345D MHPU and 349D MHPU Mobile Hydraulic Power Units Caterpillar


Hydraulic System Oil Level - Check

Usage:

349D L DKN

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

热油和热的部件可能会导致人员受伤。 请勿让热的液压油或热的零部件与皮肤接触。



注意

如果液压油是热的,一定不要卸下液压油箱上的加注/放气塞。

空气可能进入液压系统,并造成油泵损坏。





图 1g02762678

液压油箱位于机器的右侧。

  1. 将机器停放在平地上。 将铲斗降到地面,斗杆处于垂直位置,如图所示。



    图 2g02760436

  1. 打开机器右侧的检修门。



    图 3g01121278

    (A) 高温范围

    (B) 低温范围

  1. 对于冷态机器而言,将液压油油位保持在低温范围 (B) 内。 对处于正常工作温度的机器而言,将液压油油位保持在高温范围 (A) 内。

  1. 关闭检修门。



    图 4g01208340

    注: 有关盛放溢出油液的资料,请参阅操作和保养手册, "一般危险事项" 的章节。

    注: 如果油位低,应进行步骤 5 到步骤 7。

  1. 慢慢打开加注/放气塞以释放任何压力。 必要时添加油。 参阅操作和保养手册, "润滑剂粘度"。

  1. 检查加注/放气塞的O形密封圈。 如果 O 形密封圈损坏,应更换。

  1. 清洁并安装加注/放气塞。

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