Relief Valve (Steering) - Test and Adjust
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所需工具     | |||
---|---|---|---|
工具     | 零件号     | 零件描述     | 数量     |
A     | 8T-5320     | 液压测试总成     | 1     |
B     | 9U-6600     | 手动液压泵     | 1     |
C     | 3S-6224     | 电动液压泵     | 1     |
在流量为 8 L/min (2 US gpm) 时,转向安全阀的压力设定值是 26000 ± 400 kPa (3775 ± 60 psi)。 转向系统中的其它部件将阻止压力到达此数值。 利用试验台测试以实现准确的压力测试。 在进行任何调整之前,必须拆下转向安全阀并在试验台上进行测试。
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图 1 | g01500878 |
左梁内侧上的转向电磁阀和安全阀的位置 |
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图 2 | g00281966 |
转向电磁阀和安全阀 (1) 前转向蓄能器的端口 (2) 辅助动力装置(APU)的端口 (3) 中央和后转向蓄能器的端口 (4) 进口 (5) 转向控制阀的端口 (6) 调整螺钉 (7) 螺母 (8) 转向安全阀 |
按照下列程序更改转向安全阀 (8) 的压力设定值。
- 松开螺母 (6) 。
注: 转向安全阀 (8) 必须在试验台上进行调整。
- 顺时针转动调整螺钉 (7) 以增大压力设定值。
- 逆时针转动调整螺钉 (7) 以减小压力设定值。
注: 固定螺钉 (7) 转动一圈将使压力设定值变化 4728 kPa (685 psi)。
- 逆时针转动调整螺钉 (7) 以减小压力设定值。
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