Control Valve (Hoist) - Remove and Install
拆卸步骤
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| 所需工具 | |||
| 工具 | 零件号 | 零件描述 | 数量 |
| A | 138-7574 | 连杆支架 | 2 |
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车斗降下后，车斗与机架之间没有空隙。 如果不安装固定缆线，可能会导致在此区域作业的人员受伤或死亡。 |
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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。 |
- 安装车斗固定拉线。 操作和保养手册, "拉线（车斗固定）"。
- 释放系统压力。 请参阅操作和保养手册, "系统压力释放"。
- 将液压油箱中的油排入合适的容器以便保存或废弃这些油。 请参阅操作和保养手册, "液压油箱 - 更换 - 举倾和制动系统"。
- 断开软管组件 (1) 。 拆下管组件 (2) 。
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| 图 1 | g01990657 |
- 断开软管组件 (3) 、软管组件 (4) 和软管组件 (5) 。
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| 图 2 | g01990673 |
- 断开线束组件 (6) 。 拆下夹子 (7) 。 断开线束组件 (8) 。
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| 图 3 | g01990694 |
- 断开软管组件 (9) 和软管组件 (10) 。
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| 图 4 | g01990755 |
- 将工具 (A) 和适当的起吊设备连接到举倾机构控制阀 (11) 。 举倾机构控制阀 (11) 的重量约为 191 kg (420 lb)。
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| 图 5 | g01990761 |
- 拆下螺栓 (12) 以拆下举倾控制阀 (11) 。
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| 图 6 | g01990775 |
安装步骤
- 按相反顺序安装举倾机构控制阀 (11) 。
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