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186F喷油器有哪些常见故障及对应解决办法
Time: 年月日
Click: 1385次
186F
喷油器是一种极为常见的喷油设备,但它的运用效果很简单受各方面要素的影响,所以
186F
喷油器也是整个体系中较简单产生毛病的设备之一。因为
186F
喷油器的毛病体现各不相同,因而产生的原因和处理办法也有差异。
当
186F
喷油器中压力过低,喷孔磨损有积碳,绷簧端面磨损或弹力下降的情况下,都会导致喷油器提早敞开,推迟封闭,构成喷油雾化不良的现象。由此随同而来的是柴油机不能正常作业,机器工作声也不正常。对此,正确的处理方法是将
186F
喷油器拆开,进行清洗、检修、从头调试。
当
186F
喷油器中针阀偶件磨损严峻,或针阀体与喷油器壳合作不行紧密时,喷油器的回油量就显着增大。这时候假如回油管破损或漏装,就会形成极大的糟蹋。因而,回油管有必要完好无缺,并装置密闭,以便回油能顺畅流入油箱。
因为高压油流不断地喷发冲刷
186F
喷油器,所以它的针阀喷孔会逐步磨大,导致喷油压力下降,喷发间隔缩短,柴油雾化不良,缸内积碳随之增加等不良后果的呈现。这种情况下,可在孔端放一颗直径为
4
~
5mm
的钢球,用锤悄悄敲击使喷孔部分产生塑性变形而缩小孔径。若经调试仍不合格,则应替换针阀偶件。
针阀咬死也是
186F
喷油器常见毛病之一,导致喷油器失掉喷油效果,致使该缸停止作业。为了使其康复正常,可将针阀偶件置于废机油中加热至欢腾冒烟停止,然后取出并用垫着软布的手钳夹住针阀尾部渐渐活动,将其抽出沾上清洁机油,让针阀在阀体内重复活动研磨,直到把针阀偶件倒置时针阀能从阀体内自行慢慢退出停止。
别的,有时候
186F
喷油器还会滴油,是因为针阀体的密封锥面会遭到针阀频频的强力冲击,再加上高压油流不断地从该处喷发出去,使得锥面会逐步呈现刻痕或斑驳,然后损失密封。
这时可拆开
186F
喷油器,在针阀头部沾少量氧化铬细研磨膏并对锥面进行研磨;然后用柴油洗净,装入喷油器进行实验;仍是不合格的情况下只能替换
186F
喷油器的零部件。
www.wxdoka.com
关键词:
186F
喷油器
186F喷油器有哪些常见故障及对应解决办法
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