C2.6 and C3.3B Engines for Caterpillar Built Machines Caterpillar


Fuel Injection Nozzles - Remove and Install - C3.3B and C2.6

Usage:

242D A9W

拆卸步骤

开始:

  1. 拆下气门机构盖。

注: 请参阅技术规格 UENR0995"发动机设计",了解非指定的发动机扭矩值。



    图 1g02773456

  1. 拆下螺栓 (2) 和垫圈。 拆下管组件 (3)。

  2. 拆下螺栓 (1) 并按住喷油嘴 (4) 的卡箍 (5)。


    图 2g02773457

  3. 将喷油嘴 (4) 从缸盖上拆下。


    图 3g02773459

  4. 将座圈 (7) 从喷油嘴 (4) 上拆下。 拆下 O 形密封圈 (6)。 拆卸后,立即盖住或塞住所有开口。

    注: 拆卸后,不要继续使用座圈 (7) 和 O 形密封圈 (6)。 安装期间,将座圈和 O 形密封圈更换为新的零件。

安装步骤

  1. 按与拆卸相反的顺序安装喷油嘴 (4)。

    1. 将螺栓 (1) 拧紧至扭矩为 24 至 27 N·m (18 至 20 lb ft)

    2. 将螺栓 (2) 拧紧至扭矩为 10 至 11 N·m (89 至 97 lb in)

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