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Additional sections address nozzle selection and calibration, maintenance routines, off-season storage preparation, accessories, troubleshooting, technical specifications, and warranty policy and conditions.",{"@graph":14,"@context":72},[15,34,55],{"@type":16,"itemListElement":17},"BreadcrumbList",[18,23,27,31],{"item":19,"name":20,"@type":21,"position":22},"https://docshare.wps.com","Home","ListItem",1,{"item":24,"name":25,"@type":21,"position":26},"https://docshare.wps.com/document/","Document",2,{"item":28,"name":29,"@type":21,"position":30},"https://docshare.wps.com/document/healthcare/","Healthcare",3,{"item":32,"name":10,"@type":21,"position":33},"https://docshare.wps.com/document/hardi-n-series-3-pt-sprayer-diaphragm-operators-manual/664123/",4,{"url":32,"name":10,"@type":35,"image":36,"author":41,"headline":10,"publisher":44,"fileFormat":47,"inLanguage":8,"description":12,"dateModified":48,"datePublished":49,"encodingFormat":47,"isAccessibleForFree":50,"interactionStatistic":51},"DigitalDocument",{"url":37,"@type":38,"width":39,"height":40},"https://docshare.wps.com/thumbnails/hardi-n-series-3-pt-sprayer-diaphragm-operators-manual/664123.png","ImageObject",300,407,{"name":42,"@type":43},"Marglet","Person",{"url":19,"name":45,"@type":46},"DocShare","Organization","application/pdf","2026-10-30","2026-10-29",true,{"@type":52,"interactionType":53,"userInteractionCount":33},"InteractionCounter",{"@type":54},"ViewAction",{"@type":56,"mainEntity":57},"FAQPage",[58,64,68],{"name":59,"@type":60,"acceptedAnswer":61},"What should be done before using the sprayer?","Question",{"text":62,"@type":63},"Read the operator’s manual carefully and pay attention to the provided safety and operating information. 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HARDI® and other product names are registered trademarks of HARDI® [Inc. in](Inc. in) the U.S. and in other countries.  \nTABLE OF CONTENTS  \n1.0 INTRODUCTION ................................. 6  \n2.0 SAFETY INFORMATION ........................... 8  \n2.1 Follow Safety Instructions .................... 9  \n2.2 Operating the Sprayer Safely ................. 9  \n2.3 Handling Chemical Products Safely ............ 11  \n2.4 Local Poison Information Center ............... 12  \n3.0 HOOKING UP THE SPRAYER ...................... 13  \n3.1 P.T.O. Shaft Operator Safety .................. 14  \n3.2 Installation Of P.T.O. Shaft .................... 14  \n3.3 Power Supply (electric controls only) ........... 16  \n3.4 Control box (electric controls only) ............. 17  \n4.0 OPERATING INSTRUCTIONS ...................... 18  \n4.1 Filling The Main Tank (all models) .............. 18  \n4.2 Filling The Clean Water Tank (optional) .......... 18  \n4.3 EC-3 Standard Plumbing Diagram ............. 19  \n4.4 EC-3 Plumbing Diagram w/optional Rate Controller 20  \n4.5 Adjustment of the EC-3 Electric Controls ........ 21  \n4.6 ET-3 Manual Control Plumbing Diagram ......... 23  \n4.7 Adjustment of the ET-3 Manual Controls......... 24  \n4.8 ET-2 Manual Control Plumbing Diagram ......... 26  \n4.9 Adjustment of the ET-2 Manual Controls......... 27  \n4.10 BK-3 Manual Control Plumbing Diagram ........ 29  \n4.11 Adjustment of the BK-3 Manual Controls ........ 30  \n4.12 Operation Of The Tank Drain Valve (all models) ... 33  \n4.13 Adjustment of Air Pressure in Pressure Damper (All models) ............................... 33  \n4.14 Self Cleaning Filter (optional) ................. 34  \n4.15 Unfolding/Folding Boom (All models with standard booms) .............. 35  \n4.16 Boom Height Adjustment (All models with standard booms) .............. 