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The foreword states the manual’s purpose for performing necessary upkeep and repairs on applicable engines and notes that information reflects the latest availability at publication time. The document includes general repair instructions, beginning with key safety and preparation steps such as disconnecting the grounding cable before service operations with the engine mounted.",{"@graph":69,"@context":121},[70,84,104],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":30,"@type":76,"position":81},"https://docshare.wps.com/document/technology/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/isuzu-diesel-engine-model-4le1-workshop-manual-foreword-general-repair-instructions/676456/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":98,"encodingFormat":97,"isAccessibleForFree":99,"interactionStatistic":100},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/isuzu-diesel-engine-model-4le1-workshop-manual-foreword-general-repair-instructions/676456.png","ImageObject",300,407,{"name":92,"@type":93},"Jake","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-11-04",true,{"@type":101,"interactionType":102,"userInteractionCount":4},"InteractionCounter",{"@type":103},"ViewAction",{"@type":105,"mainEntity":106},"FAQPage",[107,113,117],{"name":108,"@type":109,"acceptedAnswer":110},"What is the purpose of this 4LE1 workshop manual?","Question",{"text":111,"@type":112},"It is designed to help perform necessary maintenance, service, and repair procedures on applicable Isuzu industrial engines.","Answer",{"name":114,"@type":109,"acceptedAnswer":115},"Does the manual reflect the latest information at the time of publication?",{"text":116,"@type":112},"Yes. 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mounted.","https://schema.org",{"og:url":83,"og:type":123,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":125,"canonical":83},"index,follow",{"doc_id":127,"site_id":62},676456,1793775817,{"code":4,"msg":5,"data":130},{"doc_id":127,"user_id":131,"nickname":92,"user_avatar":132,"doc_module":4,"category_id":29,"category_name":30,"doc_title":65,"doc_description":67,"doc_content":133,"file_id":134,"file_url":135,"file_type":136,"file_size":137,"view_count":4,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":138,"language":139,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":140,"faqs":141,"seo_title":142,"seo_description":67,"update_tm":128,"read_time":143},962084928904,"https://ap-avatar.wpscdn.com/davatar_155a257f0dc6eb9ab79c44ca47cae57d","ANNEX B  \nISUZU DIESEL ENGINE-MODEL4LE1  \nWORKSHOP MANUAL  \nANNEX B  \nISUZU DIESEL ENGINE-MODEL 4LE1 WORKSHOP MANUAL  \nCONTENTS  \nPara  \nFOREWORD  \nSECTION 1-GENERAL INFORMATION  \n1 General repair instructions  \n3 Notes on the format of this manual  \n5 Model 4LE1 Appearance  \n6 Main data and specifications  \n7 Tightening torque specifications  \n9·Angular nut and bolt tightening method  \n10 Tightening torque on major components  \n11 Gasket location  \nSealant  \n12  \n13 Maintenance  \n13 Valve clearance and adjustment  \n14 Lubricating system  \n16 Cooling system  \n17 Injection timing  \n·19 Compression pressure measurement  \n20 Fuel syster  \n23 Recommended lubricating oHSECTION 2-ENGINE  \n24 Disassembly of externakparts  \n30 Disassembly of intemal parts  \n39 Inspection and repair  \n97 Reassembly ofinternal parts  \n138 Reassembly of external partsSECTION 3-LUBRICATING SYSTEM  \n160Oil pumpSECTION4-coOLINGSYSTEM  \n161 Water pump disassembl  \n162Water pump reassembly  \nThermostat  \n166  \nSECTION5-FUEL SYSTEM  \nGovernor  \n167  \n174Nozzle holder assembly  \nSECTION6-TROUBLESHOOTINGSECTION 7-SPECIAL TOOLSSECTION 8-CONVERSION TABLES  \nTable  \nPage1 Model 41LE1 specificatations………….    .…………1…  .2 Tighteniag torqiue specifications forstandard bo…     …......形    tt  t  i83 Tiabton  \n3       iahtening torgue SDeCifications for flanged head bolt                                                                  ⁹eau DUH……       ………   …   …………  …4 Specified angle and tightening rotation………………………………………  ………………………………      115 Locations where sealant is applied……………………………………………………………  …     196 Valve clearances                                                                                 21………   ………      …    ……  ………     ……   …        Z1  \n7.Identification mark of shim and its thickness……………………………………………………………     23  \n(continued)  \nAnnex B  \nPage 1  \nCONTENTS (continued)  \nTabfe  \nPage  \n8 Backlash of timing gear……………………  \n31  \n…………  …     ……   …        ……  \n9 Idler gear end play…………………………………  …  \n31  \n10  (  \nCrankshaft end play  \n32  \n......  \n……     ……  \n…    ……  \n……………            ……  \n11 Cylinder bore diame  \nter and grade mark..  \n…           ………        ……    …  \nFig.  \nPage  \n1 Typical explode2 Left side view  \n………………  \nd view.  \n6  \n.  \n…        …  \n………  ……   ……  ……  \n…        .  \n...  \n…n        ……  \n…        …  \n………    ………  …    …  \n3 Digbt cido  \nKignt sice view  …………………………    ……  ………         …     …  ………………        6  \n4 Cooling fan and water pump tightening torque……………………………………    …………     12  \n5 Cylinder head and cylinder head cover tightening torque……………………………………    13  \n6 Cylinder block and other components tightening torque(1)…………………      ……………    14  \n7 Cylinder block and other components tightening torque(2)……………    ………………    15…………         ………………        14  \n8 Cylinder block and other components tightening torque (3)………   ………………………   16  \n9 Turbocharger tightening torque ……………………………………………………………………   17  \n10 Locations where gaskets are used…………………………………        ………………  18  \n…    ……m     ……                …………           21  \n12 External parts (left-hand side)………………………………   ………………………       28  \n13 External parts (right-hand side)………   ……………….       2                29  \nh         …eY          …………  …  …  \n14 Disassembly internal parts (sheet 1 of 3)………  ……  ……      ………………  …      33  \n15 Disassembly internal parts(sheet 2 of 3)…                                                 3  \n……         ………   …   …  …   …  …       34  \n16      Dieo00     l  \n16 Disassembly internal parts(sheet 3 of 3)………………          ……………………  …      35  \nV    …                 ………………  ……  \n17 c、iedor   o  \n17 Cylinder head assembly ……………………     ……      ………………………  ……      37  \n…大      ………………………………  \n18 Tirin A   r  \n.18 Timing gea………  ………………………                  ………               38  \n………         ………          …        …       30  \n19 Piston and connecting ro………………     ……      …………………………   ……  …      39  \n20 Cylinder head assembly ……………………………………  …………………………………       ","cbCairYYEMvQ7tnO","https://ap.wps.com/l/cbCairYYEMvQ7tnO","pdf",5626407,153,"English","# FOREWORD\n# SECTION 1-GENERAL INFORMATION\n## 1 General repair instructions for the 4LE1 engine are as follows","[{\"question\":\"What is the purpose of this 4LE1 workshop manual?\",\"answer\":\"It is designed to help perform necessary maintenance, service, and repair procedures on applicable Isuzu industrial engines.\"},{\"question\":\"Does the manual reflect the latest information at the time of publication?\",\"answer\":\"Yes. The foreword indicates the information contained is the latest available at the time of publication.\"},{\"question\":\"What should be done before performing service operations with the engine mounted?\",\"answer\":\"Disconnect the grounding cable before any service operation with the engine mounted.\"}]","ISUZU DIESEL ENGINE - MODEL 4LE1 WORKSHOP MANUAL - FOREWORD - General repair instructions | PDF",386]