液压系故障的简易判断实践中，我们摸索出根据泵出的油液中，所含泡沫的情况，来分析判断农具不提升或提升缓慢故障的方法，简单可靠。下面以半分置式悬挂系统为例，介绍观察泵油油液，判断故障的方法。接合液压齿轮油泵，起动发动机，将转速稳定在中速以下，待运转３～５... In the simple judgment of hydraulic system failure, we found out that the method of judging whether the farm implements do not improve or slow down is simple and reliable, according to the situation of the bubbles contained in the pumped oil. The following semi-subwoofer suspension system, for example, describes the pump oil to observe the way to determine the fault. Engage with hydraulic gear pump, start the engine, the speed stabilized at medium speed, to be running 3 ~ 5 ...