C15 and C18 Engines for Caterpillar Built Machines Caterpillar


Valve Actuator (Variable) - Install

Usage:

631E 1AB

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 1g01446248


    图 2g01446408

  1. 将两个螺柱 (9) 安装在位置 6 和位置 7 处。 拧紧螺柱 (9) 至扭矩为 47 ± 9 N·m (35 ± 7 lb ft)

  2. 将螺柱 (10) 安装在位置 2 处。 拧紧螺柱 (10) 至扭矩为 65 ± 10 N·m (48 ± 7 lb ft)。 安装支承 (11)。

  3. 安置摇臂组件 (8)。 将三个螺柱 (7) 安装在位置 3、位置 4 和位置 5 处。 拧紧螺柱 (7) 至扭矩为 50 ± 5 N·m (37 ± 4 lb ft)。 再转动螺柱 (7) 45 ± 5 度。


    图 3g01446246

  4. 安装可变气门执行器 (5)。

  5. 安装螺栓 (2)。 安装四个螺母 (3)。 安装两个螺母 (6)。 请参照紧固顺序。

  6. 拧紧螺栓 (2) 至扭矩为 105 ± 20 N·m (77 ± 15 lb ft)。 拧紧螺母 (3) 至扭矩为 105 ± 20 N·m (77 ± 15 lb ft)。 拧紧螺母 (6) 至扭矩为 47 ± 9 N·m (35 ± 7 lb ft)。 按照数字顺序依次拧紧螺母和螺栓。

  7. 连接线束组件 (4)。 将线束组件 (1) 连接到可变气门执行器 (5) 上。


    图 4g01446444

  8. 先调整排气门上的间隙,然后调整可变气门执行器 (5) 上的压缩制动器。 有关压缩制动器间隙调整的更多资料,请参阅测试和调整, "压缩制动器间隙 - 调整"。 拧紧锁紧螺母 (12) 于扭矩为 15 ± 3 N·m (11 ± 2 lb ft)

结束:

  1. 安装气门机构盖。 请参阅拆解和组装, "气门机构盖 - 拆卸和安装"。

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