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本文根据配属赤峰机务段的东风_4 型机车投入运用以来在检修运用中反映出的一些质量问题,提出对该机车加装改造的十条建议:1.增压器涡轮端加装迷宫油封或油封环;2.增压器压气机出气道法兰增设两条螺栓;3.联轴节油封盖密封胶圈改用双胶圈;4.主机油管路与辅助机油泵连接管路增设软联接;5.后转向架通风机改进风路;6.C 型机车粗、精虑器间加装压力传感器和压力表;7.轮对齿轮箱毡条油封槽底面加装波形弹簧条;8.B 型机车主控制器改用手轮控制;9.散热器排气线改至机械间;10.机车电器间增设灭火器。
According to some quality problems reflected in the maintenance and application since the Dongfeng-4 locomotive attached to Chifeng locomotive depot, ten suggestions for retrofitting the locomotive are put forward: 1. The labyrinth seal or oil seal is installed on the turbocharger turbine end Ring; 2 turbocharger compressor outlet flange two additional bolts; 3 coupling seal oil seal sealing ring instead of double apron; 4 host oil pipeline and auxiliary engine oil pump connection pipe additional soft connection; 5. After the bogie fan to improve the air duct; 6.C locomotive crude, the installation of pressure sensors and pressure gauges between the pressure gauge; 7. Wheel gear box seal groove bottom surface of the wave spring installed; Type locomotive main controller switch to handwheel control; 9. Radiator exhaust line changed to machinery; 10. Additional electric locomotive between fire extinguishers.