论文部分内容阅读
1不论轻重负荷都不能提升故障主要原因:油泵不能正常吸油,因为油面过低,吸油滤网严重堵塞,吸油管和油泵密封圈严重漏损;操纵手柄轴外端或内端的开口销脱落;摆杆脱
1 Whether the light and heavy loads can not improve the main reasons: the pump can not be normal oil, because the oil is too low, serious blockage of the suction filter, oil pipe and pump seal serious leakage; handle shaft outer end or inner end of the opening pin off; Pendulum off