MH3037 Material Handler Hydraulic System Caterpillar


Swing Pump Air - Purge

Usage:

MH3037 KPM

简介

维修回转泵或更换液压油后,需要排出空气。 使用下述步骤,以便排出液压系统中的空气:

机器准备

  1. 使所有人员远离机器和机器周围。


    注意

    为避免损坏系统,请确保在起动前适当地给液压泵加注液压油。


  1. 起动发动机。

  1. 将液压启动控制杆置于解锁位置。



    图 1g03095556

    显示在监视器可编程功能键上的发动机转速控制"最大转速"。

  1. 按下监视器上的按钮 "A",以将发动机转速设定在"最大转速"。



    图 2g03094559

    停车制动器控制按钮位于软开关面板上

  1. 按下停车制动器控制按钮以便停用停车制动器。

    注: 当停车制动器停用时,绿色指示灯将点亮。




    图 3g03094697

    回转制动器控制按钮位于软开关面板上

  1. 按下回转制动器控制按钮以便停用回转制动器。

    注: 当回转制动器停用时,绿色指示灯将点亮。

  1. 将机器停放在水平地面上。 检查视野并调整反光镜,使机器附近的视野达到最佳。



    图 4g03094816

    稳定器降下控制按钮位于软开关面板上

  1. 按下稳定器控制按钮,以将稳定器降至地面。

  1. 将作业机具降到地面上。

  1. 将液压启动操纵杆置于锁定位置。

  1. 停止发动机。

调整步骤




    图 5g03644858

    回转泵右上视图

    (1) 放气螺塞

    ------ 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。



    注意

    在进行检验、保养、测试、调整及维修产品期间,必须小心以确保装好排放出的油液。 在打开任何舱室或解体任何储有液体的部件之前,要准备好合适的容器收集液体。

    有关收集和盛接 Cat 产品上油液的适用工具和用品,请参阅专门出版物, NENG2500, "代理商维修工具目录"。

    按照当地法规和要求处置所有液体。


  1. 当发动机停机时,从回转泵上拆下放气螺塞 (1) 。

  1. 向回转泵加注机油。

  1. 安装放气螺塞 (1) 并拧紧至规定扭矩。

  1. 起动发动机。



    图 6g03095577

    显示在监视器可编程功能键上的发动机转速控制"怠速转速"。

  1. 按下监视器上的按钮 "B",以将发动机转速设定在"怠速转速"。

  1. 缓缓松开放气螺塞 (1) 直到油开始绕放气螺塞流动。

  1. 将放气螺塞 (1) 拧紧至规定扭矩。

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