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为了使批量生产的2－7PC2型联合调节器能达到试验型2－M7PC2型调节器的性能水平，对其进行了现代化改造。具体介绍了这种调节器的改造方法，即延长曲轴转速提速时间。经现代化改造的2－7PC2型调节器在ТЭП70型330号内燃机车上的检验证明改造效果良好。建议配属ТЭП70型内燃机车的机务段对2-7PC2型调节器进行这种现代化改造。
In order to make mass production of 2-7PC2 type joint regulator can reach the experimental level 2-M7PC2 type regulator performance level, its modernization. Concretely introduced the modification method of this regulator, that is to extend the crankshaft speed raising time. After the modernization of the 2-7PC2 regulator in the ТЭП70 330 diesel locomotive test proved that the transformation effect is good. It is proposed to carry out this kind of modernization on 2-7PC2 type regulator which is attached to the locomotive depot of ТЭП70 diesel locomotive.