SAFETY START
- Parking Brake is in applied position
- Transmission is neutral
- Apply one foot to the service brake and start the engine “on”
- Build up air pressure up to 120 psi
- Then, governor should cut off
- The system is fully charged at 120 psi (sneeze sound)
LABS stands for Leaks, Alarms, Buttons and Service Brake = LABS.
The LABS test is a method to remember all the steps to test the air brake system in a commercial vehicle, which must be done during a pre-trip inspection.
Air Brake Check Simulator.
Florida CDL C.D.L. training air breaks lab test in cab test. Florida 2021. L.A.B. TEST HOW TO PASS YOUR CDL TEST.