| Pull forward quickly to stress the connection | |
| Lock the trailer brakes and pull backward slowly then inspect the connection | |
| Lock the trailer brakes and pull forward slowly then inspect the connection | |
| Release the trailer brakes and pull forward slowly then inspect the connection |
| Carries air controlled by the footbrake or trailer handbrake | |
| Provides a backup route from the air compressor to the air tanks | |
| Supplies air to the trailer air tanks | |
| Supplies air to the footbrake or trailer handbrake |
| Slow down before entering a curve | |
| Keep the air brakes properly pressurized | |
| Keep both hands on the steering wheel | |
| Make sure your load isn`t centered |