C15 and C18 Engines for Caterpillar Built Machines Caterpillar


Exhaust Cooler (NRS) - Remove and Install

Usage:

826K 232

拆卸步骤

表 1
所需工具 
工具  零件号  零件描述  数量 
Loctite C5-A 铜基抗咬合润滑剂 
207-1601  橡胶润滑剂 

  1. 排空冷却液。 请参阅操作和保养手册, "冷却系统冷却液(ELC)- 更换"以了解正确的排放和加注步骤。


    图 1g01842813

  2. 拆下卡箍组件 (3)。

  3. 拆下螺栓 (2) 和 (6)。 拆下管组件 (4)。

  4. 如果配备,拆下管组件 (5)。

  5. 将卡箍组件 (1) 从排气冷却器的两侧拆下。


    图 2g02485398

    注: NRS 冷却器卡箍组件 (9) 仅供一次性使用。 废弃使用过的卡箍组件 (9)。

  6. 拆下弯管 (10)。

  7. 拆下螺栓 (8)。 拆下并废弃卡箍组件 (9)。 由两人拆下排气冷却器 (7)。 排气冷却器 (7) 的重量约为 18 kg (40 lb)

安装步骤

    注: 检查 O 形密封圈、垫片和密封件有无磨损或损坏。 如有必要,请更换部件。

  1. 按与拆卸相反的顺序安装排气冷却器 (7)。

    1. 将工具 (B) 涂抹到弯头 (10) 的孔上。


      图 3g02485236

      注: NRS 冷却器卡箍组件 (9) 仅供一次性使用。 废弃使用过的卡箍组件 (9)。

    2. 安装新的卡箍组件 (9) 时,确保卡箍隔套 (9a) 圆边的方位如图中所示。

    3. 将螺栓 (8) 上紧到 40 ± 5 N·m (30 ± 4 lb ft) 的扭矩。

    4. 将工具 (A) 涂抹到卡箍组件 (1) 和 (5) 的螺纹上。 将卡箍组件 (1) 和 (5) 上紧到 7.5 ± 1 N·m (66 ± 9 lb in) 的扭矩。

    5. 利用要密封的润滑剂润滑管组件 (4) 上的 O 形密封圈。

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