Hoist Pilot Pressure Is Low
问题：举倾先导压力超出技术规格
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| 可能的部件根源 | 非部件根源 | 如何诊断 | 修正措施 |
|---|---|---|---|
| TCS 先导装置内过量泄漏 | 污染 | 检查是否过量泄漏。 塞住制动器歧管上的 TCS 先导端口。 检查确认先导压力是否返回到合格数值。 | 检查 AETA/TCS 阀是否损坏。 |
| 举倾阀内过量泄漏 | 污染 | 检查是否过量泄漏。 塞住制动器歧管上的举倾先导端口。 检查确认先导压力是否返回到合格数值。 | 检查举倾阀是否损坏。 |
| BCD 电磁阀和 TCS 先导阀过量泄漏 | N/A | 检查阀密封件有无损坏。 如果连接了制动器冷却分流器，塞住制动器冷却分流器端口以查看先导压力是否返回可接受水平。 | 更换所有损坏的密封件，或更换 BCD 电磁阀或 TCS 先导阀。 |
| 举倾减压阀 | 污染 | 可能由于不正确设置偏低或由于磨损偏移量低。 | 如果不在公差范围内，调整和/或更换举倾减压阀。 |
| FL1 举倾先导滤网堵塞 | 污染 | 拆卸滤网并检查。 | 如果堵塞，更换滤网。 |
Caterpillar Information System:
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