C15 and C18 Generator Set Engines Caterpillar


Connecting Rod Bearings - Install

Usage:

C15 115

安装步骤

表 1
需要的工具 
工具  零件号  零件名称  数量 
9S-9082  发动机盘车工具 
8T-3052  度数轮 


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: 当间隙检查完成后,安装连杆轴承,并保持干燥。 请参阅拆解和组装, "轴承间隙 - 检查"。 为了便于最终组装,在连杆轴承上涂敷清洁的发动机机油。



    图 1g00998730

  1. 使用工具 (A)转动曲轴,直到连杆轴颈位于底部中央。

  2. 在连杆轴承盖 (2)里安装一个新的连杆轴承 (3)下半部分。

    注: 确保轴承锁舌 (4)位于连杆轴承盖的凹槽中。

  3. 将新的连杆轴承上轴瓦安装到连杆中。

    注: 确保轴承锁舌位于连接杆的凹槽中。

  4. 把连杆拉到曲轴上。


    图 2g01016640

  5. 将连杆轴承盖 (2) 安置在连杆上。

    注: 确保连杆轴承盖一侧的数字和连接杆上的数字在同一侧。 连杆轴承盖及连杆上的轴承凸舌都位于活塞冷却喷嘴侧。

  6. 用干净的发动机机油润滑螺栓 (1)的螺纹。 安装螺栓。

  7. 按照以下的方法拧紧螺栓 (1):

    1. 拧紧螺栓 (A) 和螺栓 (C) 至扭矩为 70 ± 4 N·m (52 ± 3 lb ft)

    2. 拧紧螺栓 (B) 和螺栓 (D) 至扭矩为 70 ± 4 N·m (52 ± 3 lb ft)

    3. 把螺栓 (B)和 (D)再次旋转60 ± 5度( 1/6 圈)。

      注: 如果没有使用工具 (B),应在每个螺栓上加索引标记。

    4. 再拧紧螺栓 (A) 和螺栓 (C) 至扭矩为 70 ± 4 N·m (52 ± 3 lb ft)

    5. 再拧紧螺栓 (A) 和螺栓 (C) 60 ± 5 度(1/6 圈)。

      注: 如果没有使用工具 (B),应在每个螺栓上加索引标记。

    6. 转动曲轴,以便确保曲轴能转动自如。

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"。

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