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tan che yong you liao de jing hua yu an quan yong you
Author(s): 
Pages: 40
Year: Issue:  6
Journal: Farm Machinery Using & Maintenance

Abstract: 柴油在出厂时,规定机械杂质含量不超过0.005%(即50 g/t),但在储运中会混入机械杂质,特别是加油方法不当或加油工具不干净时,更易使杂质混入柴油.机械杂质多半是石英砂和矾土等,颗粒直径超过燃油供给系中精密偶件的配合间隙和硬度,将使精密偶件加速磨损而丧失工作能力,造成发动机功率下降、耗油量增加、启动困难等.尽管柴油发动机中设有滤清器,但滤清器的过滤能力是有限的,只能使柴油的清洁度达到99%,当柴油中杂质过多时,将影响滤清效果,因此,必须采用其他措施,加强机外柴油的净化.
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