422E and 428E Backhoe Loaders Caterpillar


Work Tool Flow Control - If Equipped

Usage:

422E DSK
辅助管路能提供单向流量或双向流量。

单向流量用于机具,如液压锤锤。 双向流量用于如螺旋钻之类的作业机具。

在改变液压辅助回路的流量模式前,确保符合下列标准:

  • 将机器停放在水平地面上。

  • 所有作业机具和所有选装部件降到地面上。

  • 停车制动器已接合

  • 液压力已释放

  • 回转锁销已安装。

  • 发动机停机

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

确保机器和所有作业机具在推荐的维修位置。 安装回转锁销并关闭发动机。 在移动球阀手动杆前,确保所有人员远离作业机具。 改变阀的位置可能引起作业机具的意外运动。 能导致严重的人员伤亡。





图 1g01587913

所示的机器在维修位置。




图 2g01207654

将阀转入上图示位置,以进行下述功能:

  • 可伸长斗杆作业

  • 需要单向流量的作业机具

将阀转动 90 度,以使用所需的双向流量作业机具。

注: 在将阀转到双向流量之前,必须销住可伸长斗杆。

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