12H, 140H and 160H Motor Graders Machine Systems Caterpillar


Accumulator (Blade Cushion) - Remove and Install

Usage:

160H 2FM

拆卸步骤


    注意

    在检验、保养、测试、调整及维修产品时,务必留心,确保液体盛装在容器中。 在打开任何腔室或拆解任何储有液体的部件之前,要准备好用合适的容器收集液体。

    有关适合收集和盛接卡特彼勒产品上液体的工具及用品,参考专门出版物, NENG2500, "卡特彼勒工具和修理车间设备指南"。

    按照当地法规和指令处置所有液体。


    ------ 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. 释放液压系统压力。 请参阅解体和组装, "解体和组装时的机器准备事项"。



    图 1g00634818

    注: 为便于安装,在所有软管组件、所有导线线束及所有管上做出识别标记。 塞好并盖住所有软管组件和管,以防液体损失、系统污染。

  1. 从平地刮铲缓冲蓄能器上卸下导线线束 (3) 。 从平地刮铲缓冲蓄能器上卸下导线线束 (5) 。

  1. 从平地刮铲缓冲蓄能器上断开软管组件 (4) 和软管组件 (6) 。

  1. 卸下将蓄能器阀固定在机架上的两个螺栓和垫圈 (2) 。

  1. 卸下将平地刮铲缓冲蓄能器固定在机架上的两个螺栓 (1) 、两个垫圈和两个卡箍。卸下两个平地刮铲缓冲蓄能器。

安装步骤




    图 2g00634818

    注: 清洁度是一项重要的因素。 组装步骤开始之前,应彻底清洁部件外部。 这有助于防止系统污染。

  1. 将两个平地刮铲缓冲蓄能器在机架上放置到位。安装固定平地刮铲缓冲蓄能器的两个螺栓 (1) 、两个垫圈和两个卡箍。

  1. 安装将蓄能器阀固定在机架上的两个垫圈和两个螺栓 (2) 。

  1. 将软管组件 (4) 和软管组件 (6) 安装在平地刮铲缓冲蓄能器的原有位置。

  1. 将导线线束 (3) 和导线线束 (5) 连接在原有位置。

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

    干燥氮气是唯一被认可用作蓄能器充气的气体。 用氧气对蓄能器充气会引起爆炸。 如果用的氮气罐配上符合 CGA ( 压缩气体协会(Compressed Gas Association)标准公司) 的 580号 接头,就不会产生危险。 购买氮气时,确保氮气罐上配有 CGA No. 580 接头 不要用颜色标记,或其它方法来 认定氮气和氧气罐之间的区别。


  1. 检查平地刮铲缓冲蓄能器的充压压力。 必要时,向平地刮铲缓冲蓄能器充压。 请参阅技术规范, "蓄能器(平地刮铲缓冲)",了解正确的充压压力。

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