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</div> <div class="fr insRight"> <div class="crumb font_w fs14"> <b class="fl"><a href="/">首页</a> > <a href="/supply/">供应产品</a> > <a href="/xdwjjwx/">C挖掘机维?/a> > <a href="/supply/159.html">CR385L VS挖掘机左行无力、跑偏解x?贵州C挖掘机维修公?/a></b> </div> <div class="insNewsArti clearfix pt10 font_w"> <div class="proArtiTop"> <div class="picimg_wj"><h1>CR385L VS挖掘机左行无力、跑偏解x?贵州C挖掘机维修公?/h1> 来源Q?script data-cfasync="false" src="/cdn-cgi/scripts/5c5dd728/cloudflare-static/email-decode.min.js"></script><script>document.write('<a href="' + window.location.href + '">'+ window.location.href + '</a>');</script> 发布旉Q?020-05-28 00:00:00 <br /></div> </div> <div class="con fs14"> <p><a target="_blank" ></a><p style="text-indent:2em;"> <strong><a target="_blank">CR385L VS挖掘机左行无力、跑偏解x?贵州C挖掘机维修公?/a></strong><br /> <br /> 当挖机出现液压a温高时是Z头号故障杀手,出现此故障就会媄响挖走或者各斚w故障问题?br /> <br /> 最q立Ҏ挖掘机维修厂李师傅接到来自贵州杨老板的故障咨询电话,讲到杨老师有一台R385L VS型挖掘机在工作的时候出现a温高Q而且行走行走向左侧跑偏,遇到较大的坡路时左侧行走马达行走速度非常~慢。下面立Ҏ<a target="_blank">挖机l修</a>师傅一h看看故障处理的整个过E?br /> <br />     挖掘机维?挖机故障原因分析Q?br />     1、左行走脚踏阀阀芯磨损,D左行走先导压力低?br />     2、左行走主阀阀芯磨损,D压力油内泄?br />     3、左行走马达溢流阀损、卡ѝ密圈损坏?br />     4、左行走马达内部损Q导致内泄?br />     5、中央回转接头a损坏?br />     挖掘机故障排查:<br />     1、将左右两个行走马达的先导管互换位置Q故障现象没有改变,说明与脚t阀阀芯无兟?br />     2、检查左行走压力偏低Q因为右侧行走马达正常,Ҏ溢流阀故障依旧。对换中央回转接头处软管后试机:左侧行走正常Q右侧行走无力,判断Z央回转接头或者主控阀故障?br />     3、将L阀左右行走高压油管互换位置Q经试q是左侧行走马达无力速度慢,右侧正常Q所以判断与L阀没有关系?br />     4、拆解中央回转接头发现密组件破裂,认密封损坏内泄造成行走无力?br />     5、检查a冷器表面无脏堵,透风性能较好Q测试a冷器表面温度Q发现a温异常偏低,与a内Ҏ温度相差q大?br />     6、启动机器,观察油箱回a量异常的大,此时怀疑回油单向阀卡滞。将中心回{接头分解Q发现里面的密封圈破损,q有部分~失Q此时怀疑高温和密封圈缺失有关系Q观察a发现液压a底部有密封圈碎片?br />     回油单向阀拆解Q发现回油单向阀被一D密圈卡住Q不能正常回位?br />     故障排除Q?br />     清洗中央回{接头Q更换全部密圈Q取出卡在回油单向阀的密圈Q用高压气体疏通回油管路,保\没有其他破损密封圈残留。试机故障消失,Ҏ也恢复正常?br />     ȝQ?br />     回{接头密封件冲坏,内漏D左行走无力且破裂物进入a路导致单向阀发卡造成液压Ҏq高。回转接头工作频率高Q负荷大Q所以里面密圈很容易磨损和破裂Q导致串油,当机器工作一定小时的时候,出现行走无力的时候,很有可能是密封圈磨损了?br />     当发现密圈~失的时候,大家一定要清理回a\Q以免造成回{接头外壳被顶P造成回{接头内部损坏Q以及进入液压系l导致阀芯犯卡?br /> <br /> 挖掘机左行无力、挖掘机跑偏故障l修扄Ҏ挖机修理厂专业ؓ您解决难题?热线Q?5223463988 ?br /> <img src="http://cmsimgshow.zhuchao.cc/35063/202005280941246753506357790.jpg" width="400" height="225" title="CR385L VS挖掘机左行无力、跑偏解x?贵州C挖掘机维修公? alt="CR385L VS挖掘机左行无力、跑偏解x?贵州C挖掘机维修公? /><br /> 【扩展阅诅R?br /> CR385L VS履带挖掘Z品性能特点<br /> CVSpd挖掘机,搭蝲Tier3发动机,品质优越Z?br /> 可靠性和耐久性更高、舒适性更高、作业效率更?br /> 排放更低、a耗更低、噪x?br /> U承‘品质至上,客户至理念和ȝ创新__C工程机械始终坚持标准化生产,x客户需求,建立完善的客h务体p,打造更卓越产品和客户体验?</p></p> </div> <div class="proArtiNum mt10"> <p>上一条:<a href="/supply/160.html">挖掘机维修厂_{养路机械液压系l故障诊?/a></p> <p>下一条:<a href="/supply/158.html">四川自A市小松PC290LC-8挖掘机维修挖掘动作不正常原因分析</a></p> </div> <div class="tag">相关标签Q?a href="/download/">挖掘机维?/a>,<a href="/news/wjjwx">挖掘Z?/a>,<a href="/about/about5.html">挖掘机维修厂</a></div> <div class="crumb mt15"> <span class="fl font_w fb fs22">相关新闻<b class="fs14 fn font_i ml5">RELATED NEWS</b></span> </div> <div class="insNews1 clearfix pt10 fs14 font_w"> <ul> <li><a href="/news/328.html" rel="nofollow">电喷机通病q样修!卡特320D挖掘机发动机无法利启动原因分析Q!</a><span>2020-08-27</span></li> <li><a href="/news/327.html" 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