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挖掘机冬季保养几大误区,挖友们是否清楚?

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挖掘机冬季保养几大误区,挖友们是否清楚?

发布日期:2018-02-07 作者:贵州挖掘机 点击:

挖掘机冬季保养几大误区,挖友们是否清楚?

Excavator winter maintenance a few big misunderstandings, dug friends are clear?

贵州挖掘机

寒冷的冬季即将来临,气温持续下滑,北方地区有的已经开始下雪,这样的寒冷天气,工程机械的保养也是令人挠心,究竟在寒冷冬季应该如何妥当保养心爱的机械,贵州挖掘机今天就告诉大家几个在日常保养中须特别注意避免的

The cold winter, the temperature continued to decline, some northern region has started to snow, the cold weather, engineering machinery maintenance is also a scratch, whether in the cold winter should be how to properly maintain the beloved machinery, Guizhou excavator today told us several should pay special attention to avoid in the routine maintenance of the


误区,要牢牢记住哦!

Misunderstandings, keep in mind.



误区一:冷却水过早或不予放置

Misconception: cooling water is premature or not placed



后果:发动机机体胀裂或骤缩出现裂纹

Consequences: crack or sudden crackle in engine block

熄火前以怠速运转,待冷却水温度降至60℃以下,水不烫手,再熄火放水.若过早放掉冷却水,挖掘机机体在温度较高时突然受冷空气侵袭会产生骤缩 ,出现裂纹.放水时应将机体内残存的水彻底排出,以免其结冰膨胀,使机体胀裂

To be idle before running off, the cooling water temperature is below 60 DEG C, the water is not hot, and then turn off the water. If the premature release of cooling water, the excavator body suddenly by the cold air invasion will produce a sudden contraction, cracks in high temperature. When water remaining in the water body should be completely discharged, so as to avoid the expansion of frozen make the body burst.


.



误区二:燃油使用不当

Misunderstanding two: improper use of fuel


后果:降低发动机寿命,使损坏几率增加

Consequences: reduce engine life and increase the risk of damage

冬季低温使柴油的流动性变差,粘度增大,不易喷散,造成雾化不良,燃烧恶化,导致挖掘机柴油机的动力性和经济性能下降.故冬季应选用凝点低和发火性能好的轻柴油.一般要求柴油机的凝点应低于本地当前季节最低气温7-10℃

The liquidity of the diesel low winter temperature variation, the viscosity increases, is not easy to spread, resulting in poor atomization, combustion deterioration, resulting in a decline in the power and economy performance of excavator diesel engine. So the winter should choose low pour point of light diesel oil combustion and good performance. The general requirements of diesel pour point should be lower than the local minimum temperature of 7-10 current season C


.




误区三:用明火助燃起动

Misunderstanding three: ignition starting with open fire


后果:重则烧毁挖掘机,轻则损伤发动机

The consequences: heavy destruction of the excavator, light damage to the engine

不能把空气滤清器取下,用棉纱蘸上柴油点燃后做成引火物置于进气管内实行助燃启动.这样在启动过程中,外界的含尘空气就会不经过滤而直接吸入气缸内,造成活塞、气缸等零件的异常磨损,严重的还会造成柴油机工作粗暴,

Don't put the air filter removed, use cotton dipped in diesel ignited in the air inlet pipe made of kindling implement. This combustion start in the startup process, the outside air with dust will be filtered and directly into the cylinder, causing abnormal wear of piston and cylinder parts, which would cause the engine crude,


损害机器。

Damage the machine.




误区四:启动方法不当

Misunderstandings four: unsuitable starting methods


后果:对挖掘机造成严重损害

Consequences: serious damage to the excavator

冬季,有的驾驶员为能够快速启动柴油机,常采用无水启动(先启动,后加冷却水)的非正常启动方法.这种做法会对机器造成严重损害,应禁止使用。正确的预热方法是:先将保温被罩在水箱上,打开放水阀,向水箱内连续注入60-

In winter, some drivers usually start the diesel engine with no water startup (first start, then add the cooling water). It will cause serious damage to the machine and should be banned. Preheat the correct method is: first insulation quilt in the tank, open the drain valve, the continuous injection of 60- into the water tank


70℃的清洁软水,用手触摸放水阀流出的水有烫手感觉时,再关闭放水阀,向水箱灌入90-100℃的清洁软水,并摇转曲轴,使各运动件得到适当预先润滑,然后再行启动。

70 C clean soft water, touch the drain valve out of the water is hot, and then close the discharge valve, 90-100 DEG C to clean soft water poured into the water tank, and crank crankshaft, the moving parts are properly pre lubrication, and then re start.




误区五:忽视机体保温

Misunderstanding five: neglecting the thermal insulation of the body


后果:降低工作寿命,损伤发动机

Consequences: reducing working life, damaging the engine

冬季气温低,容易使挖掘机柴油机工作时冷却过度。故保温是冬季用好柴油机的关键。在北方地区,冬天使用的柴油机都应配备保温套和保温帘等防寒设备。另外节温器对柴油机工作时的升温起着重要作用。故入冬前应检查节

Low temperature in winter, easy to make the excavator diesel engine cooling over the working time. So heat preservation is the key to the use of a good diesel engine in winter. In the north, the diesel engine used in the winter should be equipped with cold proof equipment such as insulation cover and heat preservation curtain. In addition, the thermostat plays an important role in the heating up of the diesel engine. We should check the day before the winter


温器的工作是否正常,失效的节温器应及时更换。

Whether the work of the heater is normal and the failed thermostat should be replaced in time.


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