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class="topadcs"> <a href='/product/' title='24年保持中國工程機械行業(yè)排頭兵地位'><img src='/UploadFiles/Others/20140807153620_68561.jpg' alt='24年保持中國工程機械行業(yè)排頭兵地位' title='24年保持中國工程機械行業(yè)排頭兵地位' /></a> </div> <div id="i27hfy7" class="plc2"> 當前位置：<a href="/">首頁(yè)</a> » <a href="/news/" title="河南路友機械設備有限公司資訊中心">河南路友機械設備有限公司資訊中心</a> » <a href="http://www.lhlfkr.cn/lydt.shtml" title="路友動(dòng)態(tài)"> 路友動(dòng)態(tài)</a> » <a href="/Article/wjjdsdbjmq_1.html" title="挖掘機的速度比較慢且無(wú)力，工作時(shí)發(fā)動(dòng)機掉速?lài)乐卦趺椿厥拢?>挖掘機的速度比較慢且無(wú)力，工作時(shí)發(fā)動(dòng)機掉速?lài)乐卦趺椿厥拢?/a></div> <div id="znmhqyu" class="left2"> <div id="pprfncr" class="left2top"> </div> <div id="nypvapw" class="left2_main"> <div id="7722rgr" class="n_info_con" id="printableview"> <h1> 挖掘機的速度比較慢且無(wú)力，工作時(shí)發(fā)動(dòng)機掉速?lài)乐卦趺椿厥拢?/h1> <div id="22djltp" class="info_con_tit"> <div id="75jpjvj" class="info_con_tit"> <div id="al7gi7l" class="n_tit"> <span>文章出處：</span><span>網(wǎng)責任編輯：</span><span>作者：</span><span>人氣：<span id="cntrHits">-</span></span><span>發(fā)表時(shí)間：2016-07-29 14:48:00【<a href="javascript:;" onclick="ChangeFontSize(this,'16px')">大</a> <a class="cur" href="javascript:;" onclick="ChangeFontSize(this,'14px')">中</a> <a href="javascript:;" onclick="ChangeFontSize(this,'12px')">小</a>】</span> </div> </div> </div> <div class="hxwns72" id="cntrBody"> <p> 今天有個(gè)客戶(hù)撥打4009903710進(jìn)行<a href="/xgwjjw.shtml" class='con_kwd'>挖掘機</a>的技術(shù)咨詢(xún)，第一時(shí)間轉到相應的維修師傅，這個(gè)客戶(hù)的問(wèn)題是：<a href="/xgwjjw.shtml" class='con_kwd'>挖掘機</a>的速度比較慢且無(wú)力，工作時(shí)發(fā)動(dòng)機掉速?lài)乐卦趺椿厥拢?/p> <p> 就根據這個(gè)<a href="/xgwjjw.shtml" class='con_kwd'>挖掘機</a>的問(wèn)題總結原因如下：</p> <p>（1）柴油油路故障；<br /> （2）發(fā)動(dòng)機噴油泵磨損導致功率下降；<br /> （3）液壓系統故障。</p> <p>這種<a href="/xgwjjw.shtml" class='con_kwd'>挖掘機</a>狀況的解決辦法：</p> <p style="padding-bottom: 0px; widows: 1; text-transform: none; background-color: rgb(255,255,255); text-indent: 0px; margin: 5px 0px; padding-left: 0px; padding-right: 0px; font: 16px/18px sans-serif; white-space: normal; letter-spacing: normal; color: rgb(51,51,51); word-spacing: 0px; padding-top: 0px; -webkit-text-stroke-width: 0px">（1）檢查用戶(hù)所加的柴油良好，檢查柴油箱到發(fā)動(dòng)機的柴油管路正常，便更換新的柴油附加濾芯故障依舊，可以排除柴油油路問(wèn)題。</p> <p style="padding-bottom: 0px; widows: 1; text-transform: none; background-color: rgb(255,255,255); text-indent: 0px; margin: 5px 0px; padding-left: 0px; padding-right: 0px; font: 16px/18px sans-serif; white-space: normal; letter-spacing: normal; color: rgb(51,51,51); word-spacing: 0px; padding-top: 0px; -webkit-text-stroke-width: 0px">（2）由于此車(chē)剛剛交機，發(fā)動(dòng)機出廠(chǎng)日期也是今年，現暫且不懷疑噴油泵早期磨損故障，當發(fā)動(dòng)機掉速時(shí)噴油泵拉桿靜止不動(dòng)，可以排除油門(mén)電機故障，順便檢查發(fā)動(dòng)機機油、渦輪增壓器等部件完好。</p> <p style="padding-bottom: 0px; widows: 1; text-transform: none; background-color: rgb(255,255,255); text-indent: 0px; margin: 5px 0px; padding-left: 0px; padding-right: 0px; font: 16px/18px sans-serif; white-space: normal; letter-spacing: normal; color: rgb(51,51,51); word-spacing: 0px; padding-top: 0px; -webkit-text-stroke-width: 0px">（3）當液壓系統出現故障時(shí)同樣導致憋車(chē)，進(jìn)入監控器觀(guān)察主泵比例電磁閥電流隨轉速而變化與其它 XE215CA 對比電流基本一致。用液壓表測量先導壓力約為 30 公斤/平方厘米（標準值 39 公斤/平方厘米），偏低?，F將先導壓力調制 40 公斤偏上，試車(chē)恢復正常。</p> <p style="padding-bottom: 0px; widows: 1; text-transform: none; background-color: rgb(255,255,255); text-indent: 0px; margin: 5px 0px; padding-left: 0px; padding-right: 0px; font: 16px/18px sans-serif; white-space: normal; letter-spacing: normal; color: rgb(51,51,51); word-spacing: 0px; padding-top: 0px; -webkit-text-stroke-width: 0px">將先導壓力調至標準值偏上后試車(chē)恢復正常，掉速在 180 轉/分。 <span id="dgxdtmb" class="Apple-converted-space"> </span> </p> </div> <div id="jfiolhx" class="apage" id="showfenye">   </div> <div id="mxdj7tp" class="gduo"> <span>下一篇：<a href="http://www.lhlfkr.cn/Article/5zrndwjjxt_1.html" title="5招讓您的挖掘機夏天不難過(guò)">5招讓您的挖掘機夏天不難過(guò)</a></span>上一篇：<a href="http://www.lhlfkr.cn/Article/xtwjjdkdbg_1.html" title="夏天挖掘機的空調不工作是什么原因？"> 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