The main function of the small loader is to shovel, load, unload or transport scattered materials such as soil and stone. The loader can also excavate some hard soil, of course, only slightly. If a working device of the loader is replaced, some other complicated work such as bulldozing or lifting can be carried out.

装载机在应用中可以在公路施工行业中进行应用，主要就是在于路基的填挖工作，一般来说就是进行沥青混凝土料的装卸和集料等一些工作。装载机有着作业速度快的好处，在进行作业的时候能提效率，并且装载机的操作很轻便，所以是在施工工程中比较主要，使用比较多的一种机械设备。

The loader can be applied in the highway construction industry, mainly in the filling and excavation of subgrade, generally speaking, it is used for the loading and unloading of asphalt concrete materials and aggregates. The loader has the advantage of fast operation speed. It can improve efficiency during operation, and the operation of the loader is very light. Therefore, it is a kind of mechanical equipment that is mainly used in construction projects.

如果装载机的驱动发生了无力的现象就需要先检查变速表是否在一档的位置和是否出现了降压的情况。而造成驱动无力的原因就是因为在一档的时候活塞环摩擦增加，磨损加大，这就会导致漏油量增加，就会导致驱动无力。另外还有种原因就可能是因为o型密封圈受损，造成了压力油的泄漏。如果排查出是因为上述原因导致的驱动无力，可以先把变速箱拿出，然后更换里面的活塞环和密封圈。

If the loader drive is weak, it is necessary to check whether the transmission gauge is in the first gear and whether there is pressure reduction. The reason for weak driving is that the piston ring friction and wear increase in the first gear, which will lead to an increase in oil leakage and weak driving. Another reason may be that the O-ring is damaged, resulting in the leakage of pressure oil. If it is found that the drive is weak due to the above reasons, take out the gearbox first, and then replace the piston ring and sealing ring inside.

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