C3.3B Engines for Caterpillar Built Machines Caterpillar


Diesel Particulate Filter - Remove and Install

Usage:

236D BGZ

拆卸步骤

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

在处理用过的柴油微粒滤清器或催化转化器消声器时,请配戴护目镜、手套、防护服以及经过职业安全与健康管理局(NIOSH)批准的 P95 或 N95 半面式防尘面罩。 否则可能造成人身伤害。


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

消声器、催化转化器/消声器及柴油微粒滤清器在发动机运转期间温度极高。 高温消声器、催化转化器/消声器及柴油微粒滤清器会造成严重的灼伤。 在消声器、催化转化器/消声器及柴油微粒滤清器上及其附近工作之前应留出足够的冷却时间。



注意

不要敲打柴油颗粒滤清器(DPF)组件的任何部位。 不要让任何物体接触 DPF 的内芯。 如果 DPF 的内芯损坏,必须更换组件。




    图 1g03337191

  1. 断开线束 (1)。


    图 2g03337204

  2. 拆下螺栓 (2) 和螺栓 (3)。 将线束组件 (4) 从压力传感器上断开。


    图 3g03337226

  3. 将螺栓 (5) 从 DPF 安装支架上拆下。


    图 4g03337243

  4. 由两个人一起拆卸柴油微粒滤清器 (6)。


    图 5g03337246

  5. 拆下温度传感器 (7)。 拆下压力传感器 (8) 和管组件 (9)。

安装步骤

  1. 按与拆卸相反的顺序安装柴油微粒滤清器 (6)。

    1. 拧紧螺栓 (5) 至扭矩为 52 ± 3 N·m (38 ± 2 lb ft)

    2. 拧紧传感器 (7) 至扭矩为 30 ± 4 N·m (22 ± 3 lb ft)

    3. 将管组件 (9) 拧紧至扭矩为 19 ± 3 N·m (168 ± 27 lb in)

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