PREVOST LE MIRAGE XLII BUS SHELLS User Manual

Section 12: BRAKE AND AIR SYSTEM
PA1553
5
3.1.2 Primary Air Tank
This reservoir is located above the R.H. wheel of
the drive axle and is provided with a bottom
drain valve (Fig. 1). It is recommended to purge
the primary air tank every 12,500 miles (20 000
km) or once a year, whichever comes first.
FIGURE 2: REAR VALVE LOCATION (TYPICAL) 12202
3.1.3 Accessory Air Tank
The accessory air tank is installed close to the
independent front suspension and is provided
with a bottom drain valve (Fig. 1).
Purge the reservoir by its drain valve every
12,500 miles (20 000 km) or once a year,
whichever comes first.
3.1.4 Secondary Air Tank
This tank is located in the front wheelhousing,
behind the independent front suspension
(Fig. 1). It is provided with a bottom drain valve.
Purge this reservoir every 12,500 miles (20 000
km) or once a year, whichever comes first.
3.2 PING TANK
The ping tank is located in the engine
compartment and is accessible through the
engine compartment R.H. side door. It is used to
dissipate heat and to reduce noise produced by
the air compressor cycling on and off.
FIGURE 3: FRONT SERVICE COMPARTMENT
12218
4. AIR SYSTEM EMERGENCY FILL
VALVES
All vehicles come equipped with two emergency
fill valves that enable system pressurization by
an external source such as an air compressor.
The rear valve is located in the engine
compartment and is accessible from engine
R.H. side door (Fig 2.). It can be positioned
close to the door hinge or the door opening.
CAUTION
Maximum allowable air pressure is 125 psi
(860 kPa). Air filled through these two points
will pass through the standard air filtering
system provided by Prevost. Do not fill system
by any point on the system.
The front valve is located in the front service
compartment close to R.H. side of door frame
(Fig. 3).
These two air system emergency fill valves are
fitted with the same valve stems as standard
tires, and can be filled by any standard external
air supply line.
The rear air system emergency fill valve will
supply air for all systems (brakes, suspension
and accessories) while the front fill valve will
supply air for accessories only.

PREVOST LE MIRAGE XLII BUS SHELLS Specifications

General

Brand	PREVOST
Model	LE MIRAGE XLII BUS SHELLS
Category	Buses
Language	English