C15 and C18 Generator Set Engines Caterpillar


Valve Mechanism Cover Base - Remove and Install

Usage:

C15 115

拆卸步骤

开始:

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


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. 将线束组件从气门机构盖底座上断开。


    图 1g01045841

  2. 拆下螺栓 (5)。 将线束组件 (4) 从气门机构盖底座 ( 1)上断开。 拆下接头密封 ( 6)。

  3. 将线束组件从电子单体喷油器 ( 11) 上断开。

  4. 拆下螺栓 (10)。 将气门机构盖底座 ( 1) 从缸盖上拆下。

  5. 将密封 (9) 从气门机构盖底座上拆下。

  6. 拆下线束组件的螺栓 ( 7) 和卡箍 (8)。

  7. 拆下线束组件的螺栓 ( 3) 和卡箍 (2)。

  8. 将线束组件从气门机构盖底座上拆下。

安装步骤

表 1
所需工具 
工具  零件号  零件说明  数量 
3S-6252  密封胶 
9S-3263  螺纹锁固胶 


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 2g01045841


    图 3g00579307
    拧紧次序

  1. 将工具 (B) 涂抹在螺栓 ( 7) 的螺纹上。 拆下线束组件的螺栓 ( 7) 和卡箍 (8)。

  2. 将工具 (B) 涂抹在螺栓 ( 3) 的螺纹上。 拆下线束组件的螺栓 ( 3) 和卡箍 (2)。

  3. 将线束组件安装在卡箍 ( 2) 和卡箍 (8) 中,以便将线束组件固定在气门机构盖底座的内侧。

  4. 将接头密封 (6) 和线束组件 ( 4) 安装在气门机构盖底座上。 安装螺栓 (5)。

    注: 安装接头密封时,使密封的弯曲部分紧贴气门机构盖底座。

  5. 将密封 (9) 安装在气门机构盖底座上。 将工具 (A) 涂抹在密封接头上。

  6. 将气门机构盖底座 ( 1) 在缸盖上安放到位并安装螺栓 ( 10)。 按照图 3 中显示的数字顺序拧紧螺栓至扭矩为 18 ± 3 N·m (13 ± 2 lb ft)

  7. 将线束组件在电子单体喷油器 ( 11) 上安置到位。 拧紧盖螺母至扭矩为 2.5 ± 0.25 N·m (22 ± 2 lb in)

  8. 将线束组件连接到气门机构盖底座上。

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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