我段用的东风_4型內燃机车,经常因冷却系统漏泄原因,需及时给机车补一定量的冷却水,特别是在运行途中或没有补水设备的站、段。补水时需乘务员提水到机车顶部往膨胀水箱的注水孔注水,这样做很不安全,特别是冬季机车顶部很滑,不小心有滑下车的危险,而且增加劳动强度,需两人配合才能把水送到机车顶部。 I paragraph with Dongfeng _4 diesel locomotive, often due to leakage of cooling systems, the locomotive to be timely and make up a certain amount of cooling water, especially in the operation of the way or no water replenishment stations, sections. Fill the water when the crew required to lift water to the top of the locomotive to the expansion tank water injection hole, it is not safe, especially in winter, the top of the locomotive is very slippery, accidentally sliding off the danger, but also increase the labor intensity, Take the water to the top of the locomotive.