C9 Engines for Caterpillar Built Machines Caterpillar


Crankshaft - Install

Usage:

TK711 101

安装步骤

表 1
所需工具 
工具  零件号  零件描述  数量 
439-3940  支架组件 


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。



注意

确保曲轴主轴承锁片与缸体和曲轴主轴承盖中的槽相互啮合。




    图 1g03672923

  1. 在曲轴 (4) 上固定工具 (A) 和适当的起吊设备。 曲轴 (4) 的重量约为 79 kg (175 lb)。 对齐正时标记,并在缸体中定位曲轴 (4)。

  2. 在止推板上涂抹清洁的发动机机油,并在缸体中安装止推板。


    图 2g03672920

  3. 安装连杆盖 (1) 和曲轴主轴承盖 (2)。

  4. 按照下述程序拧紧连杆盖螺栓 (1):

    1. 将各螺栓拧紧至扭矩为 50 ± 5 N·m (37 ± 3 lb ft)

    2. 在每个螺栓上做一个指示标记。 将每个螺栓都再拧紧90 ± 5度(1/4圈)。

  5. 按照下述程序拧紧曲轴主轴承盖螺栓 (2):

    1. 将各螺栓拧紧至扭矩为 95 ± 5 N·m (70 ± 4 lb ft)

    2. 在每个螺栓上做一个指示标记。 将每个螺栓都再拧紧90 ± 5度(1/4圈)。

  6. 安装活塞冷却喷嘴 (3)。

结束:

  1. 安装发动机机油泵。 请参阅拆解和组装, "发动机机油泵 - 安装"。

  2. 安装飞轮壳体。 请参阅拆解和组装, "飞轮壳体 - 拆卸和安装"。

  3. 安装前壳体。 请参阅拆解和组装, "壳体(前) - 安装"。

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