C0.5, C0.7, C1.1, C1.5, C1.6 and and C2.2 Industrial Engines Caterpillar


Connecting Rod Bearings - Install - Connecting rods in position

Usage:

C0.5 C6F

安装步骤


注意

保持所有零件清洁无杂质。

杂质会造成快速磨损和缩短部件寿命。


  1. 检查曲轴销有无损坏。 如有曲轴损坏,更换曲轴或修复曲轴。 请参阅拆解和组装, "曲轴 - 拆卸"和拆解和组装, "曲轴 - 安装"。 确保连杆轴承清洁、无磨损或损坏。 如有必要,更换连杆轴承。


    图 1g01317759
    典型示例

  2. 清洁连杆 (1) 的轴承表面和连杆盖 (5)。 确保连杆盖 (5) 上的数字 (X) 与连杆 (1) 上的数字 (X) 相符。

  3. 将上连杆轴承 (3) 安装到连杆 (1) 上。 用清洁的发动机机油润滑连杆轴承的轴承表面。

  4. 小心地拉动连杆 (1),使其抵到曲轴销上。

    注: 在连杆螺栓 (2) 上用胶带或橡胶管保护曲轴轴颈。 连杆螺栓的锋利边缘会损坏曲轴轴颈。

  5. 清洁连杆盖。 将下连杆轴承 (4) 安装到连杆盖 (5) 上。

  6. 使用清洁的发动机机油润滑曲柄销和连杆轴承下轴瓦 (3)。


    注意

    在已安装了连杆盖后,确保对准识别标记。


  7. 安装连杆盖 (5)。

  8. 安装螺母 (4)。

    对于 C0.5 和 C0.7 发动机,将螺母 (4) 紧固至扭矩 23 N·m (16 lb ft)

    对于 C1.1 和 C1.6 发动机,将螺母 (4) 紧固至扭矩 32 N·m (24 lb ft)

    对于 C1.5 和 C2.2 发动机,将螺母 (4) 紧固至扭矩 52 N·m (38 lb ft)

  9. 确保连杆组件安装后有能感觉到的侧隙。 小心地转动曲轴,确保没有卡滞。

    注: 如果需要更换四缸发动机上的所有连杆轴承,可以同时在两个气缸上进行本步骤。 本程序可在下列气缸配对上同时进行。 1 与 4 和 2 与 3。 确保在从一对气缸换到另一对气缸之前安装完两对连杆轴承。 有关更多资料,请参阅拆解和组装, "连杆轴承 - 拆卸"。

结束:

  1. 安装吸油管。 请参阅拆解和组装, "发动机机油泵 - 安装"。

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