[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"detail-sidebar-cat-0-en-105":3,"doc-seo-676803-105":59,"doc-detail-676803-en":129},{"code":4,"msg":5,"data":6},0,"success",[7,13,18,23,28,33,38,43,48,51,55],{"id":8,"doc_module":4,"doc_module_name":9,"category_name":10,"show_sort_weight":11,"slug":12},1,"Document","Story & Novel",90,"story-novel",{"id":14,"doc_module":4,"doc_module_name":9,"category_name":15,"show_sort_weight":16,"slug":17},2,"Literature",80,"literature",{"id":19,"doc_module":4,"doc_module_name":9,"category_name":20,"show_sort_weight":21,"slug":22},4,"Exam",70,"exam",{"id":24,"doc_module":4,"doc_module_name":9,"category_name":25,"show_sort_weight":26,"slug":27},5,"Comic",60,"comic",{"id":29,"doc_module":4,"doc_module_name":9,"category_name":30,"show_sort_weight":31,"slug":32},6,"Technology",50,"technology",{"id":34,"doc_module":4,"doc_module_name":9,"category_name":35,"show_sort_weight":36,"slug":37},7,"Healthcare",40,"healthcare",{"id":39,"doc_module":4,"doc_module_name":9,"category_name":40,"show_sort_weight":41,"slug":42},8,"Research & Report",30,"research-report",{"id":44,"doc_module":4,"doc_module_name":9,"category_name":45,"show_sort_weight":46,"slug":47},9,"Religion & Spirituality",20,"religion-spirituality",{"id":46,"doc_module":4,"doc_module_name":9,"category_name":49,"show_sort_weight":46,"slug":50},"World Cup","world-cup",{"id":52,"doc_module":4,"doc_module_name":9,"category_name":53,"show_sort_weight":52,"slug":54},10,"Lifestyle","lifestyle",{"id":56,"doc_module":4,"doc_module_name":9,"category_name":57,"show_sort_weight":24,"slug":58},19,"General","general",{"code":4,"msg":60,"data":61},"ok",{"site_id":62,"language":63,"slug":64,"title":65,"keywords":66,"description":67,"schema_data":68,"social_meta":122,"head_meta":124,"extra_data":126,"updated_unix":128},105,"en","jinma-hhjm-254e454e-wheel-tractors-operation-manual-preface","JINMA HHJM-254E/454E Wheel Tractors Operation Manual - Preface","","Operation manual for JINMA HHJM-254E/454E wheel tractors provided by Jiangsu Yueda Intelligent Agricultural Equipment Co., Ltd. It explains safe-operation precautions, including warning/attention/important safety levels, and notes that tractor structure may differ from descriptions due to updates. The manual outlines content covering safe procedures, general description, key technical specifications, operation of fuel, lubrication, water use, running-in, controls, working units, and electrical equipment, followed by technical maintenance, adjustments, and troubleshooting.",{"@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/jinma-hhjm-254e454e-wheel-tractors-operation-manual-preface/676803/",{"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/jinma-hhjm-254e454e-wheel-tractors-operation-manual-preface/676803.png","ImageObject",300,407,{"name":92,"@type":93},"Sarah ","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 the HHJM-254E/454E wheel tractor operation manual?","Question",{"text":111,"@type":112},"It helps customers operate, adjust, repair, and maintain the tractors more effectively to achieve better performance. It also compiles guidance beyond basic operation, including maintenance and adjustments.","Answer",{"name":114,"@type":109,"acceptedAnswer":115},"How should operators interpret the precaution symbols in the manual?",{"text":116,"@type":112},"The manual uses a precaution symbol to mark important safety information. “Warning” and “Attention” highlight correct steps, while “Important” focuses on correct procedures to avoid damage to the tractor or equipment.",{"name":118,"@type":109,"acceptedAnswer":119},"Where can users find engine-related operation and maintenance instructions?",{"text":120,"@type":112},"For operation and maintenance of the engines, the manual instructs users to refer to the diesel engine manual.","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},676803,1793776752,{"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},962085320529,"https://ap-avatar.wpscdn.com/davatar_9964176cb1d06d4a9deccf72a44ae3dc","OPERATION MANUAL  \n HHJM-254E/454E  \nHHJM  \nJM  \nJINMA  \nHUANGHAIJINMA  \nJiangsu Yueda Intelligent Agricultural Equipment CO.,LTD.  \nPreface  \nThank you for your trust on our HHJM-254E and HHJM-454E series wheel tractors . This series is reasonable in structure, excellent in materials and completed in performance. They are applicable for a wide range of gardening or field work, not for forestry application. In order to help customres operate, adjust , repair and maintain the products in a better way, and for better performance of this series, we compile this operation manual. As for the operation & maintenance manue of engines, please refer to diesel engine manual.  \nWith technical development and requirenments from our customers, descriptions in the manual may differ from the real structure of your tractors and the differences will be involved in the next version. If what you want to know is beyond this book, plesease contact the agent or the manufactuer.  \n“ ”Precaution Symbol  \nIn this manual, this precaution symbol means some important safety information. Seeing this symbol, you should read the contents below it carefully and inform other operators to protect from possible hurts.  \n\"Warning \" and \"Attention \": These focus on correct steps or techniqus in operations. Driver or stander-bys will be hurt or even die due to ignore.  \n\"Important\" : These focus on correct steps or techniqus in operations. Your ignore can result in the damages to tractors or equipments.  \nContents  \nPreface  \nChapter One Precautions for Safe Operations-----------------------------------------------------1  \nChapter Two General Description----------------------------------------------------------------11  \nChapter Three Key Technical Specifications ofthe Tractors---------------------------------12  \n3.1 Parameters of whole unit----------------------------------------------------------------------12  \n3.2 Engine Parameter-------------------------------------------------------------------------------13  \n3.3 Transmission system---------------------------------------------------------------------------14  \n3.4 Travel, steering and braking systems---------------------------------------------------------15  \n3.5 Working unit-------------------------------------------------------------------------------------16  \n3.6 Electrical system-------------------------------------------------------------------------------17  \n3.7 Liquid filling capacity-------------------------------------------------------------------------17  \nChapter Four Operation of Tractor----------------------------------------------------------------18  \n4.1 The fuel and lubricating oil of the tractor----------------------------------------------------18  \n4.2 Water using--------------------------------------------------------------------------------------19  \n4.3 Running-in---------------------------------------------------------------------------------------19  \n4.4 Steering mechanism and meters--------------------------------------------------------------21  \n4.5 Control and drive-------------------------------------------------------------------------------22  \n4.6 Operation and use of the working units of tractor---------------------------25  \n4.7 Operation of electrical equipments------------------------------------------------------------28  \nChapter Five Technical Maintenance of the Tractor-----------------------------------------31  \n5.1 Technical service of every shift--------------------------------------------------------------31  \n5.2 Class-I technical service----------------------------------------------------------------------31  \n5.3 Class-II technical service----------------------------------------------------------------------32  \n5.4 Class-III technical service----------------------------------------------------------------------32  \n5.5 Class-IV technical service----------------------------------------------------------------------32  \n5.6 Technical service in winter---","cbCaibkOTA3saIpj","https://ap.wps.com/l/cbCaibkOTA3saIpj","pdf",2233613,81,"English","# Preface\n# Chapter One Precautions for Safe Operations\n# Chapter Two General Description\n# Chapter Three Key Technical Specifications of the Tractors\n## Parameters of whole unit\n## Engine Parameter\n## Transmission system\n## Travel, steering and braking systems\n## Working unit\n## Electrical system\n## Liquid filling capacity\n# Chapter Four Operation of Tractor\n## Fuel and lubricating oil of the tractor\n## Water using\n## Running-in\n## Steering mechanism and meters\n## Control and drive\n## Working units operation and use\n## Operation of electrical equipments\n# Chapter Five Technical Maintenance of the Tractor\n## Technical service of every shift\n## Class-I technical service\n## Class-II technical service\n## Class-III technical service\n## Class-IV technical service\n## Technical service in winter\n## Technical service for long-time storage\n# Chapter VI Main Adjustments on Tractor\n## Adjustment on clutch\n## Adjustment on central transmission\n## Adjustment on differential lock\n## Adjustment on brakes\n## Adjustment on front axle\n## Adjustment on fore driving axle\n## Adjustment on rear wheel tread\n## Adjustment and operation of steering device\n## Structure and adjustment of hydraulic suspension system\n## Service and repair of electrical system\n## Intake and exhaust system\n## Operator Seat\n## ROPS\n## Swinging Drawbar\n## The plate of the tractor\n## Angle of the cardan\n# Chapter VII Main Troubles and Solutions","[{\"question\":\"What is the purpose of the HHJM-254E/454E wheel tractor operation manual?\",\"answer\":\"It helps customers operate, adjust, repair, and maintain the tractors more effectively to achieve better performance. It also compiles guidance beyond basic operation, including maintenance and adjustments.\"},{\"question\":\"How should operators interpret the precaution symbols in the manual?\",\"answer\":\"The manual uses a precaution symbol to mark important safety information. “Warning” and “Attention” highlight correct steps, while “Important” focuses on correct procedures to avoid damage to the tractor or equipment.\"},{\"question\":\"Where can users find engine-related operation and maintenance instructions?\",\"answer\":\"For operation and maintenance of the engines, the manual instructs users to refer to the diesel engine manual.\"}]","JINMA HHJM-254E/454E Wheel Tractors Operation Manual - Preface | PDF",204]