SECTION 12: BRAKE AND AIR SYSTEM
PA1621 Maintenance Manual All Series | January 2017
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FIGURE 1: INDEPENDENT SUSPENSION AIR TANKS LOCATIONS (SHOWN WITH VIP EXPANSION TANKS)
FIGURE 2: I-BEAM AXLE SUSPENSION AIR TANKS LOCATIONS (TYPICAL WITH VIP EXPANSION TANKS)
4.1.1 Wet Air Tank
This reservoir located in front and above the
L.H. wheel of the drive axle in the rear wheel
housing, is provided with a bottom drain valve.
4.1.2 Primary Air Tank
This reservoir is located above the tag axle, and
is provided with a bottom drain valve.
4.1.3 Accessory Air Tank
The accessory air tank is installed at the ceiling
of spare wheel compartment and is provided
with a bottom drain valve.
FIGURE 3: FRONT SERVICE COMPARTMENT
4.1.4 Secondary Air Tank
Located in the front left wheel housing for the
independent suspension equipped vehicles, this