Cold Weather Starting; Jump Starting - PREVOST H3-45 2023 Operator's Manual

6-4 Starting and Stopping Procedures
DANGER
Apply parking brake and place transmission in
neutral (N) before starting engine from inside
the engine compartment.
1. Set the main electrical shut-off switch and ignition
switch to the ON position.
2. Press the rear start push button to start engine from
the engine compartment.
When servicing the engine, push the engine
stop/ignition interlock button to prevent the
engine from being started from the driver's area
or the rear start push button.
Once servicing is done, twist and pull the button
to allow normal engine start.
CAUTION
Refer to cautions in "STARTING FROM THE
DRIVER'S SEAT" in this section.
FIGURE 3: REAR START PANEL
DANGER
Do not wear loose clothing when working near
engine. Stand clear of rotating components.
Rotating shafts can be dangerous. They can snag
cloth, skin, hair and hands, causing serious injury
or death. Do not work on a shaft or other rotating
parts of the vehicles (with or without guard) when
the engine is running.
Stopping The Engine
Press the red engine STOP/ignition interlock
button while the engine is running to stop the
engine from the engine compartment.

COLD WEATHER STARTING

When starting a cold engine, the intake air will be
warmed up with the intake air preheater. Turn the
ignition switch to the ON position. The intake air
preheater will not engage at coolant temperature
above 54°F (12°C). If the coolant temperature is
below 54°F (12°C), the intake air preheater will
engage and will light the preheater telltale
between 0 and 50 seconds, depending on the
engine coolant temperature. Wait before the
preheater telltale has turned off before starting
the engine.
If necessary, once the engine has started, the
preheater will re- engage (post heating) for the
same length of time as the preheat time.
Volvo D13 Engine
This engine is equipped with an intake air
preheater.
combustible starting aid fluid. Introduction of
ether or similar starting aids could cause a fire
or explosion resulting in severe property
damage, serious personal injury or death.

JUMP STARTING

In order to avoid damage to solid-state electrical
components, it is important that jumper (booster)
cables
PA-1652 Operator's Manual H3-45 Coach
DANGER
Intake Air Preheater Telltale
WARNING
Never use ether
are used correctly
or other
and only in