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Injection Parts</a></li><li><a href="/Products/Marine-Fuel-Injection-Parts/RTA48T_B_Fuel_Injection_Parts.aspx">RTA48T-B Fuel Injection Parts</a></li><li><a href="/Products/Marine-Fuel-Injection-Parts/RTA52_RTA52U_Fuel_Injection_Parts.aspx">RTA52/RTA52U Fuel Injection Parts</a></li><li><a href="/Products/Marine-Fuel-Injection-Parts/RTA58_Fuel_Injection_Parts.aspx">RTA58 Fuel Injection Parts</a></li><li><a href="/Products/Marine-Fuel-Injection-Parts/RTA58T_Fuel_Injection_Parts.aspx">RTA58T Fuel Injection Parts</a></li><li><a href="/Products/Marine-Fuel-Injection-Parts/RTA62U_Fuel_Injection_Parts.aspx">RTA62U Fuel Injection Parts</a></li><li><a href="/Products/Marine-Fuel-Injection-Parts/RT_flex50_flex50B_Fuel_Injection_Parts.aspx">RT-flex50/flex50B Fuel Injection Parts</a></li><li><a href="/Products/Marine-Fuel-Injection-Parts/RT_flex58T_B_flex60c_Fuel_Injection_Parts.aspx">RT-flex58T-B/flex60c Fuel Injection Parts</a></li><li><a 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href="/Careers/Benefit.aspx">Benefit</a></li><li><a href="/Careers/Opportunity.aspx">Opportunity</a></li></ul></li></ul> <div style="clear:both;"></div> </div> <div class="zoneContent"> <table cellpadding="0" cellspacing="0" border="0" width="100%"> <tr> <td class="sidebar" valign="top"><ul class='UL subMenu'><li><a href="/About-US/News-and-Knowledge/Group-News.aspx">Group News</a></li><li><span class='active'><a href="/About-US/News-and-Knowledge/FIE-News.aspx">FIE News</a></span></li><li><a href="/About-US/News-and-Knowledge/Knowledge-Library.aspx">Knowledge Library</a></li></ul></td> <td class="body" valign='top'> <div class="navi"><a href='/default.aspx'>Home</a> > About US > News and Knowledge > FIE News</div> <div class="title"><h1>FIE News</h1></div> <div class="content"><div class='news'><div class='n_t'>3 Common Failures of High Pressure Pump</div><div class='n_d'>F-DIESEL FIE SYSTEM 11/23/2020 2:21:26 AM</div><div class='n_c'>[Key Words] <a href='/SearchNews.aspx?w=high pressure pump' title='high pressure pump'>high pressure pump</a> </div><div class='n_c'><p class="MsoNormal"><strong style="mso-bidi-font-weight:normal"><span style="font-size:14.0pt;mso-ascii-font-family:calibri;mso-hansi-font-family: calibri" lang="EN-US"><span style="font-size: 12pt;"><span style="font-family: Arial;"> </span></span></span></strong></p><p class="MsoNormal"><strong style="mso-bidi-font-weight:normal"><strong style="mso-bidi-font-weight:normal"><span style="font-size:14.0pt;mso-ascii-font-family:calibri;mso-hansi-font-family: calibri" lang="EN-US">Because of longtime working, high pressure pump will appear some faults. F-Diesel share you 3 malfunctions and solutions.</span></strong></strong></p><strong style="mso-bidi-font-weight:normal"> <p class="MsoNormal"><span style="font-size:14.0pt;mso-ascii-font-family: calibri;mso-hansi-font-family:calibri" lang="EN-US"> </span></p> <p class="MsoNormal"><strong style="mso-bidi-font-weight:normal"><span style="font-size:14.0pt;mso-ascii-font-family:calibri;mso-hansi-font-family: calibri" lang="EN-US">Fault 1. </span></strong><span style="font-size:14.0pt; mso-ascii-font-family:calibri;mso-hansi-font-family:calibri" lang="EN-US">When the pump starts with no flow or insufficient flow, it shows big pulsation of pressure and severe jitter of pipeline.</span></p> <p class="MsoNormal"><strong style="mso-bidi-font-weight:normal"><span style="font-size:14.0pt;mso-ascii-font-family:calibri;mso-hansi-font-family: calibri" lang="EN-US">Reason:</span></strong><span style="font-size:14.0pt;mso-ascii-font-family: calibri;mso-hansi-font-family:calibri" lang="EN-US"> 1. The air in the pump chamber is not clean; 2. The plunger inlet and outlet valve is not properly sealed; 3.</span><span style="font-size:14.0pt" lang="EN-US"> </span><span style="font-size: 14.0pt;mso-ascii-font-family:calibri;mso-hansi-font-family:calibri" lang="EN-US">The suction filter is blocked; 4. The relief valve or relief valve fails; 5. The suction pipe is too thin and too long, and the water tank level is low.</span></p> <p class="MsoNormal"><strong style="mso-bidi-font-weight:normal"><span style="font-size:14.0pt;mso-ascii-font-family:calibri;mso-hansi-font-family: calibri" lang="EN-US">Solution:</span></strong><span style="font-size:14.0pt; mso-ascii-font-family:calibri;mso-hansi-font-family:calibri" lang="EN-US"> 1. Vent the air; 2. Repair and change the seal; 3. Clear the suction filter; 4.</span><span style="font-size:14.0pt" lang="EN-US"> </span><span style="font-size: 14.0pt;mso-ascii-font-family:calibri;mso-hansi-font-family:calibri" lang="EN-US">Replacement of increased water.