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1 故障情况 1997年 11月 10日 ,东风5型 140 7号机车在调车作业中 ,司机发现总风缸压力下降 ,于是启动空压机打风。但是 ,压力仍然下降 ,经检查发现 ,风源净化装置Ａ塔电空阀排风孔大量排风不止。司机甩掉风源净化装置后机车恢复正常。由于在冬季 ,风源净化装置如果长时间
1 fault conditions November 10, 1997, Dongfeng 5 140 7 locomotive shunting operation, the driver found the total cylinder pressure drop, then start the air compressor to play the wind. However, the pressure is still down, the inspection found that the air purification unit A tower air valve exhaust vent a large number of exhaust more than. After the driver got rid of the wind source purifying device, the locomotive returned to normal. As in the winter, if the wind purification device for a long time