Heavy Vehicle (Vehicle Standards) National Regulation
sch.3-sec.17Capacity of air reservoirs
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sch.3-sec.17 Capacity of air reservoirs
The capacity of the air storage tanks of a heavy motor vehicle used in a B-double or road train must be at least 12 times the volume of all the brake activation chambers on the heavy motor vehicle. The capacity of the air storage tanks of a heavy trailer used in a B-double or road train must be at least 8 times the volume of all the brake activation chambers on the trailer. In this section— brake activation chamber , of a heavy vehicle, means a device that, when air pressure is applied to it, activates another device that applies brakes to the vehicle. (sch.3-sec.17-ssec.1) The capacity of the air storage tanks of a heavy motor vehicle used in a B-double or road train must be at least 12 times the volume of all the brake activation chambers on the heavy motor vehicle. (sch.3-sec.17-ssec.2) The capacity of the air storage tanks of a heavy trailer used in a B-double or road train must be at least 8 times the volume of all the brake activation chambers on the trailer. (sch.3-sec.17-ssec.3) In this section— brake activation chamber , of a heavy vehicle, means a device that, when air pressure is applied to it, activates another device that applies brakes to the vehicle.