Air Brake Test - Straight Truck

This video will go over an air brake test in a straight truck. This air brake test was conducted in a Hino L6
Safe Start
-Applied air leak test
Low air pressure warning test
Spring brake pop-out test
Air governor cut-out
Air Governor cut-in

[@berhaz]

Thank you.

[@frangiew9076]

What did you mean by parking brakes engaged with the yellow knob in or out ??

[@jamesng2764]

@5:25 You compounded the brakes yay or nay?