Heating And Air Conditioning - PREVOST Motorcoach XL Series Operator's Manual

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- Unless otherwise specified, engine should be
turned off for all lubrication and maintenance
procedures.
- Do not attempt to push-start or pull-start the
vehicle.
- Do not tow vehicle without first removing the
drive axle shafts or disconnecting the drive shaft.
Internal
lubrication
inadequate when the vehicle is towed.
- Fire extinguishers are stored underneath the
front L.H. passenger seat. In case of fire, get
everyone out of the vehicle, then think of your own
safety before attempting to fight the fire.
- When driving on ice or snow, accelerations or
decelerations should be done gradually.
NOTE:
Normal operation as well as some
emergencies or abnormal conditions are covered
in this booklet. Any malfunction interfering with
satisfactory
operation
immediately, particularly when safety may be
involved.
HEATING AND AIR
CONDITIONING
Ventilation
Driver should always try to introduce as much
circulation of outside fresh air as possible without
hampering heating and air conditioning systems.
Under extreme temperature conditions however,
when
maximum
capacity
adjustable intake dampers (see following pages)
should be closed.
It should be remembered that the inside of vehicle
should always be slightly pressurized to minimize
the entrance of dust and moisture.
Vehicle heating and air conditioning systems have
been designed to allow circulation of some outside
fresh air, so windows should be kept closed at all
times.
of
the
transmission
should
be
corrected
is
required,
STARTING AND STOPPING PROCEDURES
In case of air conditioning system failure,
substitute ventilation may be provided by opening
roof-mounted emergency vent(s).
NOTE:
The driver's area A/C & heating and
defrost systems are independant from the central
system.
Central A/C & heating system
is
the
1. "A/C heat" switch
This switch has three positions: "A/C - OFF -
HEAT". Set the switch to:
- "A/C" position (L.H. side) when vehicle's
interior
dehumidified.
4 - 11
needs
to
be
cooled
18123
18124
or

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Motorcoach xl-40Motorcoach xl-45

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