what is normal pressure in an air system indicating vehicle is good to drive?
1/2 of the width of the area of friction
5mph
10
150 psi
60psi
20-40psi
Release and apply brakes
At what measurement is the safety valve USUALLY set to open?
150
60
100
60psi
How many pounds of pressure must be built by the compressor in a double air system before driving?
32ft while braking