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The manual outlines system description and suitability, safety warnings against gasoline and other low-flashpoint liquids, primary inspection steps prior to installation, and operational procedures covering priming, single-pump and duplex modes, fuel-transfer behavior, maintenance, troubleshooting, and reference appendices for abbreviations, technical data, options, and drawings.",{"@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/packaged-pump-set-skid-pump-set-manual-may-2005-offon-duplex-mode/650005/",{"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/packaged-pump-set-skid-pump-set-manual-may-2005-offon-duplex-mode/650005.png","ImageObject",300,407,{"name":92,"@type":93},"AfterMidnight","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-11-13","2026-10-24",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 products are covered by this manual?","Question",{"text":112,"@type":113},"The manual covers Simplex Packaged Pump Sets and Skid Pump Sets, including pumps, pump motors, controls, and accessories provided as integrated, pre-plumbed and pre-wired systems.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"What liquids are these pump sets intended for?",{"text":117,"@type":113},"They are intended for use with fuel oil and lube oil, including class II or class III combustible liquids with a flash point of 100°F or higher.",{"name":119,"@type":110,"acceptedAnswer":120},"Why is gasoline prohibited?",{"text":121,"@type":113},"A warning states not to fill with gasoline. Using gasoline or other flammable liquids with a flash point less than 100°F creates an immediate explosion and fire hazard.","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},650005,1792911484,{"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},962090896061,"https://ap-avatar.wpscdn.com/davatar_9964176cb1d06d4a9deccf72a44ae3dc","PACKAGED PUMP SET & SKID PUMP SET MANUAL  \nMay 2005  \nOFF  \nON  \n|  |  |\n| --- | --- |\n| | \u003Cbr>|\n|  |  |\n|  |  |\n\nD U P LE X MO D E  \nPU M P 1 L EA D  \nPU M P 2 L EA D  \nB O TH  \nFUE L TRA NS FER SYSTEM  \n\\# \\#  \n\\# \\#  \nPACKAGED PUMP SET & SKID PUMP SET MANUAL • page 1 of 24  \nContents  \nDESCRIPTION .............................................................................. 2  \nPRIMARY INSPECTION ............................................................... 3  \nINSTALLATION ............................................................................. 3  \nPRIMING THE SYSTEM (REQUIRED) ......................................... 4  \nSINGLE PUMP OPERATION ........................................................ 5  \nAutomatic ............................................................................... 5  \nManual .................................................................................... 5  \nDUPLEX PUMP OPERATION ...................................................... 6  \nAutomatic Mode, Pump \\#1 Lead .......................................... 6  \nAutomatic Mode, Pump \\#2 Lead .......................................... 6  \nBoth Run ................................................................................ 6  \nFUEL LINE LEAK ......................................................................... 6  \nLOSS OF FLOW ........................................................................... 6  \nSUPER X-L PUMP ........................................................................ 7  \nSERIES 420 PUMP ....................................................................... 7  \nMAINTENANCE ............................................................................ 8  \nTROUBLESHOOTING .................................................................. 9  \nNo Fuel Delivered .................................................................. 9  \nInsufficient Fuel Delivered .................................................... 9  \nRapid Pump Wear .................................................................. 9  \nPump Delivers for Short Period and Quits .......................... 9  \nPump Requires Too Much Power ......................................... 9  \nNoisy Operation ..................................................................... 9  \nPump Requires Frequent Re-priming .................................. 9  \nMotor Does Not Turn or Turns Intermittently ....................... 9  \nPump Leaks Fuel ................................................................... 9  \nDRAWINGS AND PARTS LIST .................................................. 10  \nAPPENDIX A-ABBREVIATIONS USED IN THIS MANUAL ..... 11  \nAPPENDIX B-TECHNICAL DATA ............................................. 12  \nAPPENDIX C-OPTIONS ........................................................... 18  \nAPPENDIX D-TYPICAL DRAWINGS ....................................... 20  \nThe information herein is the property of Simplex, Inc. and/or its subsidiaries. Without written permission, any copying, transmitting to others, and other use except that for which it is loaned, is prohibited  \nSimplex, Inc. , 1139 North MacArthur Blvd. , Springfield, IL 62702-2314 • 217-525-6995 (24 Hr. ) • Fax 217-525-7984 spssks3 . p65 (5/05) • © 2005 Simplex, Inc. All Rights Reserved. • Printed in the USA. • [www.simplexdirect.com](www.simplexdirect.com)  \nPACKAGED PUMP SET & SKID PUMP SET MANUAL • page 2 of 24  \nDescription  \nPackaged as a pre-engineered, integrated system of pumps, pump motors, controlsand accessories, pre-plumbed and pre-wired, Simplex Packaged Pump Sets and Skid Pump Sets provide the user with the reliability of job engineered, system matched components, and factory assembled systems. These pump sets are intended for use with fuel oil, lube oil (class II or class III combustible liquids having a flash point of 100°F or higher) .  \nSimplex Packaged Pump Sets are totally enclosed units suitable for wall or pad mounting. All devices, wiring and plumbing are contain","cbCainKFgH19w4kG","https://ap.wps.com/l/cbCainKFgH19w4kG","pdf",1190533,27,"English","# DESCRIPTION\n# PRIMARY INSPECTION\n# INSTALLATION\n# PRIMING THE SYSTEM (REQUIRED)\n# SINGLE PUMP OPERATION\n## Automatic\n## Manual\n# DUPLEX PUMP OPERATION\n## Automatic Mode, Pump #1 Lead\n## Automatic Mode, Pump #2 Lead\n## Both Run\n# FUEL LINE LEAK\n# LOSS OF FLOW\n# MAINTENANCE\n# TROUBLESHOOTING\n## No Fuel Delivered\n## Insufficient Fuel Delivered\n## Rapid Pump Wear\n## Pump Delivers for Short Period and Quits\n## Pump Requires Too Much Power\n## Noisy Operation\n## Pump Requires Frequent Re-priming\n## Motor Does Not Turn or Turns Intermittently\n## Pump Leaks Fuel\n# DRAWINGS AND PARTS LIST\n# APPENDIX A-ABBREVIATIONS USED IN THIS MANUAL\n# APPENDIX B-TECHNICAL DATA\n# APPENDIX C-OPTIONS\n# APPENDIX D-TYPICAL DRAWINGS","[{\"question\":\"What products are covered by this manual?\",\"answer\":\"The manual covers Simplex Packaged Pump Sets and Skid Pump Sets, including pumps, pump motors, controls, and accessories provided as integrated, pre-plumbed and pre-wired systems.\"},{\"question\":\"What liquids are these pump sets intended for?\",\"answer\":\"They are intended for use with fuel oil and lube oil, including class II or class III combustible liquids with a flash point of 100°F or higher.\"},{\"question\":\"Why is gasoline prohibited?\",\"answer\":\"A warning states not to fill with gasoline. Using gasoline or other flammable liquids with a flash point less than 100°F creates an immediate explosion and fire hazard.\"}]","PACKAGED PUMP SET & SKID PUMP SET MANUAL - May 2005 - OFF/ON - D u p l e x Mode | PDF",1792813658,68]