C3.4B Engines for Caterpillar Built Machines Caterpillar


Throttle Valve (Intake Air) - Remove and Install - Rear Facing Inlet Elbow

Usage:

CCS7 4B2

拆卸步骤



    图 1g02906277


    图 2g02906317

  1. 松开软管卡箍,并将软管组件从弯头 (1) 上断开。

  2. 将锁片滑入解锁位置,并将线束组件 (7) 从节气门 (8) 上断开。

  3. 松开软管卡箍 (2),然后将软管组件 (4) 从弯头 (1) 上断开。

  4. 将螺栓 (5) 和螺母 (3) 从弯头上拆下。

  5. 将进气弯头从螺柱 (9) 上拆下。

  6. 拆下密封垫 (6)(未显示)。

  7. 将节气门 (8) 从螺柱 (9) 上拆下。

  8. 拆下密封垫 (6)(未显示)。

  9. 如有必要,卸下螺柱 (9)。 有关正确步骤,请参阅拆解和装配, "进气歧管 - 拆卸和安装"。


    图 3g02906404

  10. 如有必要,将适配器 (12) 和密封垫圈 (11) 从弯头 (1) 上拆下。

安装步骤

  1. 检查所有部件有无磨损和损坏。 如有必要,更换所有磨损或损坏的部件。


    图 4g02906404


    图 5g02906317


    图 6g02906277

  2. 如有必要,安装螺柱 (9) 。 有关正确步骤,请参阅拆解和装配, "进气歧管 - 拆卸和安装"。

  3. 如有必要,将新密封垫圈 (11) 安装到适配器 (12) 上。 拧紧适配器至扭矩为 20 N·m (177 lb in)

  4. 将密封垫 (10) 安装到螺柱 (9) 上。

  5. 将节气门 (8) 安装到螺柱 (9) 上。

  6. 将密封垫 (6) 安装到螺柱 (9) 上。

  7. 将弯头 (1) 安装到螺柱 (9) 上。

  8. 安装螺栓 (5) 并用手拧紧。

  9. 安装螺栓 (3) 并用手拧紧。

  10. 拧紧螺栓 (5) 和螺母 (3) 至扭矩为 10 N·m (89 lb in)

  11. 将软管卡箍 (2) 定位到软管组件 (4) 上。 将软管组件 (4) 安装到适配器 (12) 上,并牢固拧紧软管卡箍 (2)。

  12. 将线束组件 (7) 安装到节气门 (8) 上。 将锁片滑入锁定位置。

  13. 将卡箍安装到进气软管上,并将进气软管连接到弯头 (1) 上。

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