797F and 797F XQ Off-Highway Trucks Machine Systems Caterpillar


Piston Pump (Brake Cooling) - Remove and Install

Usage:

797F LAJ

拆卸步骤

开始:

  1. 拆下齿轮泵(制动器、后桥润滑)。

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

滚热的油或液压油的压力会对人员造成伤害。

发动机停机之后,液压油的压力仍会保留在液压系统里。 对液压系统进行维修之前,如果不事先释放压力,可能会造成严重伤害。

卸下液压系统的部件或管路时,确保所有的作业机具都已降到地面上,而且液压油温度已冷。 只能在发动机停机,并且加注口盖冷却到可以用徒手触摸时才能卸下加注口盖。





    图 1g02149689

  1. 断开管组件 (1) 。 断开软管组件 (2) 。



    图 2g02149693

  1. 拆下管组件 (3) 。



    图 3g02149695

  1. 将适当的起吊设备固定到活塞泵 (4) 上。 活塞泵 (4) 的重量约为 79 kg (174 lb)。

  1. 卸下螺栓 (5) 。 拆下活塞泵 (4) 。



    图 4g02149699

  1. 拆下 O 形密封圈 (6) 。

安装步骤

  1. 按相反顺序安装活塞泵 (4) 。

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