The underground loader has brought us some convenience in daily use and won the support and trust of many customers. However, if any equipment is used for a long time, there will always be some small faults, and the downhole loader is no exception. Generally speaking, the faults of the downhole loader are mainly caused by the unclean hydraulic oil.

经常检查液压油是否清洁，是否产生乳化、变质，液压油的油量是否够用，都是广大用户朋友需要关心的问题。但是在日常使用中也不要忘记及时更换或者过滤液压油，始终保证液压油处于清洁状态下，这样就可以一定程度上减少故障的发生，延长液压元件使用寿命。

Frequently check whether the hydraulic oil is clean, emulsified and deteriorated, and whether the oil quantity of hydraulic oil is sufficient, which are all the problems that users need to care about. However, in daily use, do not forget to replace or filter the hydraulic oil in time, and always ensure that the hydraulic oil is in a clean state, so as to reduce the occurrence of faults to a certain extent and prolong the service life of hydraulic components.

另外，如果是新出厂的井下装载机，在前三个月内，一定要更换液压油。因为新的井下装载机在使用初期的时候，液压元件磨合中产生的杂质会随着液压油流回到油箱，所以前三个月必须要及时更换液压油。

In addition, if it is a newly delivered downhole loader, the hydraulic oil must be replaced within the first three months. Because the impurities generated in the running in of hydraulic components will flow back to the oil tank with the hydraulic oil at the initial stage of use of the new downhole loader, the hydraulic oil must be replaced in time in the first three months.

换言之，井下装载机的正常工作离不开合理地维护和保养，这样才能有效保证装载机可以正常工作，同样可以有效延长其使用寿命。

In other words, the normal operation of the underground loader is inseparable from reasonable maintenance, so as to effectively ensure that the loader can work normally and effectively prolong its service life.