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加长臂挖掘机使用中的几大错误操作!

日期:2018-12-20   来源:http://www.rbaras.com
一、水箱开锅加冷水
1. Boiling water tank with cold water
在挖掘机发动机超负荷作业、散热不好等情况都会形成水箱开锅的情况。许多修理工的榜首反应是加水。
In excavator engine overload operation, poor heat dissipation and other conditions will form the situation of water tank boiling. Many repairmen's top response is to add water.
可是,假如这个时分加冷水就会形成缸盖和缸体迸裂,所以这个时分应该先中止发动机,等其天然冷却之后在进行加水。
However, if cold water is added at this time, the cylinder head and cylinder body will burst, so the engine should be stopped at this time, and then water will be added after its natural cooling.
二、从不换机油
2. Never change oil
挖掘机机油在挖掘机傍边的效果尤为巨大,许多修理工对此都很重视。他们彻底按照规范要求进行增加。可是,许多的修理工却忘记了对机油质量检查和蜕变机油的替换。
The effect of excavator oil on the side of excavator is especially great. Many repairmen attach great importance to it. They increased in full compliance with the norms. However, many repairmen have forgotten to check the quality of the oil and replace the transformed oil.
长时间的只是增加而不替换机油,就会使得发动机的许多部件在光滑较差的环境下作业,所形成的磨损远超正常情况。
If the engine oil is added for a long time without replacing it, many parts of the engine will work in a poor smoothness environment, resulting in much worse wear than normal.
而且,柴油机在运转的进程傍边,许多的污物也会进入到机油傍边,假如定时不替换机油,很简单引发烧瓦、抱轴等意外事故。
Moreover, in the process of diesel engine operation, a lot of dirt will also enter into the oil side, if the oil is not replaced regularly, it is very simple to cause accidents such as burning tile, holding axle and so on.
三、黄油胡乱涂改
3. Random modification of butter
挖掘机黄油其首要地效果是光滑与密封。所以,有时修理工在修理进程傍边,就会在其汽缸垫上涂改上黄油,以为这姿态就可以增加其柴油发动机的密封功能。
The main effect of excavator butter is smoothness and sealing. Therefore, sometimes the repairman will paint butter on the cylinder gasket beside the repair process, thinking that this posture can increase the sealing function of the diesel engine.
可是,这种做法确实是大错特错的。由于,假如在汽缸垫上涂改了黄油,当汽缸螺栓拧紧时,必然会有一部分黄油流入到气缸傍边。
However, this is a big mistake. Because if butter is painted on the cylinder gasket, when the cylinder bolt is tightened, a part of butter will flow into the cylinder side.
剩余的在外部的黄油在受到高温影响之后还会形成缸垫、缸盖与机体平面之间发作必定的缝隙,这样反倒是降低了缸垫原本的密封性。
After being affected by high temperature, the remaining butter will form a certain gap between the cylinder pad, the cylinder head and the plane of the body, which will reduce the original sealing of the cylinder pad.
四、砂布打磨轴瓦
4. Grinding Bearing with Sand Cloth
刮瓦是挖掘机修理傍边技能含量相对较高的一项作业,许多的修理工由于自身的技能不过关,就会在进行刮瓦的进程傍边直接用砂布进行打磨。可是,在采用砂布进行打磨的进程傍边砂布上的沙粒极其简单嵌入到合金傍边,加快柴油机轴颈的磨损。
Scraping tile is a relatively high skill content of excavator repair side work, many repairmen because of their own skills are not qualified, will be in the process of scraping tile with sand cloth to grind directly. However, in the process of grinding with abrasive cloth, the sand particles on the side of abrasive cloth are very simple to be embedded in the side of alloy, which accelerates the wear of diesel engine journal.
五、缸套和活塞产品不进行组合即装置
5. Installation without combination of cylinder liner and piston products
许多修理工在修理的时分,以为新品都应该是规范件。所以,在面临新的缸套和活塞产品的时分往往是不看具体尺度。
Many repairmen think that new products should be standard parts when they are repairing. Therefore, in the face of new cylinder liner and piston products, often do not look at the specific scale.
这样就会形成许多时分缸套和活塞产品不配套的情况,当最大尺度的气缸配上最小尺度的活塞,就会使二者空隙过大,紧缩无力。
This will lead to many times when the cylinder liner and piston products do not match. When the largest cylinder is equipped with the smallest piston, the gap between the two will be too large and the contraction will be weak.
六、螺栓拼命拧紧
6. Bolts tighten desperately
在挖掘机修理的进程傍边,其实并不是螺栓拧的越紧越安全的。这首要是由于许多部位针对于螺栓的转矩都是有要求的。
In the process of excavator repair, in fact, the tighter the bolt is, the safer it is. This is mainly because many parts are required for bolt torque.
可是,许多的修理工并不这么以为,他们会尽可能的将其拧到最紧,这就简单形成螺栓拧断或者是螺纹滑扣。
However, many repairmen do not think so, they will try to screw it to the tightest possible, which simply forms a bolt break or thread slip.
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