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背锅侠:润滑油是造成机油压力低的“凶手?#20445;?/h1>

时间:2019-03-06 11:14:01  来源:中国润滑油网  浏览量:

很多“老司机”应该都知道机油压力低是很严重的异常故障,不仅无法正常开工,而且还有可能对设备造成损坏。

很多人第一反应会是机油有问题,其实不然,它可真的是无辜的。

造成机油压力低的原因其实有很多,今天SK就来给你们分析分析,看看造成机油压力低的“凶手”到底是谁?
\

机油油量不足

 

机油油量不足

会使机油泵的泵油量减小

或者因进入空气而泵不上油

使机油压力下降
 

机油牌号不合适

 

不同的发动机

需要添加不同牌号的机油

若机油不合适或质量较差

发动机运转时就会因黏度过低

而加大泄露,压力降低
 

发动机温度过高

 

发动机散热不良

长时间超?#27721;?#20316;业会使发动机过热

加速机油的老化、变质、变稀

从间隙中泄露,压力降低

 

机油散热器漏油

 

外漏会污染发动机表面

压力下降

内漏使机油进入水箱

发动机过热机油变稀

压力下降

 

机油滤清器堵塞

 

机油滤清器堵塞

此时安全阀开启压力又高

使机油在滤清器前的压力增高

主油道油量减少

致使机油压力下降

 

油道堵塞

?

主油道至压力传感器的

油道堵塞而油流不畅时

机油压力就会下降

 

机油泵磨损

 

机油泵泵轴与衬?#23383;?#38388;的间隙

齿轮端面与泵盖的间隙

齿侧间隙或径向间隙因磨损而过大时

都会导致泵油量减少

使机油压力下降

 

机油过脏

使用时间过长而变质

使吸油盘的滤网或油道堵塞

应更换新的机油

并清洗滤网和油道

 

造成机油压力低的“凶手”有很多,所以在不了解的情况下,可千万不要让无辜的机油背锅哟。了解清楚机油压力低真正的原因后,也不可盲目拆卸,切?#19988;?#36890;过专业的维修中心排解故障。

 

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