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


Accumulator (Steering) - Remove and Install

Usage:

797F LAJ

拆卸步骤

表 1
所需工具    
工具     零件号     零件描述     数量    
A     FT-1114     真空舱     1    
B     1U-9200     杠杆式拉拔举倾机构总成     1    

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

高温机油或高温部件可能会导致人身伤害。

在工作温度下,机油温度高,压力高。 热油能造成烫伤。

只能在发动机停机且加注口盖充分冷却到可以徒手触及时再卸下加注口盖。

不让高温油或部件与皮肤接触。


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

突然释放高压机油可能会导致人身伤害。

一定要关闭发动机至少五分钟,保证蓄能器压力为零。

蓄能器充满干氮气。不要松开蓄能器顶部的阀或卸下盖。


  1. 如果配备有抑噪配置,则请参阅专门说明书, " 351-3820 抑噪配置(如有配备)的安装",了解专用面板位置和正确的拆卸或安装步骤。

  1. 释放系统压力。 请参阅操作和保养手册, "系统压力释放"。

  1. 将工具 (A) 安装到液压油箱上。 将一条供气软管连接到工具 (A) 上。 施加 276 至 414 kPa (40 至 60 psi) 的压力,以便使液压系统抽吸出真空。



    图 1g02139148

  1. 断开线束组件 (1) 和软管组件 (2) 。



    图 2g02139199

  1. 将工具 (A) 和适当的起吊设备连接到蓄能器 (3) 上。 蓄能器 (3) 的重量约为 236 kg (520 lb)。



    图 3g02139202



    图 4g02139213

  1. 拆下螺栓 (4) 和螺栓 (5) 。 拆下蓄能器 (3) 。

安装步骤

  1. 按相反顺序安装蓄能器 (3) 。

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