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1 故障概况 1999年10月16号,衡阳机务段DF_4KB2546机车,牵引第60次时,因后增压器废气总管发红,柴油机最高转速仅在700r/min左右,机车功率不足,被迫救援,构成机破。2 故障原因查找 机车回段后,初步判断是后增压器固死,并对其进行了仔细的检查,没有发现质量问题。后来在得知该车机破回来后,更换了一台燃油泵电
1 Fault Overview October 16, 1999, Hengyang locomotive depot DF_4KB2546 locomotive, traction 60th, due to red turbocharger exhaust manifold, the maximum speed of diesel engine only 700r / min or so, lack of locomotive power, was forced to rescue, Form broken machine. 2 reasons for the fault Locomotive locomotive back to find the initial judgment after the turbocharger solid dead, and carried out a careful examination of it, did not find quality problems. Later learned that the car broke down after the replacement of a fuel pump