Gear Pump (Brake, Brake Cooling, Hoist) - Purge
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| 所需工具 | ||
|---|---|---|
| 零件号 | 说明 | 所需数量 |
| 6V-4144 | 快速连接连接器 | 1 |
| 235-7104 | 软管组件 | 1 |
| 1S-8937 | 针阀 | 1 |
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制动液压系统的机油中存在空气会造成人员伤亡。 系统中存在空气会影响制动器完全发挥作用，且机器上的车轮可能无法停止。 要使制动液压系统正常工作，其中的机油不得存在空气。 |
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机器移动会造成人员伤亡。 将挡块放在车轮前后，以确保停车制动器未接合时，机器不会移动。 |
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| 注意 |
|---|
在进行检验、保养、测试、调整及维修产品期间，必须小心以确保装好排放出的油液。 在打开任何舱室或解体任何储有液体的部件之前，要准备好合适的容器收集液体。 有关收集和盛接 Cat 产品上油液的适用工具和用品，请参阅专门出版物, NENG2500, "代理商维修工具目录"。 按照当地法规和要求处置所有液体。 |
- 将 6V-4144 快速断开连接器 连接到控制歧管（制动蓄能器充注）附近的快速断开接头。
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| 图 1 | g02422496 |
控制歧管（制动蓄能器充注）附近的快速断开接头位置 | |
- 过度加满液压油箱。
- 打开 1S-8937 针阀 3。打开该阀将允许机油流到适当的容器。
- 将液压油箱加压到 100 kPa (15 psi)。 利用安全阀防止油箱内压力过高。
- 当观察到稳定的油流时，关闭针阀。
- 检查液压油箱里的油位。 必要时，对液压油箱减压，并将液压油箱重新加注到满标记。 将液压油箱重新加压到 100 kPa (15 psi)。 利用安全阀防止油箱内压力过高。
- 起动发动机并在低怠速下运行 5 分钟。
- 关闭发动机。
- 释放液压油箱的压力。
- 通过打开针阀释放排气软管组件上的压力。 拆下排气软管组件。
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