966H Wheel Loader and 972H Wheel Loader Braking and Hydraulic Fan System Caterpillar


Machine Preparation for Troubleshooting

Usage:

966H A6D

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

压力下飞溅的油液,会造成人员伤亡。

带有压力的渗漏液体可能会穿透人体组织。 液体穿透进入身体会造成严重的人身伤害,甚至可能导致死亡。 即使是一个针孔大小的漏洞,也可能会引起严重的人身伤害。 如果液体喷射穿透您的皮肤,必须立即找熟悉这类型创伤的医生处置。

请使用木板或硬纸板作为挡板来检查渗漏。


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

突然移动车辆或释放油压会伤害车上或附近的人员。

为了避免发生可能的伤害,在测试和调节任何机器液压系统前,进行以下步骤。



注意

在检验、保养、测试、调整及维修发动机时,请小心确保盛接流出的液体。 在打开或拆解任何储有液体的部件之前,要准备好合适的容器收集液体。

有关适合收集和盛接卡特彼勒产品上的液体的工具和供应品,请参阅专门出版物, NENG2500, "卡特彼勒代理商工具目录"。

按照本地法规和条例处置所有液体。


  1. 将机器放在光滑、水平的表面上。 远离其它运转机器和人员。 将机具降放在地面。 将发动机起动开关转到 OFF(断开)位置。

  1. 机器上仅允许停留一位操作员。 让所有人员远离机器或在操作员的视野范围内。

  1. 接合停车制动器。 在车轮前后都塞上垫块。



    图 1g01178909

    转向机架锁处于 LOCKED(锁定)位置

  1. 把转向机架锁安装在 LOCKED(锁定)位置,因此机器不会铰接。

  1. 反复踩下制动踏板。 这样将释放可能存在于制动器液压系统的任何压力。

    注: 如果机器配备电子液压控制装置,在执行下一步骤前,将发动机起动开关钥匙转到 ON(接通)位置。

  1. 在整个行程范围内移动操纵杆。 这样将释放可能存在于机具液压系统的任何压力。 将提升操纵杆放在 HOLD(保持)位置。 将倾斜控制杆放在 HOLD(保持)位置。

  1. 如果机器配有电子液压控制装置,则将钥匙起动开关转到 OFF(断开)位置。

  1. 顺时针和逆时针旋转几下方向盘,释放转向系统的压力。



    图 2g01178917

    液压油箱

    (1) 断路器安全阀

  1. 为了释放液压油箱里的所有压力,向下按住断路器安全阀上的柱塞。 安全阀位于转向油箱的顶部。 液压油箱位于机器驾驶室后面。

    注: 如果机器未配备液压油箱断路器安全阀,可以逐渐移除液压油箱以降低油箱压力。

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