416D, 420D, 424D, 428D, 432D and 442D Backhoe Loaders Transmission (Autoshift) Caterpillar


Visual Inspection

Usage:

416D BGJ

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

高压喷射流体可造成人员伤亡。

高压喷射流体,即使是针孔大小的泄漏,也能穿透人体组织并造成严重的人员伤亡。 如果流体射入皮肤,必须立即寻求熟悉此类创伤的医生进行救治。

检查泄漏时,务必随身携带木板或硬纸板。



注意

在检验、保养、测试、调整及维修产品时,务必留心,确保液体盛装在容器中。 在打开任何腔室或拆解任何储有液体的部件之前,要准备好用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液体的工具及用品,参考专门出版物, NENG2500, "卡特彼勒工具和修理车间设备指南"。

按照当地法规和指令处置所有液体。


起动机器。 运转机器直至油液达到正常工作温度。 将作业机具降至地面。 降低稳定架。 接合停车制动器。 停止发动机。 将方向操纵杆移到空档位置。

目视检查期间,使用一块磁铁分离铁质材料和非铁质颗粒。

  1. 检查变速箱内的油位。 查找油尺上的空气(气泡)或水。 变速箱中的许多故障都可能是油位过低或油中混入空气造成的。 如果需要机油,向变速箱加注机油。

    1. 空气(气泡)通常由使空气进入系统吸入侧的松动的管或损坏的铸件导致。 空气泄漏将使机油泄漏。

  1. 查看所有机油管、软管和接头有无漏油或损坏。 从地面看机器底部是否有油迹。

  1. 将速度控制和方向控制操纵杆移入倒档和前进档以及所有速度档位置。 必须在每个速度档感觉到锁止。 方向控制启动必须在两个方向上为液压控制回路提供相同正极激活,以便离合器接合。

  1. 通过将油塞和盖板从变速箱右下侧拆下来排出变速箱壳体中的机油,从而进一步排出任何剩余的机油。 拆下并检查吸油滤网。 此外,检查变速箱壳体底部有无碎屑。 把变速箱油滤清器卸下,再检查变速箱油滤清器是否参入杂物。

    1. 橡胶颗粒说明密封件或软管出故障。

    1. 闪亮的钢颗粒说明变速箱或泵出现机械故障或齿轮磨损。

    1. 黑色纤维材料的大量积累表示离合器盘磨损。

    1. 铝颗粒物说明变矩器的离合器活塞出现故障。

    1. 铁或钢屑说明变速箱中有部件破损。

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