299D2 and 299D2 XHP Compact Track Loaders, 297D2 and 297D2 XHP Multi Terrain Loaders and 272D2 and 272D2 XHP Skid Steer Loaders Machine Systems Caterpillar


Piston Pump - Remove and Install - Standard Flow

Usage:

272D2 BL2

拆卸步骤

开始:

  1. 释放液压系统压力。

  2. 升起提升臂。

  3. 倾斜驾驶室。

------ 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。


  1. 排放液压油箱。 请参阅操作和保养手册, "液压系统油 - 更换",以了解正确的排放和加注程序。


    图 1g03739264

  2. 断开软管组件 (1) 和软管 (3)。 拆下螺栓 (2 )。 由两个人拆下活塞泵 (4)。 活塞泵 (4) 的重量约为 22 kg (49 lb)

安装步骤

  1. 按与拆卸相反的顺序安装活塞泵 (4)。

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