C175-16 PETROLEUM ENGINES Caterpillar


Air Shutoff - Remove and Install

Usage:

C175-16 P5P

拆卸步骤


注意

保持所有零件清洁无杂质。

杂质会造成快速磨损並縮短部件使用寿命。


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

弹簧加压的零件和/或盖板可能导致人身伤害。

拆卸盖板时弹簧力将被释放。

松动螺栓时做好准备把持住弹簧加载的盖板。


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

如果不遵循正确的程序或不使用推荐的工具,可能会对人员造成伤亡。

为避免对人员造成伤亡,应使用推荐的工具遵循已经制定好的程序。


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

在拆下进气切断装置前,拉动进气切断装置上的跳开关旋钮或按下紧急停止按钮,以释放叶片锁闩。 如果在拆下进气切断装置后释放叶片锁闩,可能导致严重的人身伤害。


  1. 手动释放空气切断阀。 拉动以释放空气切断阀上的旋钮。 确保空气切断阀上的指示器径直向下指向"关闭"位置。 如果空气切断阀不触发,请参阅故障诊断与排除, "空气切断阀系统"。


    图 1g02405236

  2. 断开线束组件 (3)。

  3. 将适当的起吊设备连接到弯头 (2) 上。 拆下螺栓 (1) 和垫圈。 拆下螺栓 (8) 和 (7)。 拆下弯头 (2)。

  4. 将管组件 (5) 从空气切断阀 (6) 上断开。

  5. 断开线束组件 (4)。 拆下进气歧管上的卡箍组件 (9)。

  6. 拆下空气切断阀 (6) 和密封垫。

    注: 检查进气管中有无碎屑。

  7. 对发动机的另一侧重复此步骤。

安装步骤


注意

保持所有零件清洁无杂质。

杂质会造成快速磨损並縮短部件使用寿命。


  1. 按与拆卸相反的顺序安装空气切断阀 (6)。

  2. 复位空气切断阀上的指示器。 确保指示器上的箭头径直向上指向"打开"位置。

  3. 测试空气切断阀 (6) 是否正常工作,并参阅操作和保养手册, "空气切断阀"。

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