C15 and C18 Engines for Caterpillar Built Machines Caterpillar


DEF Injector and Mounting - Remove and Install

Usage:

826K 232

拆卸步骤

表 1
所需工具    
工具     零件号     零件描述     数量    
A     385-1861     接头插头     2    
B     -     LOCTITE 镍防咬合剂     -    



    图 1g02797570

  1. 断开线束组件 (1) 。 断开软管组件 (2) 。 使用工具 (A) 盖住软管组件 (2) 。



    图 2g02797593



    图 3g03711877

  1. 拆下螺栓 (3 ) 。

  1. 拆下 DEF 喷油器组件 (5) 和垫片 (4) 。 废弃 DEF 喷油器组件 (5) 的垫片 (4) 和密封件 (6) 。

安装步骤

  1. 按与拆卸相反的顺序安装 DEF 喷油器组件 (5) 。

    注: 为保持清洁,必须将保护盖保留到位,直到完成最终的油液连接。

    注: 安装密封垫 (4) ,使金属朝向柴油机废气滤清器总成。

    1. 使用新的垫片更换垫片 (4) 。 使用新的密封件更换密封件 (6) 。

    1. 将工具 (B) 涂抹在螺栓 (3) 的螺纹上。

    1. 将螺栓 (3) 拧紧至扭矩为 5.0 ± 0.5 N·m (44 ± 4 lb in)。

    1. 将螺栓 (3) 重新拧紧至扭矩为 5.0 ± 0.5 N·m (44 ± 4 lb ft)。 额外转动 90°±5°。

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