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

- Perform procedures as detailed in this manual.
- 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. and R.H. passenger seats. 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.
In case of air conditioning system failure,
substitute ventilation may be provided by opening
roof-mounted emergency vent(s).
of the transmission
should be corrected
is required,
STARTING AND STOPPING PROCEDURES
NOTE:
The driver's area A/C & heating and
defrost systems are independently controlled from
the central system.
A/C & heating system controls
is
FIGURE 77
the
FIGURE 78: R.H. Lower Switch Panel
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