System Pressure - Release
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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。 |
- 将所有机具降至地面。
- 关闭发动机。
- 将点火开关转到 ON 位置。 将控制台置于向下位置。 全行程移动操纵杆。 这将释放可能存在于先导系统中的任何压力。
- 缓慢松开液压油箱空气呼吸器盖，以释放压力。
- 上紧液压油箱空气呼吸器盖。
- 液压系统里的压力现在已经被释放。
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