G3304B and G3306B Engines Caterpillar


Catalytic Converter Substrate - Replace

Usage:

G3304B A4E

拆卸

  1. 在催化组件外部和进口和出口部分外部贴上标签。 显示通过催化转化器的排气的流动方向。

    注: 当安装这些部分时,维持排气流动的原有方向。 这些部分必须维持排气流动的原有方向,以遵守排气标准。




    图 1g02789157

    典型的催化转化器

    (1) 凸台

    (2) 带箍

    (3) 锥组件

    (4) 催化剂载体

    (5) 管塞:

  1. 拆下将锥组件连接到排气管路的螺栓。

  1. 拆下凸台。

  1. 拆下带箍。

  1. 从锥组件上分开各催化剂载体并相互分开。 拆下密封垫。 使用后应丢弃密封垫。 安装时应使用新密封垫。

  1. 如有需要,从锥组件上拆下管塞。

安裝

  1. 按与拆卸相反的顺序安装催化剂载体。

    1. 将凸台与 6 点钟位置对齐。

    1. 在管塞上涂抹 4C-5599 防咬合剂 。 拧紧管塞 (4) 至扭矩为 29 N·m (21 lb ft)。

    1. 将带箍与 12 点钟位置对齐。 将带箍拧紧至扭矩为 17.0 ± 1.2 N·m (150 ± 11 lb in)。

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