10 | |
8 | |
45 | |
9 |
Rear of front trailer open, rear of back trailer closed | |
Rear of front trailer open, rear of back trailer open | |
Rear of front trailer closed, rear of back trailer closed | |
Rear of back trailer open, rear of front trailer closed |
Open both shut off valves | |
Open the shut off valve at the rear of the first trailer and close the shut off valve at the rear of the second trailer | |
Close both shut off valves | |
Close the shut off valve at the rear of the first trailer and open the shut off valve at the rear of the second trailer |