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Includes mandatory safety alert symbol guidance, safety signal words for imminent, potentially hazardous, and minor/moderate hazards, plus safety and property-protection information. Covers compliance and reporting of safety bulletins, accident notification requirements, revision history, and structured sections covering safety precautions, user responsibilities, inspections, machine controls, and core operating topics such as platform, steering, and travel.",{"@graph":69,"@context":123},[70,84,106],{"@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":35,"@type":76,"position":81},"https://docshare.wps.com/document/healthcare/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/operation-and-safety-manual-original-instructions-boom-lift-models-520aj-safety-and-operating-procedures/641648/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":99,"encodingFormat":97,"isAccessibleForFree":100,"interactionStatistic":101},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/operation-and-safety-manual-original-instructions-boom-lift-models-520aj-safety-and-operating-procedures/641648.png","ImageObject",300,407,{"name":92,"@type":93},"dhado","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-11-08","2026-10-23",true,{"@type":102,"interactionType":103,"userInteractionCount":105},"InteractionCounter",{"@type":104},"ViewAction",11,{"@type":107,"mainEntity":108},"FAQPage",[109,115,119],{"name":110,"@type":111,"acceptedAnswer":112},"What is the purpose of the 520AJ operation and safety manual?","Question",{"text":113,"@type":114},"The manual provides owners, users, operators, lessors, and lessees with essential precautions and operating procedures needed for safe and proper operation for its intended purpose.","Answer",{"name":116,"@type":111,"acceptedAnswer":117},"How should safety alert symbols and signal words be interpreted?",{"text":118,"@type":114},"The safety alert symbol warns of potential personal injury hazards. 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JLG must be contacted for updated safety bulletin information, and JLG must be notified immediately in cases involving bodily injury or death or substantial damage to property or the JLG product.","https://schema.org",{"og:url":83,"og:type":125,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":127,"canonical":83},"index,follow",{"doc_id":129,"site_id":62},641648,1793071161,{"code":4,"msg":5,"data":132},{"doc_id":129,"user_id":133,"nickname":92,"user_avatar":134,"doc_module":4,"category_id":34,"category_name":35,"doc_title":65,"doc_description":67,"doc_content":135,"file_id":136,"file_url":137,"file_type":138,"file_size":139,"view_count":105,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":140,"language":141,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":142,"faqs":143,"seo_title":144,"seo_description":67,"update_tm":145,"read_time":146,"preview_page_count":4},5909893218464,"https://ap-avatar.wpscdn.com/davatar_085a072bc5b1113ac321206ff7593b45","Operation and Safety Manual  \nOriginal Instructions-Keep this manual with the machine at all times.  \nBoom Lift Models 520AJ  \nAS/NZS 3121664  \nNovember 5, 2018  \nFOREWORD  \nThis manual is a very important tool! Keep it with the machine at all times.  \nThe purpose of this manual is to provide owners, users, operators, lessors, and lessees with the precautions and operating procedures essential for the safe and proper machine operation for its intended purpose.  \nDue to continuous product improvements, JLG Industries, Inc. reserves the right to make specification changes without prior notification. Contact JLG Industries, Inc. for updated information.  \n3121664 a  \nSAFETY ALERT SYMBOLS AND SAFETY SIGNAL WORDS  \nThis is the Safety Alert Symbol. It is used to alert you to the potential personal injury hazards. Obey all safety messages that follow this symbol to avoid possible injury or death  \nINDICATES AN IMMINENTLY HAZARDOUS SITUATION. IF NOT AVOIDED, WILL RESULT IN SERIOUS INJURY OR DEATH. THIS DECAL WILL HAVE A RED BACKGROUND.  \nINDICATES A POTENTIALLY HAZARDOUS SITUATION. IF NOT AVOIDED, COULD RESULT IN SERIOUS INJURY OR DEATH. THIS DECAL WILL HAVE AN ORANGE BACKGROUND.  \nINDICATES A POTENTIALLY HAZARDOUS SITUATION. IF NOT AVOIDED, MAY RESULT IN MINOR OR MODERATE INJURY. IT MAY ALSO ALERT AGAINST UNSAFE PRACTICES. THIS DECAL WILL HAVE A YELLOW BACKGROUND.  \nINDICATES INFORMATION OR A COMPANY POLICY THAT RELATES DIRECTLY OR INDIRECTLY TO THE SAFETY OF PERSONNEL OR PROTECTION OF PROPERTY.  \nb 3121664  \nTHIS PRODUCT MUST COMPLY WITH ALL SAFETY RELATED BULLETINS. CONTACT JLG INDUSTRIES, INC. OR THE LOCAL AUTHORIZED JLG REPRESENTATIVE FOR INFORMATION REGARDING SAFETY-RELATED BULLETINS WHICH MAY HAVE BEEN ISSUED FOR THIS PRODUCT.  \nJLG INDUSTRIES, INC. SENDS SAFETY RELATED BULLETINS TO THE OWNER OF RECORD OF THIS MACHINE. CONTACT JLG INDUSTRIES, INC. TO ENSURE THAT THE CURRENT OWNER RECORDS ARE UPDATED AND ACCURATE.  \nJLG INDUSTRIES, INC. MUST BE NOTIFIED IMMEDIATELY IN ALL INSTANCES WHERE JLG PRODUCTS HAVE BEEN INVOLVED IN AN ACCIDENT INVOLVING BODILY INJURY OR DEATH OF PERSONNEL OR WHEN SUBSTANTIAL DAMAGE HAS OCCURRED TO PERSONAL PROPERTY OR THE JLG PRODUCT.  \nFor:  \n• Accident Reporting  \n• Product Safety Publications  \n• Current Owner Updates  \n• Questions Regarding Product Safety  \n• Standards and Regulations Compliance Information  \n• Questions Regarding Special Product Applications  \n• Questions Regarding Product Modifications  \nContact:  \nProduct Safety and Reliability Department JLG Industries, Inc.  \n13224 Fountainhead Plaza Hagerstown, MD 21742  \nUSA  \nor Your Local JLG Office  \n(See addresses on rear cover)  \nIn USA:  \nToll Free: 877-JLG-SAFE (877-554-7233)  \nOutside USA:  \nPhone: 240-420-2661  \nFax: 301-745-3713  \nE-mail: [ProductSafety@JLG.com](ProductSafety@JLG.com)  \nREVISION LOG  \nOriginal Issue Revised  \nRevised  \nRevised  \nRevised  \nA-July 10, 2015  \nB-November 17, 2016 C-November 1, 2017 D-March 23, 2018 E-November 5, 2018  \nSECTION-PARAGRAPH, SUBJECT PAGE SECTION-PARAGRAPH, SUBJECT PAGE  \nSECTION-1-SAFETY PRECAUTIONS  \n1 1 GENERAL 1-1  \nSkyGuard Function Test............................ 2-7  \nGeneral ......................................... 2-10  \n1.2 PRE-OPERATION ..................................... 1-1  \nOperator Training and Knowledge ................. 1-1  \nWorkplace Inspection.............................. 1-2  \nMachine Inspection ................................ 1-3  \n1.3 OPERATION .......................................... 1-3  \nGeneral ........................................... 1-3  \nTrip and Fall Hazards............................... 1-4  \nElectrocution Hazards ............................. 1-5  \nTipping Hazards ................................... 1-7  \nCrushing and Collision Hazards .................. 1-10  \n1.4 TOWING, LIFTING, AND HAULING .................... 1-11  \n1.5 MAINTENANCE...................................... 1-11  \nMaintenance Hazards ............................ 1-11  \nBattery Haza","cbCaicgQKOQ71NV8","https://ap.wps.com/l/cbCaicgQKOQ71NV8","pdf",4972457,124,"English","# Foreword\n# Safety Alert Symbols and Safety Signal Words\n## Safety alert symbol meanings\n# Safety Bulletins, Owner Updates, and Contact Information\n# Revision Log\n# Section-1 Safety Precautions\n## General\n## Pre-operation\n## Operation\n## Towing, Lifting, and Hauling\n## Maintenance\n# Section-2 User Responsibilities, Machine Preparation, and Inspection\n## Personnel training\n## Preparation, inspection, and maintenance\n## Oscillating axle lockout test\n# Section-3 Machine Controls and Indicators\n## General\n## Controls and indicators\n# Section-4 Machine Operation\n## Description\n## Boom operating characteristics and limitations\n## Engine operation\n## Traveling (driving)\n## Steering\n## Platform","[{\"question\":\"What is the purpose of the 520AJ operation and safety manual?\",\"answer\":\"The manual provides owners, users, operators, lessors, and lessees with essential precautions and operating procedures needed for safe and proper operation for its intended purpose.\"},{\"question\":\"How should safety alert symbols and signal words be interpreted?\",\"answer\":\"The safety alert symbol warns of potential personal injury hazards. Signal words indicate imminent danger (will result in serious injury or death), potential hazards (could result in serious injury or death), and lower-level hazards (may result in minor or moderate injury and may also warn against unsafe practices).\"},{\"question\":\"What actions are required regarding safety-related bulletins and accidents?\",\"answer\":\"The product must comply with all safety-related bulletins. JLG must be contacted for updated safety bulletin information, and JLG must be notified immediately in cases involving bodily injury or death or substantial damage to property or the JLG product.\"}]","Operation and Safety Manual - Original Instructions - Boom Lift Models 520AJ - Safety and Operating Procedures | PDF",1792715798,312]