Volvo VNL 780 Operator's Manual page 320

310 OPERATION
Both circuits are piped into a dual brake valve, which simultaneously applies front and rear
axle service brakes during each brake application. In the event of a failure in either one of
the circuits, the other circuit becomes the emergency circuit for applying the brakes.
1 Clutch Fluid Reservoir
2 Windshield Washer Fluid Fill
3 Brake Valve
DANGER
The Master Warning Tell-Tale and buzzer
alerts of a dangerous situation. Air
pressure is low and the remaining air
volume may not be enough for repeated
braking. Failure to heed this warning can
result in loss of braking control, vehicle
accident and injury or death.
W5001486