Starting From The Engine Compartment - PREVOST H3-45 2023 Operator's Manual

CAUTION
Special precautions
turbocharged engines to avoid possible turbine
damage. After starting, run the engine at
normal idle for two minutes to allow lubricating
oil to reach the turbocharger. Then run the
engine at fast idle. Let oil pressure reach
normal operating range before driving.
NOTE
If the accelerator pedal is depressed before
starting, release and wait 30 seconds before
attempting to start.
WARNING
Do not use ether or other combustible starting
aid fluid on any engine equipped with an intake
air preheater. If the engine is equipped with a
preheater, introduction of ether or similar
starting aids could cause a fire or explosion
resulting in severe property damage, serious
personal injury or death.
Stopping The Engine
1. Apply parking
transmission in neutral (N);
2. Allow engine to idle for at least two
minutes before shutting down the
engine. This ensures that the turbine
speed drops and allows time for the
engine exhaust gas temperature to
drop to about 300
3. Shut off all electrical loads;
4. Flip the ignition switch to OFF. See
"ENGINE START
page 4 in Controls and Instruments
section.
are necessary with
brake and place
o o
F (150 C);
BUTTON" on
PA-1652 Operator's Manual H3-45 Coach
Starting and Stopping Procedures 6-3
NOTE
If ignition switch is turned OFF by mistake
while the vehicle speed is higher than 6 mph
(10km/h), the throttle
interrupted. The power steering will be
maintained, and the transmission will stay in
gear. An alarm in the instrument panel will
sound to warn the driver.
Normal operation will resume as soon as the
ignition switch is set back to ON.
CAUTION
Do not shut off the engine when running above
normal idle.
CAUTION
Set the main electrical shut- off switch to the
OFF position after parking and when left
unattended for an extended period of time.
NOTE
To prevent discharge of the batteries when the
engine in not running, some functions are
automatically switched off if the battery voltage
drops below 24.0 volts for more than 30
seconds. A pictogram and a message will
appear in the DID while this protection mode is
active. Set the ignition switchto the OFF
position and then to the ON position to
reactivate the functions for a period of 30
seconds before they switch off again. If a
prolonged use of the functions with the engine
not running is necessary, connect the battery to
a charger.
CAUTION
When the vehicle is parked overnight or for an
extended period of time, the main electrical
shut- off switch should be set to the OFF
position.
STARTING FROM THE ENGINE
COMPARTMENT
Push buttons to start and stop the engine from
the engine compartment are located on the R.H.
side of engine compartment.
function will be