773D, 773E, 775D and 775E Off-Highway Trucks Machine Systems Caterpillar


Hydraulic Filter (Parking Brake Release) - Remove and Install

Usage:

773D 7CS

拆卸步骤

表 1
所需工具 
工具  零件号  零件说明  数量 
A  185-3630  带式扳手组件 

开始:

  1. 安装车轮楔子。 请参阅拆解和组装, "车轮楔子(前和后)- 拆卸和安装"。


注意

在检查、保养、测试、调整及维修产品时,请小心确保盛接油液。 在打开任何舱室或拆卸任何含有油液的部件前,请准备好盛接液体用的适当容器。


------ 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。

卸下机具和其油路之前,必须先把机具放到地面上,让油先冷却,才可进行工作。 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。


    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. 排放液压油箱(举倾机构和制动器)。 请参阅操作和保养手册, "举倾机构和制动器油箱油 - 更换"。 液压油箱(举倾机构和制动器)的容量为 133 L (35 US gal)


    图 1g00551338

  2. 将适当的容器放到两个液压油缸 (1) 下方,用来盛装液压油,以便储存或废弃处理。

  3. 使用工具 (A) 拆下两个液压滤清器 (1)。

  4. 将软管组件 (2) 和 (3) 从液压滤清器底座组件上断开。


    图 2g00551341

  5. 将螺栓 (4) 和液压滤清器底座组件从机架组件上拆下。

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 3g00551341

  3. 将液压滤清器底座组件置于机架组件上。 安装三个螺栓 (4)。


    图 4g00551338

  4. 用手将液压滤清器 (1) 安装在液压滤清器底座组件上。 使用工具 (A) 确保液压滤清器 (1) 与液压滤清器底座组件接触。

  5. 将软管组件 (3) 和 (2) 连接至液压滤清器底座组件。

  6. 重新加注液压油箱(举倾机构和制动器)。 有关加注液压油箱(举倾机构和制动器)的正确步骤,请参阅操作和保养手册, "举倾机构和制动器油箱油 - 更换"。

结束:

  1. 取走车轮楔子。 请参阅拆解和组装, "车轮楔子(前和后)- 拆卸和安装"。

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