在农村经常发现有的机手对某些部位的零件从来不检查、不保养,总认为不会有什么问题,只要零件不坏就一直使用下去,以至出现农机维修保养的死角,结果一旦在农忙使用农机的关键时候常常容易出现故障。出现这种情况的主要原因有3种。(1)有些零件呈隐性损坏状态,用肉眼难以察觉。橡胶管脱皮就属于这种情况。有一台农用车冒黑烟,工作无力,经检查是进气管内层脱皮所致;还有一台轮式拖拉 Often found in some rural areas of the hands of some parts of the machine parts never check, do not maintain, always think there will be no problem, as long as the parts are not bad, has been used until the emergence of agricultural machinery and maintenance dead ends, once the result is busy The key to using farm machinery is often prone to failure. There are three main reasons for this situation. (1) Some parts are hidden damage state, with the naked eye is difficult to detect. Rubber tube peeling is the case. One of the agricultural vehicles ran into black smoke and was weak in work. After checking, it was caused by the peeling of the inner skin of the intake pipe. There was also a wheeled drag