The function of excavator must not be so small as to make up for too many introductions. We can learn from our daily life and study that many excavators with special requirements will choose to install the extension arm now. What kind of excavator is suitable for installing the extension arm? How to solve the deviation problem after the installation of the excavator? Let's have a detailed understanding of the excavator.

　　1. 不建议重新改装新机器，因为长臂挖掘机改装后会增加挖掘机的负载，而且没有保修期很容易与原厂发生售后服务纠纷;

　　1. It is not recommended to refit the new machine, because the long arm excavator will increase the load of the excavator after refitting, and it is easy to have after-sales service disputes with the original factory without warranty period;

　　2. 不建议改装机器不到50%新的,因为机器的使用寿命相对较老,各方面的性能有所下降,加上伸出臂本身有一定的重量,很难发挥伸出臂挖掘机由于效率,5 - 80%的新挖掘机伸出臂挖掘机。

　　2. It is not recommended to refit the machine less than 50% new, because the service life of the machine is relatively old, the performance of all aspects has declined, and the extension arm itself has a certain weight, it is difficult to play the extension arm excavator due to the efficiency, 5 - 80% of the new excavator extension arm excavator.

　　二世。伸缩式挖掘机的使用范围

　　II. Scope of use of retractable excavator

　　华体会国际 有两段华体会国际 和三段华体会国际 。双节加长臂式挖掘机主要用于土方基础、深基坑开挖和河道疏浚。三段式伸缩式挖掘机主要用于高层建筑的拆除。根据杠杆原理和力学原理，伸缩式挖掘机的力比原来的要小，不能用于繁重的工作。

　　There are two-stage and three-stage long arm excavators. Double section and long arm excavator is mainly used for earth foundation, deep foundation pit excavation and river dredging. The three-stage retractable excavator is mainly used for the demolition of high-rise buildings. According to the principle of lever and mechanics, the force of retractable excavator is smaller than the original one, so it can not be used for heavy work.

　　行走偏差故障:华体会国际 行走偏差故障时，应先检查挖掘机组合阀。取下限压阀上的2根油管，用堵头堵塞出油口，启动发动机，用行走控制手柄和堵头组合阀拉动伸缩式挖掘机，检测油压是否正常;然后取下另一侧组合阀上的2根油管，重新启动发动机，观察限压阀上的2个油孔是否有油流出。如果没有这种现象，则排除组合阀的故障问题。在这一点上，我们应该检查旋转接头。由于回转接头的油管数量较多，油管之间容易发生串通。因此，我们可以先拆下两条运行中的电机油管，然后拆下其中一条。操作完毕后，重新启动发动机，拉动堵塞的油管马达换向阀，观察油压是否过低，液压马达油孔是否有油流出。如果有，则认为是旋转接头油封问题，只有更换后才能去除故障。

　　Travel Deviation fault: when the travel deviation fault of the long arm excavator occurs, check the combination valve of the excavator first. Take 2 oil pipes on the lower limit pressure valve, plug the oil outlet, start the engine, pull the retractable excavator with the walking control handle and plug combination valve to check whether the oil pressure is normal; then take down 2 oil pipes on the combination valve on the other side, restart the engine, and observe whether there is oil flowing out of the 2 oil holes on the pressure limit valve. If this is not the case, troubleshoot the combination valve. At this point, we should check the central swivel. Because of the large number of oil pipes in the central swivel, the oil pipes are easy to cross connect. Therefore, we can first remove two running motor oil pipes, and then remove one of them. After the operation, restart the engine, pull the blocked oil tube motor reversing valve, and observe whether the oil pressure is too low and whether there is oil flowing out of the oil hole of the hydraulic motor. If yes, it is considered to be the oil seal problem of the central rotary joint, and the fault can only be removed after replacement.

　　在以上内容中，我们详细描述了什么样的挖掘机适合安装伸缩臂，以及如何安装后挖掘机跑偏的问题。我们希望我们的内容可以帮助您更好地安装，处理和使用它。

　　In the above content, we describe in detail what kind of excavator is suitable for installing the telescopic arm, and how to solve the problem of excavator deviation after installation. We hope our content can help you better install, process and use it.