69D and 769D Off-Highway Trucks and 771D Quarry Truck Machine Systems Caterpillar


Check Valve (Air/Hydraulic Cylinder) - Remove and Install

Usage:

769D 5SS

拆卸步骤

开始:

  1. 释放气罐中的空气压力。 请参阅拆解和组装, "气罐(制动器)- 排气"。

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

拆下压力系统上的软管或接头会造成人身伤害。

如果不释放压力,也会造成人身伤害。

切勿在空气系统中的压力尚未释放完之前拆下或断开软管或接头。




    图 1g00503407

    注: 将盖和塞安装在全部孔口上,以免污垢或碎屑进入系统。 清洁度是一项重要的因素。 拆卸步骤开始之前,应彻底清洁部件外部。 这将防止脏污进入内部部件。

  1. 从单向阀 (1) 上断开两个软管组件 (2)。

  2. 将单向阀 (1) 从气/液压油箱上拆下。

  3. 将两个弯头和螺纹接头从单向阀 (1) 上拆下。

安装步骤

  1. 检查所有 O 形密封圈和部件有无磨损或损坏。 如有必要,请更换部件。

  2. 利用所密封的润滑剂轻轻润滑所有 O 形密封圈。


    图 2g00503407

  3. 将两个弯头和螺纹接头安装至单向阀 (1)。

  4. 将单向阀 (1) 置于气/液压油箱上。

  5. 将两个软管组件 (2) 连接到单向阀 (1) 上。

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