After the train pipe reaches the specified pressure, the maximum effective decompression shall be carried out from the valve and the pressure shall be maintained at 1min to determine the passing state of the train pipe.
Train inspector, chief operating officer, station attendant or relevant personnel shall check and confirm that the last train has braking effect.
The driver should check the leakage of the train pipe, and the pressure drop per minute should not exceed 20KPa.
All test contents of "train braking":
When there is no train braking ground test equipment or equipment failure at the train inspection station, after the locomotive inflates the train, the driver shall conduct the test according to the requirements of the train inspector:
The automatic valve depressurizes 50 kPa (70KPa when 60 or more vehicles are grouped) and keeps the pressure for 65,438+0 minutes. Train brake sensitivity test, the whole train must have braking effect, no natural relief is allowed. After the handle is moved to the running position, the whole train must be relieved within 1 minute.
2. Carry out the maximum effective decompression from the valve (when the train pipe is under constant pressure of 500KPa 140KPa, when it is under constant pressure of 600KPa 170KPa), and carry out the stability test on the train brake, so that the car inspector can check the train brake and check whether the piston stroke of the brake cylinder meets the requirements. The driver should check the leakage of the train pipe, and the pressure drop per minute should not exceed 20KPa.
When the tra3min inspection before a long ramp takes a certain period of time, the train brake should be depressurized 100KPa after all the test methods are tested and maintained for 3 minutes, and the train should not be relieved naturally.
When testing the train brake, the driver should pay attention to the inflation and deflation time, press the green key of the driver control box of the following tail device to check the change of train pipe pressure, which can be used as a reference for train operation and brake use.