Section 12: BRAKE AND AIR SYSTEM
PA1562
6
FIGURE 2: I-BEAM FRONT SUSPENSION AIR RESERVOIRS LOCATION 12213
3.1.1 Wet (Main) Air Tank
This reservoir, located above the L.H. wheel of
drive axle in the rear wheelhousing, is provided
with a bottom drain valve. A recommended
purge using the bottom drain valve should be
done every 12,500 miles (20 000 km), or once a
year, whichever comes first.
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 & 2). It is recommended to
purge the primary air tank every 12,500 miles
(20 000 km) or once a year, whichever comes
first.
3.1.3 Accessory Air Tank
The accessory air tank is installed close to the
front axle and is provided with a bottom drain
valve (Fig. 1 & 2).
Purge the reservoir by it’s drain valve every
12,500 miles (20 000 km) or once a year,
whichever comes first.
3.1.4 ZF transmission Air Tank
Installed on vehicles equipped with this option,
this reservoir is located in the rear wheelhous-
ing, beside the transmission on the L.H. side of
the vehicle (Fig. 1 & 2). 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.
FIGURE 3: REAR VALVE LOCATION (TYPICAL) 12211
3.1.5 Secondary Air Tank
This tank is located in the front wheelhousing,
behind the steering axle (Fig. 1 & 2). 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.
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