3176C and 3196 Engines For Caterpillar Built Machines Caterpillar


Engine Oil Pan - Remove and Install

Usage:

140H 126

拆卸步骤

------ WARNING! ------

热油和热的部件可能会导致人身伤害。

不要让热油或热的部件与皮肤接触。



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

在进行检验、保养、测试、调整及维修产品期间,必须小心以确保装好排放出的油液。 在打开任何舱室或解体任何储有液体的部件之前,要准备好合适的容器收集液体。

有关收集和盛接 Cat 产品上油液的适用工具和用品,请参阅专门出版物, NENG2500, "代理商维修工具目录"。

按照当地法规和要求处置所有液体。


  1. 将发动机机油排入合适的容器以便保存或弃置。


    图 1g00516290
    典型示例

  2. 拆下螺栓 (2) 和垫圈。 拆下降噪盖 (1)(如有配备)。


    图 2g01022237
    典型示例

  3. 拆下缸体上的下列零件:螺栓 (5)、垫圈、隔离器和隔离器套管。

  4. 拆下发动机油底壳 (6) 和垫片。

  5. 必要时拆下管道螺塞 (3) 和排放螺塞 (4) 以及 O 形密封圈。

安装步骤

表 1
所需工具 
工具  零件号  零件描述  数量 
 
(-) Loctite 5900 
Loctite 243 
Loctite 243 


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. 检验密封垫的状况。 必要时,更换垫片。

  2. 清理发动机油底壳和缸体的配合面。

    注: 安装前,将工具 (A) 涂抹到缸体边缘和接缝处。



    图 3g01022237
    典型示例

  3. 在缸体上安放一个密封垫和发动机油底壳 (6)。

  4. 安装下列项:隔离件套筒、隔离件、螺栓 (5) 和垫圈。

    注: 执行下列步骤以便消除从发动机油底壳螺栓漏油的可能性:



      图 4g01022239

      注: 漏油是经由发动机油底壳螺栓 (8) 的螺纹而产生的。 发动机右侧发动机缸体 (7) 前部的第三个螺栓为可疑螺栓。

    1. 清洁及干燥螺栓孔。

    2. 清洁及干燥油底壳螺栓。

    3. 将工具 (B) 或工具 (C) 涂抹在螺栓螺纹上。

    4. 安装油底壳螺栓并将螺栓紧固至扭矩 55 ± 10 N·m (40 ± 7 lb ft)

  5. 从所有密封垫接头上擦去多余的工具 (A)。 使用平直工具来清除密封剂。

  6. 将工具 (C) 应用到管道螺塞 (3) 上。 安装管道螺塞 (3) 。 拧紧螺塞至扭矩为 80 ± 11 N·m (60 ± 8 lb ft)

  7. 安装排放塞 (4) 和 O 形密封圈。 拧紧螺塞至扭矩为 70 ± 15 N·m (50 ± 11 lb ft)


    图 5g00516290
    典型示例

  8. 将降噪盖 (1)定位在发动机油底壳上并安装六个螺栓 (2) 及垫圈。

  9. 向发动机加注机油到正确的油位。 请参阅操作和保养手册,了解正确的加注步骤。

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