C4.4 Engines for Caterpillar Built Machines Caterpillar


Turbocharger - Install - Side Mounted Turbocharger

Usage:

C4.4 2W2

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。




    图 1g03678813


    图 2g03678817

  1. 确保涡轮增压器 (1) 清洁、无损坏。 检查涡轮增压器有无磨损。 更多信息请参阅系统操作、测试和调整, "涡轮增压器检查"。 如果涡轮增压器磨损,必须更换整个涡轮增压器。

  2. 测试废气旁通阀执行器 (15) 是否正常工作。 请参阅系统操作、测试和调整, "涡轮增压器检查"。 如果废气旁通阀执行器损坏或不在规定限制范围内工作,必须更换涡轮增压器组件。

  3. 清洁排气器官和涡轮增压器 (1) 的密封垫表面。

  4. 如有必要,将螺柱 (5) 安装到排气歧管上。 将工具 (B) 涂抹到螺柱 (5) 的螺纹上。 拧紧螺柱至扭矩 18 N·m (159 lb in)

  5. 将密封垫 (6)(未显示)放到螺柱 (5) 上。

  6. 将涡轮增压器 (1) 安装到排气歧管上。

  7. 安装螺母 (4)。 拧紧螺母至扭矩为 44 N·m (32 lb ft)

  8. 确保管组件 (9) 和管组件 (12) 清洁、无损坏和阻塞。 更换任何损坏的部件。

  9. 将新密封垫 (14)(未显示)和螺栓 (13) 定位到管组件 (9) 上。

  10. 将管组件 (9) 放置到缸体上,然后用手拧紧螺栓 (13)。

  11. 将新密封垫 (7)(未显示)和螺栓 (8) 定位到管组件 (9) 上。 用手拧紧螺栓 (13)。

  12. 拧紧螺栓 (8) 至扭矩为 22 N·m (194.7 lb in)

  13. 拧紧螺栓 (13) 至扭矩为 22 N·m (194.7 lb in)

  14. 使用通过机油进口的清洁发动机机油润滑涡轮增压器轴承,请参阅图 2。 将压缩机叶轮转动几次以便润滑轴承。

  15. 将新的密封垫圈 (3)(未显示)定位到中空螺栓 (2) 上。 将中空螺栓安装到管组件 (12),然后将其余新密封垫 (3)(未显示)安装到中空螺栓。

  16. 将管组件 (9) 安装到涡轮增压器 (1) 上。 用手拧紧中空螺栓。

  17. 将新密封垫圈 (11)(未显示)定位到中空螺栓 (10) 上。 将中空螺栓安装到管组件 (12),然后将其余新密封垫 (3)(未显示)安装到中空螺栓。

  18. 将管组件 (12) 安装到缸体上。 用手拧紧中空螺栓。

  19. 拧紧中空螺栓 (2 )和中空螺栓 (10) 至扭矩为 18 N·m (159.3 lb in)

  20. 将管组件 (16) 安装到执行器 (15) 上。

  21. 如果涡轮增压器有排气弯管,应安装排气弯管。 有关正确的步骤,请参阅拆解和组装, "排气弯头 - 拆卸和安装"。

  22. 连接排气管组件。 有关正确步骤,请参阅原始设备制造商(OEM)信息。

  23. 将软管组件连接到涡轮增压器进口和涡轮增压器出口。 有关正确的步骤,请参阅 OEM 信息。

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