长臂挖掘机是一种可以延长作业长度的挖掘机，比普通挖掘机更实用，可以增加作业范围，避免挖掘机来回移动，提高工作效率。由于普通挖掘机的一些地方不能深入，挖掘机加长臂可以这个问题，并在施工中发挥作用，在许多行业得到了应用。它的使用需求在不断增加。使用过程中出现故障怎么办?
Long arm excavator is an excavator that can extend the working length. It is more practical than ordinary excavator. It can increase the working range, avoid the excavator moving back and forth, and improve the working efficiency. Because some places of ordinary excavators can not go deep, the lengthening arm of excavators can solve this problem and play a role in construction, which has been applied in many industries. Its use demand is increasing. What if there is a fault in the process of use?
如何处理挖掘机故障：
How to deal with excavator failure:
各地对工程车辆的需求越来越大。挖掘机加长臂灵活实用，适应性强，深受用户青睐。挖掘机在日常使用中往往会出现一些小问题。
There is a growing demand for engineering vehicles everywhere. The lengthening arm of excavator is flexible, practical and adaptable, which is favored by users. Excavators often have some small problems in daily use.
挖掘机长时间闲置后无法启动。这个问题通常是由电池电量不足引起的。检查电池是否有优势。如果有电源，检查电源开关是否正常，检查电子继电器是否有问题，分析问题，更换附件。
The excavator cannot be started after being idle for a long time. This problem is usually caused by low battery power. First, check whether the battery has advantages. If there is a power supply, check whether the power switch is normal, check whether there is a problem with the electronic relay, analyze the problem and replace the accessories.
挖掘机启动时，感觉柴油机强度不够，转速低，感觉启动不平稳，是柱塞泵堵塞造成的。
When the excavator starts, I feel that the strength of the diesel engine is not enough, the speed is low, and I feel that the starting is unstable, which is caused by the blockage of the plunger pump.
挖掘机工作时，发现水箱内水温迅速上升，直接打开锅炉，温度报警器报警。这种问题通常是由热平衡电磁比例阀堵塞和卡住引起的，导致排气扇速度低，温度上升快。维修人员需要清洗电磁比例阀中的滤网，更换挖掘机的液压油，以故障。
When the excavator is working, it is found that the water temperature in the water tank rises rapidly. Directly open the boiler and the temperature alarm will give an alarm. This problem is usually caused by the blockage and jamming of the heat balance solenoid proportional valve, resulting in low speed and fast temperature rise of the exhaust fan. Maintenance personnel need to clean the filter screen in the solenoid proportional valve and replace the hydraulic oil of the excavator to solve the fault.
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