3408E and 3412E Engines for Caterpillar Built Machines Caterpillar


Hydraulic Pump Drive

Usage:

769C 01X



图 1g01554321

(1) 使用润滑剂稍微润滑要密封的 O 形密封圈孔。

(2) 安装轴组件前,先用清洁发动机机油润滑机油驱动齿轮的轴和轴承孔。

(3) 用清洁发动机机油稍微润滑止推片。

(4) 安装轴组件前,先用清洁发动机机油润滑轴组件的轴和轴承孔。




图 2g01554333

A-A 视图

使用以下步骤来拧紧单体喷油器液压泵驱动的螺栓:

  1. 拧紧四个螺栓 (5) 至扭矩为 5 ± 3 N·m (45 ± 27 lb in)。

  1. 安装销 (6) 并将销拧紧至扭矩为 105 ± 10 N·m (75 ± 7 lb ft)。

  1. 再次拧紧四个螺栓 (5) 至扭矩为 55 ± 7 N·m (41 ± 5 lb ft)。

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