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src="https://tyunfile.71360.com/UploadFile/bm03bazx/637243593665029297/5237514.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="l9nhptz" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/bm03bazx/637243593665029297/5237514.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="3dprbjx" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價格要求：</span>面議</p><p><span>所在地：</span>貴州省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關鍵詞：</span>貴陽挖掘機租賃推薦</p><p><span>***更新：</span>2020-05-26 01:33:57</p><p><span id="click" >瀏覽次數(shù)：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="9tph971" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">貴州裕鑫工程機械有限公司</a></p><p><span>聯(lián)系人：</span>余濤</p><p><span>郵箱: </span>3623794418@qq.com</p><p><span>電話: </span>15692715256</p><p><span>傳真: </span>0851_</p><p><span>網(wǎng)址: </span></p><p><span>手機: </span>0851-85167915</p><p><span>地址: </span>貴州省貴安新區(qū)大學城（黨武鎮(zhèn)）貴安數(shù)字經(jīng)濟產(chǎn)業(yè)園7號樓409</p><p>[當前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="zz9z9pt" class="page-proshow02"><p class="title">詳細說明</p><div id="hlthnxl" class="box"><p>挖掘機故障排除：鏟斗不能正常工作。 <p> 一臺WY80型液壓挖掘機，在剛開始施工時各項動作都正常，但鏟斗挖掘速度緩慢，工作一段時間以后，隨著油溫的升高鏟斗缸逐漸變得無力，鏟斗裝不滿，不能正常工作。 </p> <p> 檢查先導壓力。機器剛開始工作時，油溫較低，先導壓力為3，貴陽挖掘機租賃推薦.5 MPa，鏟斗進行挖掘時，先導壓力降至2.5MPa；當油溫升高至55℃以上后，先導壓力為3.0MPa，若此時進行鏟斗挖掘，先導壓力即降至 2.0MPa以下?？梢?，鏟斗挖掘先導油路存有泄漏，致使先導壓力油不能完全打開主換向閥，故鏟斗挖掘速度緩慢。拆檢液控換向閥，發(fā)現(xiàn)其閥芯已嚴重磨損，與閥體的配合間隙很大，磨損量已超過了允許的極限值，導致油液大量泄漏。更換液控換向閥后故障排除。貴州裕鑫工程機械有限公司是具有完善的施工隊及專業(yè)的維修隊伍。主營：挖掘機的整機租賃、土石方工程，等業(yè)務。常年對外出租，價格公道，誠實守信，合作共贏；租用方式靈活，貴陽挖掘機租賃推薦、包月、計時、按臺班均可，貴陽挖掘機租賃推薦。承接：大小土石方工程，歡迎咨詢洽談。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="貴陽挖掘機租賃推薦" src="https://tyunfile.71360.com/UploadFile/bm03bazx/637243593665029297/5237514.jpg"></div><p> 挖掘機維修不能做的事。缸套和活塞新品不經(jīng)選配即安裝。在換裝汽缸套和活塞時，以為新的汽缸套和活塞都是標準件，都具有互換性，裝上去就能夠用了。實際上，汽缸套與活塞的尺寸都會有公差范圍。如果把大尺度的汽缸套配上小尺度的活塞，會使合作空隙過大，形成緊縮無力，啟動會比較困難。因而，換裝時需要查看標準缸套與活塞的尺寸分組代號，裝用的缸套和活塞有使標準活塞的尺寸分組代號與標準缸套的尺寸分組代號相同，只要這樣才干確保兩者之間具有規(guī)范的合作空隙。此外，各缸裝用同一分組代號的缸套和活塞的一起，還要留意裝前查驗缸塞空隙，為了確保裝置規(guī)范，在裝機前還應進行一次檢測，以防裝上假冒偽劣的殘次品。貴州裕鑫工程機械有限公司是具有完善的施工隊及專業(yè)的維修隊伍。主營：挖掘機的整機租賃、土石方工程，等業(yè)務。常年對外出租，價格公道，誠實守信，合作共贏；租用方式靈活、包月、計時、按臺班均可。承接：大小土石方工程，歡迎咨詢洽談。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="貴陽挖掘機租賃推薦" src="https://tyunfile.71360.com/UploadFile/bm03bazx/637243593666093750/1791604.jpg"></div><p> 挖掘機維修保養(yǎng)的知識整理。維修人員應該具備的基本知識。對挖掘機維修之前，要認真閱讀隨機的使用維護說明書，以對該機液壓系統(tǒng)有一個基本的認識。目前，中小型挖掘機液壓系統(tǒng)基本都是由主油路和先導操縱油路兩部分組成;主油路采用雙泵雙回路變量開式系統(tǒng)，先導操縱油路皆為定量系統(tǒng)。通過閱讀資料，掌握其系統(tǒng)的主要參數(shù)，如主安全閥的開啟壓力、先導操縱壓力和流量等;熟悉系統(tǒng)的原理圖，掌握系統(tǒng)中各元件符號的職能和相互關系，分析每個支回路的功用;對每個液壓元件的結構和工作原理也應有所了解;分析導致某一故障的可能原因;對照機器了解每個液壓元件所在的部位，以及它們之間的連接方式。具體診斷故障時，應遵循“有外到內(nèi)，先易后難”的順序，對導致某一故障的可能原因逐一進行排查。貴州裕鑫工程機械有限公司是具有完善的施工隊及專業(yè)的維修隊伍。主營：挖掘機的整機租賃、土石方工程，等業(yè)務。常年對外出租，價格公道，誠實守信，合作共贏；租用方式靈活、包月、計時、按臺班均可。承接：大小土石方工程，歡迎咨詢洽談。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="貴陽挖掘機租賃推薦" src="https://tyunfile.71360.com/UploadFile/bm03bazx/637243593665664062/2399852.jpg"></div></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/40270.html</p></div></div></div></div></div><div id="ld9lbdz" class="page-right twoColRt"><div id="3dpv3hb" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="nrl1pjb" class="recomPic likePro"><a 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