How to adjust the low shift pressure of freight car paddles

The method of adjusting the shift pressure of freight car paddles is as follows.

1. According to relevant public information, there is a distribution valve at the edge of the air reservoir, and there is a screw above or below the distribution valve.

It is necessary to adjust the screwdriver and wrench at the same time. Loosen the screw with a wrench, turn the screwdriver counterclockwise for half a turn, and then lock the screw.

If the air pressure is found to be too high, turn off the fire immediately. Step on the brakes a few times and don't let the air pressure be greater than 8.