直观诊断法就是通过原地或道路试验 ,靠观察和感觉或者采用简单工具来确定农用运输车故障的方法。采用这种方法来诊断农用运输车的技术状况和故障具有投资少且不需要专用设备的优点 ,因此被机手及维修部门所普遍采用。采用直观诊断法诊断农用车故障时应先搞清楚故障的症状 ,有 Intuitive diagnostics is a method of determining a farm truck failure by observing and feeling or using simple tools, either in situ or on a road test. Using this method to diagnose the technical conditions and malfunctions of agricultural vehicles has the advantage of low investment and no need for specialized equipment and is therefore commonly used by the hand and maintenance departments. The diagnosis of agricultural vehicles using intuitive diagnostic method should first find out the symptoms of failure, there