Metering Pump (HMU) - Remove and Install
开始:
- 连接转向机架锁。
- 释放液压系统压力。
- 液压油箱油 - 保留。
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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。 卸下机具和其油路之前，必须先把机具放到地面上，让油先冷却，才可进行工作。 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。 |
- 将五个软管组件 (1) 从计量泵 (3) 上断开。
- 拆下四根螺栓 (2) 和计量泵 (3)。
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| 图 1 | g03649061 |
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计量泵位于驾驶室前下方。 | |
注: 注意软管组件 (1) 的方位，以便于安装。
- 按与拆卸相反的顺序安装计量泵 (3)。
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