AIR BRAKES - GENERAL INFORMATION
6x4 Truck (Figure 9)
Primary service system is at the front axle and forward
rear axle service brakes, secondary service system is at
the rear rear axle service brakes. Like the 4x2 truck, an
inversion valve is used to apply the park brake at the rear
axle along with the secondary service brakes if air loss
occurs in the primary system.
Figure 9 - 6x4 Truck With Refined Split Air System
CTS-4154Y - Page 9
