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根据故障现象,弄清系统工作原理及各部件的实际作用,理清各工作子系统的功能,是分析判断故障的一种有效方法。 例1 一台日本加藤40t汽车起重机在使用中发现,起重机在吊起重物悬于空中时,主吊钩有溜钩现象,即所吊重物不能保持在空中不动,而有瞬间下降的情况;下降时断时续,影响了使用。
According to the phenomenon of failure, to understand the system principle and the actual role of each component to sort out the functions of the various working subsystems, is an effective method to analyze and determine the fault. Example 1 A Japanese Kato 40t truck crane in use found that the crane hoisting heavy objects hanging in the air, the main hook slippery hook phenomenon, that is, the suspended load can not remain in the air with an instantaneous decline Situation; declining when off, affecting the use.