东风。型2403号机车是新造的客比机车，1993年毛月份配属济南机务段。经整备后，从10月份投入运用以来，制动机连续发生自阀、单闹调整部严重漏风，前后台自阀有时出现不缓解的故障（见附表），直接威胁行车安全。该机车制动机故障多发生在运行途中。主要现象是单间、自间调整 Dongfeng. Type 2403 locomotive is a new passenger than the locomotive, the month of June 1993, Jinan locomotive depot assigned. After being prepared, from October put into operation, the continuous occurrence of the brake since the valve, a single alarm serious air leakage Department, before and after the valve from time to time there is no relief to ease the failure (see table), a direct threat to traffic safety. The locomotive brake failure occurred in the operation of the road. The main phenomenon is single, self-adjustment