C15 and C18 Industrial Engines Caterpillar


Nitrogen Oxide Sensor - Remove and Install

Usage:

C15 N5F

拆卸步骤

表 1
所需工具 
工具  零件号  零件描述  数量 
Loctite 镍基防咬合剂 

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

高温发动机部件可能导致灼伤。 进行发动机保养之前让发动机和部件冷却下来。




    图 1g03400949
    发动机排出氮氧化物传感器

  1. 断开传感器线束组件 (2)。

  2. 拆下固定线束组件的电缆扎带 (3)。

  3. 拆下螺栓 (2 )。

  4. 拆下氮氧化物传感器 (4)。


    图 2g03400950
    排放模块排出氮氧化物传感器

  5. 断开线束组件 (5)。

  6. 拆下电缆带 (3)。

  7. 拆卸螺栓 (1) 和 (4)。

  8. 拆下氮氧化物传感器 (2)。

安装步骤

注: 新的氮氧化物传感器经过预润滑。 不要在新的氮氧化物传感器上使用工具 (A)。 当安装现有氮氧化物传感器时,仅在螺纹上安装工具 (A)。

注: 有关氮氧化物传感器的更多信息,请参阅专门说明书, REHS8151, "氮氧化物传感器处理和安装步骤"

  1. 按照拆卸相反的顺序安装氮氧化物传感器 (2) 和 (4)。

    1. 将氮氧化物传感器 (4) 和 (9) 拧紧至扭矩为 50 ± 10 N·m (37 ± 7 lb ft)

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