793C, 793C XQ and 793D Off-Highway Truck Fast Fill Fluid Center Caterpillar


General Information

Usage:

793C ATY

------ WARNING! ------

机器突然移动或释放气压或油压,可能对机器上或机器附近的人员造成伤亡。

为避免可能造成的伤亡,在测试和调整液压系统之前,遵照以下程序。


注: 机器上仅允许停留一位操作员。 让其他所有人员远离车辆或离开操作人员的视野。

  1. 把机器开到平整水平的地方。 把机器开到远离其他机器的地方。 把机器开到远离其他人员的地方。

  1. 将变速箱操纵杆移入空档位置。 关闭发动机。

  1. 启动停车制动器。

  1. 车轮前后都塞上车轮挡块。 请参阅拆解和组装, "车轮楔子(前和后)- 拆卸和安装"。



    图 1g01083655

    与卸载车斗连接的固定电缆。

  1. 如有必要抬起卡车的卸载车斗,将固定电缆与卡车后部连接。 请参阅拆解和组装, "卡车车斗固定电缆 - 拆卸和安装"。

  1. 确保变速箱操纵装置处于空档位置。

  1. 在任何接头、软管或者部件上工作之前,确保释放所有机油压力。

目视检查是故障诊断与排除的第一步。 目视检查会确定可以快速修正的故障。

由于可能难以进行故障诊断与排除,所以在维修手册上列出了可能故障的列表。 为了维修某个故障,请参阅测试和调整, "故障诊断与排除部分"所列出的故障和可能原因。

故障和可能原因的列表只提供了可能存在的故障的位置和可能需要进行的修理。 有时还有除了列表之外的更多维修或其他需要的维修作业。 请记住:一个故障通常不会仅仅由单个零件引发。 一个故障通常是一个零件和其他零件关联产生。 该列表不能提供所有可能的故障和所有可能的原因。 维修人员必须要找到故障所在和故障源头。 维修人员必须进行必要的维修。

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