36  \n2 HARDI® N-SERIES 3-PT SPRAYER DIAPHRAGM OPERATOR'S MANUAL  \n5.0 NOZZLE SELECTION ............................. 37  \n5.1 Boom Nozzle Selection (All models with standard booms) .............. 37  \n5.2 Giant End Nozzle Selection (Pasture Sprayer only) 40  \n5.3 Spraygun Nozzle Selection (All models) ......... 42  \n5.4 Calibration (All models with standard booms) ..... 43  \n5.5 Calibration (Pasture sprayer model only) ........ 47  \n6.0 MAINTENANCE.................................. 51  \n6.1 Cleaning The Sprayer ....................... 51  \n6.2 Filters ................................... 53  \n6.3 Nozzles And Fittings ........................ 54  \n6.4 Replacement Of P.T.O. Shaft Protection Guards ... 55  \n6.5 Replacement Of P.T.O. Shaft Cross Journals ..... 55  \n6.6 Changing the Valves and Diaphragms (all pumps) . 56  \n6.7 Breakaway Clutch Adjustment (MB Boom only) ... 57  \n6.8 Lubrication................................ 58  \n7.0 OFF-SEASON STORAGE .......................... 61  \n7.1 Preparation after Off-Season Storage........... 62  \n8.0 ACCESSORIES .................................. 63  \n8.1 Clean Water Dispenser (optional) .............. 63  \n8.2 Spraygun And Hose wrap (optional) ............ 63  \n8.3 Maverick Rate Controller (optional) ............. 64  \n8.4 Large 4\" Pressure Gauge (optional) ............ 64  \n8.5 Chemical Filler (optional) .................... 65  \n8.6 Chemical Filler Bag & Bottle Rinse Kit (optional) .. 65  \n8.7 SMV Sign Kit (optional) ...................... 66  \n9.0 TROUBLESHOOTING ............................. 67  \n9.1 General Spray Systems ..................... 67  \n10.0 TECHNICAL SPECIFICATIONS .................... 69  \n10.1 Dimensions and weights ..................... 69  \n10.2 Power consumption ......................... 69  \n11.0 WARRANTY POLICY AND CONDITIONS ............ 70  \n12.0 NOTES ........................................ 72  \nHARDI® N-SERIES 3-PT SPRAYER DIAPHRAGM OPERATOR'S MANUAL 3  \nDear Owner,  \nThank you for purcha","cbCairxnC5P39ncl","https://ap.wps.com/l/cbCairxnC5P39ncl","pdf",1269896,72,"English","# 1.0 INTRODUCTION\n# 2.0 SAFETY INFORMATION\n## 2.1 Follow Safety Instructions\n## 2.2 Operating the Sprayer Safely\n## 2.3 Handling Chemical Products Safely\n## 2.4 Local Poison Information Center\n# 3.0 HOOKING UP THE SPRAYER\n## 3.1 P.T.O. Shaft Operator Safety\n## 3.2 Installation Of P.T.O. Shaft\n## 3.3 Power Supply (electric controls only)\n## 3.4 Control box (electric controls only)\n# 4.0 OPERATING INSTRUCTIONS\n## 4.1 Filling The Main Tank (all models)\n## 4.2 Filling The Clean Water Tank (optional)\n## 4.3 EC-3 Standard Plumbing Diagram\n## 4.4 EC-3 Plumbing Diagram w/optional Rate Controller\n## 4.5 Adjustment of the EC-3 Electric Controls","[{\"question\":\"What should be done before using the sprayer?\",\"answer\":\"Read the operator’s manual carefully and pay attention to the provided safety and operating information. Use the equipment only after understanding the instructions.\"},{\"question\":\"Which safety topics are covered in the manual?\",\"answer\":\"The manual includes guidance for following safety instructions, operating the sprayer safely, handling chemical products safely, and information about local poison information centers.\"},{\"question\":\"What operational areas are addressed under filling and control setup?\",\"answer\":\"It covers filling the main tank, optionally filling the clean water tank, wiring and control box considerations for electric controls, and model-specific plumbing diagrams and control adjustments.\"}]","HARDI N-SERIES 3-PT SPRAYER DIAPHRAGM OPERATOR'S MANUAL | PDF",181]