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1 故障情况及初步查找2 0 0 1年 9月 2 5日 ,我段东风4Ｂ 型 72 75号机车中修完毕后进行水阻试验。加载磨合到 30ｍｉｎ左右时 ,发现柴油机油气分离器冒白烟。停机 ,打开曲轴箱盖检查 ,各部无异状 ;化验机油油样 ,水分超标。因此我们按照如下步骤对柴油机漏水处所进行了查找 :
1 Fault conditions and preliminary search 2 0 0 1 September 25, I Dongfeng 4B Type 72 75 locomotive after the repair was carried out water resistance test. Load run-in to about 30min, diesel engine oil and gas separator was found to take white smoke. Shut down, open the crankcase cover inspection, the Ministry of no abnormalities; test machine oil samples, excessive water. Therefore, we follow the following steps to find the engine room leaks: