C4.4 Engines for Caterpillar Built Machines Caterpillar


Glow Plugs - Remove and Install

Usage:

C4.4 2W2

拆卸步骤


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. 将蓄电池断路开关转到断开位置。


    图 1g03687530

  2. 将螺母 (3) 从母线 (1) 的螺柱上拆下。 断开导线 (4)。

  3. 拆下将母线 (1) 固定到电热塞上的螺母 (2)。

  4. 将母线 (1) 从电热塞上拆下。


    图 2g03687556

  5. 清洁电热塞 (5) 周围的区域。 拆卸电热塞之前,确保该区域无污染。

  6. 从缸盖 (6) 上拆下电热塞 (5)。

安装步骤

表 1
所需工具 
工具  零件号  零件描述  数量 
247-5377  扭矩螺钉起子 


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。




    图 3g03687556

  1. 安装电热塞 (5) 之前,确保电热塞操作正确。 有关正确的步骤,请参阅故障诊断与排除, "电热塞起动辅助 - 测试"“检查电热塞的操作情况”。

  2. 确保电热塞的螺纹清洁、无损坏。 更换所有损坏的电热塞。

  3. 将电热塞 (5) 安装到缸盖 (6) 中。 拧紧电热塞至扭矩为 15 N·m (132 lb in)


    图 4g03687530

  4. 将母线 (1) 安置在电热塞 (5) 上。 将螺母 (2) 安装到电热塞上。

  5. 使用工具 (A) 拧紧螺母 (2) 至扭矩为 2 N·m (17 lb in)

  6. 将导线 (4) 连接到母线 (1) 的螺柱上。

  7. 将螺母 (3) 安装到母线 (1) 的螺柱上。 拧紧螺母至扭矩为 6 N·m (53 lb in)。 拧紧螺母 (3) 前,确保导线 (4) 正确定位在 30 度。

  8. 将蓄电池断路开关转到接通位置。

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