3408E and 3412E Engines for Caterpillar Built Machines Caterpillar


Piston Cooling Jets - Remove and Install

Usage:

769C 01X

拆卸步骤

表 1
所需工具 
工具  零件号  零件描述  数量 
A  9S-9082  发动机盘车工具 

开始:

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


注意

保持所有零件清洁无杂质。

杂质会造成快速磨损並縮短部件使用寿命。




    图 1g00580930
    典型实例

  1. 拆下螺栓 (1)。 从发动机上拆下活塞冷却喷嘴 (2)。 使用工具 (A) 按顺时针方向转动曲轴,以便接近各活塞冷却喷嘴。 对所有活塞冷却喷嘴重复该过程。

安装步骤

表 2
所需工具 
工具  零件号  零件描述  数量 
A  9S-9082  发动机盘车工具 
B  5P-8709  冷却喷嘴对准工具 


注意

保持所有零件清洁无杂质。

杂质会造成快速磨损並縮短部件使用寿命。




    图 2g00580930
    典型实例

  1. 使用工具 (B) 检查活塞冷却喷嘴 (2) 的对准。 请参阅专门说明书, SMHS7267, "使用 5P-8709 工具总成对准活塞冷却喷嘴",了解正确的对准步骤。

  2. 将活塞冷却喷嘴 (2) 安装到发动机上。 将螺栓 (1) 上紧到 25 ± 7 N·m (18 ± 5 lb ft) 的扭矩。 使用工具 (A) 按顺时针方向转动曲轴,以便接近各活塞冷却喷嘴。 对所有活塞冷却喷嘴重复该过程。

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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