液压设备一般在使用的初期因为设计、制造、运输、安装、调试等原因而故障率出现较高，随着运行的时间延长和故障不断的排除，故障串就逐渐的降低了，到了设备使用的后期，因为长期使用的过程中出现磨损和腐蚀以及老化疲劳等而逐渐的让故障增多，只有在使用的中期，设备故障才会平稳随机的较稳定期，也就是设备的有效工作使用期。但是如果使用不当或者是对潜在的故障不够及时的诊断和排除，即使是在有效的使用期也不能够排除出现突发性的严重故障情况，所以认真的研究和总结了各个设备的故障和诊断的技术，这才是正确、及时的排除各种故障的前提。
Generally, the failure rate of hydraulic equipment is high in the early stage of use due to design, manufacturing, transportation, installation, commissioning and other reasons. With the extension of operation time and the continuous elimination of faults, the fault string gradually decreases. In the later stage of use, the faults gradually increase due to wear, corrosion, aging and fatigue in the process of long-term use, Only in the middle of use, the equipment failure will be stable and random, that is, the effective service life of the equipment. However, if it is not used properly or the potential faults are not diagnosed and eliminated in time, the sudden serious faults can not be eliminated even in the effective service life. Therefore, the fault and diagnosis technology of each equipment are carefully studied and summarized, which is the premise of correct and timely troubleshooting.
液压挖掘机在一些特殊的场合挖掘作业以后，往往需要对设备来进行保养，下面就来看看在寒冷的地区和灰尘区工作以后要做哪些的保养吧。
Hydraulic excavators often need to maintain the equipment after excavation on some special occasions. Let's take a look at the maintenance to be done after working in cold and dusty areas.
一、液压挖掘机在寒冷地区作业以后的保养措施除应该进行正常的例保作业以外，还应该特别的注意以下两个方面：
1、 In addition to normal routine maintenance, the following two aspects should also be paid special attention to for the maintenance measures of hydraulic excavator after operation in cold areas:
1、防止行走部位的冻结，在工作完成以后要把枯在车体上面的泥用水来清洗干净，然后把机械停放在混凝土或者是木板又或者是坚固干燥的地面上。
1. To prevent the freezing of walking parts, clean the mud on the car body with water after the work is completed, and then park the machine on the concrete, wood or solid and dry ground.
2、幻活塞杆的防冻，在作业结束了以后，液压缸的活塞杆要大限度地回缩回来。如果活塞杆露在外面的话，杆表面上会因为空气中的水分凝集而出现冻结，或者是因为粘附的土冻结，造成端盖密封件出现损坏。
2. For the anti freezing of the piston rod, the piston rod of the hydraulic cylinder shall be retracted to the greatest extent after the operation is completed. If the piston rod is exposed, the surface of the rod will freeze due to the condensation of water in the air, or the end cover seal will be damaged due to the freezing of adhered soil.
二、液压挖掘机在灰尘多的场地作业以后的保养措施有以下几个方面：
2、 The maintenance measures for hydraulic excavator after operation in dusty sites are as follows:
1、作业结束以后要把空气过滤器清扫一遍。
1. Clean the air filter after the operation.
2、要把堆积在暖气装置和油冷却器上的灰尘干净。
2. Clean the dust accumulated on the heating device and oil cooler.
3、经常对油料来进行排查，定期使用液压油过滤机对油来进行处理。防止灰尘混进了工作油和燃油中去。
3. Regularly check the oil and regularly use the hydraulic oil filter to treat the oil. Prevent dust from mixing into working oil and fuel.
4、在作业以后及时的洗车，不要让沾附在车子上的灰尘变成污垢以后积存下来。
4. Wash the car in time after operation. Don't let the dust on the car become dirt and accumulate.
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