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


Control Valve (Work Tool) - Remove and Install - Standard Flow

Usage:

272D2 BL2

拆卸步骤

------ 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 1g02900678

  1. 升起提升臂,并定位油缸支架 (1)。

  2. 倾斜驾驶室。


    图 2g03339281

  3. 断开线束组件 (2)、软管 (3)、线束组件 (4) 和软管组件 (5)。


    图 3g03339339

  4. 断开软管 (6)。


    图 4g03339358


    图 5g03339362

  5. 使用适当的起吊设备支撑控制阀 (7) 的重量。 控制阀 (7) 的重量约为 32 kg (71 lb)

  6. 拆下螺栓 (8)。 需要两名人员一起拆卸控制阀 (7)。 控制阀的重量约为 32 kg (71 lb)

安装步骤

  1. 按与拆卸相反的顺序安装控制阀 (7)。

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