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Focuses on essential safety practices before operating, lubricating, maintaining, or repairing the product, emphasizing hazard recognition, required training, and authorized procedures. Explains the Safety Alert Symbol and signal words (DANGER, WARNING, CAUTION), describes notice-based operations that can cause damage, and stresses compliance with site-specific precautions. Provides guidance on obtaining current specifications and using recommended Cat replacement parts.",{"@graph":69,"@context":122},[70,84,105],{"@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/303c-cr-3035c-cr-304c-cr-305c-cr-mini-hydraulic-excavators-operation-and-maintenance-manual/646785/",{"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/303c-cr-3035c-cr-304c-cr-305c-cr-mini-hydraulic-excavators-operation-and-maintenance-manual/646785.png","ImageObject",300,407,{"name":92,"@type":93},"Ezra","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-11-14","2026-10-23",true,{"@type":102,"interactionType":103,"userInteractionCount":52},"InteractionCounter",{"@type":104},"ViewAction",{"@type":106,"mainEntity":107},"FAQPage",[108,114,118],{"name":109,"@type":110,"acceptedAnswer":111},"What is the primary cause of many accidents mentioned in the safety information?","Question",{"text":112,"@type":113},"Many accidents result from failing to observe basic safety rules or precautions. Recognizing potentially hazardous situations before an accident occurs can help avoid incidents.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"When is it allowed to perform operation, lubrication, maintenance, or repair on the equipment?",{"text":117,"@type":113},"Do not operate or perform any lubrication, maintenance, or repair until authorization to perform the work is verified and the relevant information has been read and understood.",{"name":119,"@type":110,"acceptedAnswer":120},"How are hazards identified in the manual?",{"text":121,"@type":113},"Hazards are identified by the “Safety Alert Symbol” followed by a “Signal Word” such as “DANGER”, “WARNING”, or “CAUTION”. The warning text explains the hazard and may be written or pictorially presented.","https://schema.org",{"og:url":83,"og:type":124,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":126,"canonical":83},"index,follow",{"doc_id":128,"site_id":62},646785,1793075628,{"code":4,"msg":5,"data":131},{"doc_id":128,"user_id":132,"nickname":92,"user_avatar":133,"doc_module":4,"category_id":34,"category_name":35,"doc_title":65,"doc_description":67,"doc_content":134,"file_id":135,"file_url":136,"file_type":137,"file_size":138,"view_count":52,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":139,"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},1099514068035,"https://ap-avatar.wpscdn.com/davatar_276721f389ce27ea32af1340a28f341c","SEBU8021-13 (en-us) April 2019  \nOperation and Maintenance  \nManual  \n303C CR, 303.5C CR, 304C CR, 305C CR Mini Hydraulic Excavators  \nBXT 1-Up (303C CR) DMY 1-Up (303.5C CR) FPK 1-Up (304C CR) HWJ 1-Up (305C CR)  \nScan to find and purchase genuine Cat® parts and related service information.  \ni06558969  \nImportant Safety Information  \nMost accidents that involve product operation, maintenance and repair are caused by failure to observe basic safety rules or precautions. An accident can often be avoided by recognizing potentially hazardous situations before an accident occurs. A person must be alert to potential hazards, including human factors that can affect safety. This person should also have the necessary training, skills and tools to perform these functions properly.  \nImproper operation, lubrication, maintenance or repair of this product can be dangerous and could result in injury or death.  \nDo not operate or perform any lubrication, maintenance or repair on this product, until you verify that you are authorized to perform this work, and have read and understood the operation, lubrication, maintenance and repair information.  \nSafety precautions and warnings are provided in this manual and on the product. If these hazard warnings are not heeded, bodily injury or death could occur to you or to other persons.  \nThe hazards are identified by the “Safety Alert Symbol” and followed by a “Signal Word” such as“DANGER”,“WARNING” or “CAUTION”. The Safety Alert “WARNING” label is shown below.  \nThe meaning of this safety alert symbol is as follows:  \nAttention! Become Alert! Your Safety is Involved.  \nThe message that appears under the warning explains the hazard and can be either written or pictorially presented.  \nA non-exhaustive list of operations that may cause product damage are identified by “NOTICE” labels on the product and in this publication.  \nCaterpillar cannot anticipate every possible circumstance that might involve a potential hazard. The warnings in this publication and on the product are, therefore, not all inclusive. You must not use this product in any manner different from that considered by this manual without first satisfying yourself that you have considered all safety rules and precautions applicable to the operation of the product in the location of use, including site-specific rules and precautions applicable to the worksite. If a tool, procedure, work method or operating technique that is not specifically recommended by Caterpillar is used, you must satisfy yourself that it is safe for you and for others. You should also ensure that you are authorized to perform this work, and that the product will not be damaged or become unsafe by the operation, lubrication, maintenance or repair procedures that you intend to use.  \nThe information, specifications, and illustrations in this publication are on the basis of information that was available at the time that the publication was written. The specifications, torques, pressures, measurements, adjustments, illustrations, and other items can change at any time. These changes can affect the service that is given to the product. Obtain the complete and most current information before you start any job. Cat dealers have the most current information available.  \nWhen replacement parts are required for this product Caterpillar recommends using Cat replacement parts.  \nFailure to follow this warning may lead to premature failures, product damage, personal injury or death.  \nIn the United States, the maintenance, replacement, or repair of the emission control devices and systems may be performed by any repair establishment or individual of the owner's choosing.  \nSEBU8021-13 3  \nTable of Contents  \nTable of Contents  \nForeword ........................................................... 4  \nSafety Section  \nSafety Messages ............................................... 6  \nAdditional Messages ....................................... 13  \nGeneral Hazard Information....","cbCaicNPdYRrCodZ","https://ap.wps.com/l/cbCaicNPdYRrCodZ","pdf",8921211,192,"English","# Foreword\n# Safety Section\n## Safety Messages\n## Additional Messages\n## General Hazard Information\n## Crushing Prevention and Cutting Prevention\n## Burn Prevention\n## Fire Prevention and Explosion Prevention\n## Fire Extinguisher Location\n## Track Information\n## Electrical Storm Injury Prevention\n## Before Starting Engine\n## Visibility Information\n## Engine Starting\n## Before Operation\n## Work Tools\n## Operation\n## Engine Stopping\n## Lifting Objects\n## Parking\n## Slope Operation\n## Equipment Lowering with Engine Stopped\n## Sound Information and Vibration Information\n## Operator Station\n## Guards (Operator Protection)\n# Product Information Section\n## General Information\n## Identification Information\n# Operation Section\n## Before Operation\n## Machine Operation\n## Engine Starting\n## Operation\n## Operating Techniques\n## Parking\n## Transportation Information\n## Towing Information","[{\"question\":\"What is the primary cause of many accidents mentioned in the safety information?\",\"answer\":\"Many accidents result from failing to observe basic safety rules or precautions. Recognizing potentially hazardous situations before an accident occurs can help avoid incidents.\"},{\"question\":\"When is it allowed to perform operation, lubrication, maintenance, or repair on the equipment?\",\"answer\":\"Do not operate or perform any lubrication, maintenance, or repair until authorization to perform the work is verified and the relevant information has been read and understood.\"},{\"question\":\"How are hazards identified in the manual?\",\"answer\":\"Hazards are identified by the “Safety Alert Symbol” followed by a “Signal Word” such as “DANGER”, “WARNING”, or “CAUTION”. The warning text explains the hazard and may be written or pictorially presented.\"}]","303C CR, 303.5C CR, 304C CR, 305C CR Mini Hydraulic Excavators - Operation and Maintenance Manual | PDF",1792769603,484]