3500B Engines Caterpillar


Air Inlet and Exhaust Lines

Usage:

3508B 7SM



图 1g01679613

右视图

(1) 用甘油或经认可的等效物润滑 O 形密封圈孔。




图 2g01614754

螺栓拧紧顺序

(2) 采用以下步骤紧固后冷器组件的螺栓:

  1. 将密封组装到后冷器芯上。

  1. 临时用胶带将底部密封固定在后冷器上。 不要使用粘接剂、硅润滑剂或任何其它润滑剂来固定密封。

  1. 将装了密封的后冷器组装到进气歧管上。

  1. 检查底部密封,以确保密封正确座入凹槽内。

  1. 安装后冷器盖。

  1. 检查顶部密封,以确保密封正确座入凹槽内。

  1. 安装盖螺栓。 用手拧紧盖螺栓。

  1. 按数字顺序拧紧螺栓至 24 N·m (18 lb ft) 的扭矩。

  1. 按数字顺序拧紧螺栓至 47 N·m (35 lb ft) 的扭矩。

  1. 拆下胶带。

注: 4C-5599 防粘结剂 润滑螺塞螺纹。

(3) 3 只螺塞的扭矩 ... 20 ± 5 N·m (15 ± 4 lb ft)

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