</span></p> <p class="MsoNormal"><span style="font-size:14.0pt;mso-ascii-font-family: calibri;mso-hansi-font-family:calibri" lang="EN-US"> </span></p> <p class="MsoNormal"><strong style="mso-bidi-font-weight:normal"><span style="font-size:14.0pt;mso-ascii-font-family:calibri;mso-hansi-font-family: calibri" lang="EN-US">Fault 2.</span></strong><span style="font-size:14.0pt; mso-ascii-font-family:calibri;mso-hansi-font-family:calibri" lang="EN-US"> The pump shows flow without pressure or flow under pressure.</span></p> <p class="MsoNormal"><strong style="mso-bidi-font-weight:normal"><span style="font-size:14.0pt;mso-ascii-font-family:calibri;mso-hansi-font-family: calibri" lang="EN-US">Reason:</span></strong><span style="font-size:14.0pt;mso-ascii-font-family: calibri;mso-hansi-font-family:calibri" lang="EN-US"> 1. Poor sealing of manual pressure relief valve, pressure regulating spring fatigue 2. The nozzle small holes are worn.</span></p> <p class="MsoNormal"><strong style="mso-bidi-font-weight:normal"><span style="font-size:14.0pt;mso-ascii-font-family:calibri;mso-hansi-font-family: calibri" lang="EN-US">Solution:</span></strong><span style="font-size:14.0pt; mso-ascii-font-family:calibri;mso-hansi-font-family:calibri" lang="EN-US"> 1. Repair the relief valve 2. Change the nozzle.</span></p> <p class="MsoNormal"><span style="font-size:14.0pt;mso-ascii-font-family: calibri;mso-hansi-font-family:calibri" lang="EN-US"> </span></p> <p class="MsoNormal"><strong style="mso-bidi-font-weight:normal"><span style="font-size:14.0pt;mso-ascii-font-family:calibri;mso-hansi-font-family: calibri" lang="EN-US">Fault 3</span></strong><span style="font-size:14.0pt;mso-ascii-font-family: calibri;mso-hansi-font-family:calibri" lang="EN-US">. Loud running noise and loud crashes when pump works.</span></p> <p class="MsoNormal"><strong style="mso-bidi-font-weight:normal"><span style="font-size:14.0pt;mso-ascii-font-family:calibri;mso-hansi-font-family: calibri" lang="EN-US">Reason:</span></strong><span style="font-size:14.0pt;mso-ascii-font-family: calibri;mso-hansi-font-family:calibri" lang="EN-US"> 1.Serious abrasion of crankshaft and bearing bush makes a large clearance and moving of connecting rod screws; 2. Sundry things in the pump make gear damage; 3. There is not enough liquid in the pump body.</span></p> <p class="MsoNormal"><strong style="mso-bidi-font-weight:normal"><span style="font-size:14.0pt;mso-ascii-font-family:calibri;mso-hansi-font-family: calibri" lang="EN-US">Solution:</span></strong><span style="font-size:14.0pt; mso-ascii-font-family:calibri;mso-hansi-font-family:calibri" lang="EN-US"> 1. Change crankshaft or bearing bush, tighten the screws; 2. Clear the pump and change the gear; 3. Check the oil quantity.</span></p> <p class="MsoNormal"><span style="font-size:14.0pt; mso-ascii-font-family:calibri;mso-hansi-font-family:calibri" lang="EN-US"><br /> </span></p> <p class="MsoNormal"><span style="font-size:14.0pt; mso-ascii-font-family:calibri;mso-hansi-font-family:calibri" lang="EN-US">Welcome follow us to learn more information about Fuel Injection System!<br /> </span></p> </strong><p> </p> <p class="MsoNormal"></p></div></div></div> <!-- AddThis Share Button BEGIN --> <div class="addthis_toolbox addthis_default_style "> <a href="http://www.addthis.com/bookmark.php?v=250&pubid=ra-4ec9b9140946ac03" class="addthis_button_compact">Share</a> <span class="addthis_separator">|</span> <a class="addthis_button_facebook"></a> <a class="addthis_button_twitter"></a> <a class="addthis_button_linkedin"></a> <a class="addthis_button_google"></a> <a class="addthis_button_preferred_1"></a> <a class="addthis_button_preferred_2"></a> <a class="addthis_button_email"></a> <a class="addthis_button_2tag"></a> <a class="addthis_button_google_plusone"></a> </div> <script type="text/javascript" src="http://s7.addthis.com/js/250/addthis_widget.js#pubid=ra-4ec9b9140946ac03"></script> <!-- AddThis Share Button END --> </td> </tr> </table> </div> <div class="zoneBottom"> <ul class="UL"> <li class="menu"><a href="http://www.turbochargers.cn/Contact-Us/Company-Location.aspx">Worldwide Office</a> | <a href="http://www.turbochargers.cn/sitemap.aspx">Sitemap</a> | <a href="http://www.turbochargers.cn/Privacy-Policy.aspx">Privacy Policy</a> | <a href="http://www.turbochargers.cn/Disclaimer.aspx">Disclaimer</a> </li><li class="copyright">Copyright © F-DIESEL All rights reserved. </li> </ul> <div style="padding-left: 10px; float: left; padding-bottom: 5px; width: 890px; color: #999">Disclaimer : F-DIESEL Group is in no way affiliated with BOSCH,DENSO,DELPHI,CATERPILLAR,SIEMENS,ZEXEL,CUMMINS,BENZ,MAN,MWM,DEUTZ ,NISSAN,MITSUBISHI,TOYOTA etc OEM manufacturers. 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