tire wear
and stress to the vehicle.
o Do not engage during downhill operation.
by an additional
is equipped
Fire Detection
Press the rocker switch to lock or
unlock differential action.
to "Other Features" chapter for
the complete
instructions.
15
with the
and
Refer
operating