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Explains why high chain speed and sharp cutters require strict observance. Provides general safety guidance including compliance with local regulations, restrictions on noise power tools, training for new users, prohibitions for minors, keeping bystanders away, responsibility for preventing harm, and proper loan or rental with instruction understanding. Covers operating readiness, avoidance of impaired states, pausing work in poor weather, and special guidance for persons with pacemakers before use.",{"@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/stihl-chainsaw-instruction-manual-safety-precautions/646674/",{"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/stihl-chainsaw-instruction-manual-safety-precautions/646674.png","ImageObject",300,407,{"name":92,"@type":93},"Mimi","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-11-07","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},"Why are the safety precautions especially important for a chain saw?","Question",{"text":113,"@type":114},"Chain saws have very high chain speed and very sharp cutters. Observing the manual reduces the risk of serious or even fatal injury and property damage.","Answer",{"name":116,"@type":111,"acceptedAnswer":117},"Who should not operate a chainsaw?",{"text":118,"@type":114},"Minors should never be allowed to use a chainsaw. Also, do not operate the saw if you are under the influence of substances that impair vision, dexterity, or judgment.",{"name":120,"@type":111,"acceptedAnswer":121},"What special caution is recommended for people with pacemakers?",{"text":122,"@type":114},"The ignition system produces a very low-intensity electromagnetic field that may interfere with some pacemakers. STIHL recommends consulting a physician and the pacemaker manufacturer before operating the power tool.","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},646674,1793149683,{"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":36,"language":140,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":141,"faqs":142,"seo_title":143,"seo_description":67,"update_tm":144,"read_time":145,"preview_page_count":4},2336477974920,"https://ap-avatar.wpscdn.com/davatar_155a257f0dc6eb9ab79c44ca47cae57d","MS  \n170, 180  \n2-39 Instruction Manual  \nEnglish  \nContents  \n1 Guide to Using this Manual.........................2  \n2 Safety Precautions...................................... 3  \n3 Reactive Forces.......................................... 7  \n4 Working Techniques................................... 8  \n5 Cutting Attachment................................... 15  \n6 Mounting the Bar and Chain (front chain tensioner) .................................................. 15  \n7 Mounting the Bar and Chain (quick chain tensioner) .................................................. 16  \n8 Tensioning the Saw Chain (front chain ten‐ sioner) ....................................................... 18  \n9 Tensioning the Saw Chain (quick chain ten‐ sioner) ....................................................... 18  \n10 Checking Chain Tension........................... 19  \n11 Fuel........................................................... 19  \n12 Fueling...................................................... 20  \n13 Chain Lubricant......................................... 20  \n14 Filling Chain Oil Tank................................ 21  \n15 Checking Chain Lubrication...................... 21  \n16 Chain Brake.............................................. 21  \n17 Starting / Stopping the Engine.................. 22  \n18 Operating Instructions............................... 26  \n19 Taking Care of the Guide Bar................... 26  \n20 Shroud...................................................... 27  \n21 Cleaning the Air Filter............................... 27  \n22 Adjusting the Carburetor........................... 27  \n23 Spark Arresting Screen in Muffler............. 28  \n24 Spark Plug................................................ 28  \n25 Storing the Machine.................................. 29  \n26 Checking and Replacing the Chain Sprocket.................................................... 29  \n27 Maintaining and Sharpening the Saw Chain.................................................................. 30  \n28 Maintenance and Care..............................34  \n29 Main Parts................................................. 36  \n30 Specifications............................................ 36  \n31 Ordering Spare Parts................................ 37  \n32 Maintenance and Repairs......................... 38  \n33 Disposal.................................................... 38  \n34 EC Declaration of Conformity................... 38  \n 1 Guide to Using this Manual  \nThis Instruction Manual refers to a STIHL chainsaw, also called a machine in this Instruction  \nFuel tank; fuel mixture of gasoline and engine oil  \nTank for chain oil; chain oil  \nEngage and release chain brake  \nCoasting brake  \nDirection of chain travel  \nEmatic; chain oil flow adjustment  \nTension saw chain  \nIntake air baffle: winter operation  \nIntake air baffle: summer operation  \nHandle heating  \nActuate decompression valve  \nActuate manual fuel pump  \nSymbols in text  \n0000006694_013_GB Paper is recyclable .  \nWARNING  \nWarning where there is a risk of an accident or personal injury or serious damage to property.   \nNOTICE  \nOriginal Instruction Manual Printed on ch lorine-free paper  \nManual.  \n1.1 Pictograms  \nPictograms that appear on the machine are explained in this Instruction Manual.  \nDepending on the machine and equipment ver‐ sion, the following pictograms may appear on the machine.  \n2  \nCaution where there is a risk of damaging the machine or its individual components.  \n1.3 Engineering improvements  \nSTIHL's philosophy is to continually improve all of its products. For this reason we may modify the design, engineering and appearance of our products periodically.  \n0458-207-8321-C  \n© ANDREAS ST IHL AG & Co . KG 2024 0458-207-832 1-C . VA2. .B24   \n2 Safety Precautions English  \nTherefore, some changes, modifications and improvements may not be covered in this man‐ ual.  \n2 Safety Precautions  \nSpecial safety precautions must be observed to reduce the ri","cbCaiukq47CTPBn7","https://ap.wps.com/l/cbCaiukq47CTPBn7","pdf",2387168,"English","# Contents\n## 1 Guide to Using this Manual\n## 2 Safety Precautions\n## 3 Reactive Forces\n## 4 Working Techniques\n## 5 Cutting Attachment\n## 6 Mounting the Bar and Chain (front chain tensioner)\n## 7 Mounting the Bar and Chain (quick chain tensioner)\n## 8 Tensioning the Saw Chain (front chain tensioner)\n## 9 Tensioning the Saw Chain (quick chain tensioner)\n## 10 Checking Chain Tension\n## 11 Fuel\n## 12 Fueling\n## 13 Chain Lubricant\n## 14 Filling Chain Oil Tank\n## 15 Checking Chain Lubrication\n## 16 Chain Brake\n## 17 Starting / Stopping the Engine\n## 18 Operating Instructions\n## 19 Taking Care of the Guide Bar\n## 20 Shroud\n## 21 Cleaning the Air Filter\n## 22 Adjusting the Carburetor\n## 23 Spark Arresting Screen in Muffler\n## 24 Spark Plug\n## 25 Storing the Machine\n## 26 Checking and Replacing the Chain Sprocket\n## 27 Maintaining and Sharpening the Saw Chain\n## 28 Maintenance and Care\n## 29 Main Parts\n## 30 Specifications\n## 31 Ordering Spare Parts\n## 32 Maintenance and Repairs\n## 33 Disposal\n## 34 EC Declaration of Conformity","[{\"question\":\"Why are the safety precautions especially important for a chain saw?\",\"answer\":\"Chain saws have very high chain speed and very sharp cutters. Observing the manual reduces the risk of serious or even fatal injury and property damage.\"},{\"question\":\"Who should not operate a chainsaw?\",\"answer\":\"Minors should never be allowed to use a chainsaw. Also, do not operate the saw if you are under the influence of substances that impair vision, dexterity, or judgment.\"},{\"question\":\"What special caution is recommended for people with pacemakers?\",\"answer\":\"The ignition system produces a very low-intensity electromagnetic field that may interfere with some pacemakers. STIHL recommends consulting a physician and the pacemaker manufacturer before operating the power tool.\"}]","STIHL Chainsaw Instruction Manual - Safety Precautions | PDF",1792766011,101]