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Includes safety procedures such as training, PPE requirements, operational and slope safety, roadway and transport guidance, and safety decals. Describes operational controls and daily inspection, attachment procedures, cutting height and wheel path adjustments, anti-scalp roller and optional mulching kit use. Provides service tasks including cleaning, blade inspection, belt replacement, lubrication and gearbox oil procedures, deck leveling, storage, and maintenance schedules, plus specifications and warranty.",{"@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/mj840-contour-mower-operators-manual-safety-operation-and-maintenance/642663/",{"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/mj840-contour-mower-operators-manual-safety-operation-and-maintenance/642663.png","ImageObject",300,407,{"name":92,"@type":93},"Aurelia","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-11-13","2026-10-23",true,{"@type":102,"interactionType":103,"userInteractionCount":39},"InteractionCounter",{"@type":104},"ViewAction",{"@type":106,"mainEntity":107},"FAQPage",[108,114,118],{"name":109,"@type":110,"acceptedAnswer":111},"What information must be provided when contacting a Ventrac dealer for service?","Question",{"text":112,"@type":113},"Provide the product model and serial numbers. Record the identification numbers in the spaces provided in the owner information section.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"What safety practices are required before operating the MJ840 Contour Mower?",{"text":117,"@type":113},"Follow general safety procedures, complete required training, wear the required PPE, and observe operation safety guidance including rules for slopes and roadway/transport conditions.",{"name":119,"@type":110,"acceptedAnswer":120},"What routine maintenance and service items are covered in the manual?",{"text":121,"@type":113},"The manual covers cleaning and general maintenance, blade inspection/replacement and sharpening, belt inspections and replacements, lubrication locations, gearbox oil level checks and oil changes, deck leveling, and maintenance schedules and checklists.","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},642663,1792736339,{"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":39,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":41,"language":139,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":140,"faqs":141,"seo_title":142,"seo_description":67,"update_tm":143,"read_time":144,"preview_page_count":4},1099514068365,"https://ap-avatar.wpscdn.com/avatar/10000253d8d9f28188e?x-image-process=image/resize,m_fixed,w_180,h_180&k=1794309523707217728","Operator’s Manual  \nMJ840  \nContour Mower  \nVENTRAC.COM  \nRevised 07/29/22  \nOriginal Operator’s Manual 09.10055 Rev. 19  \n500 Venture Drive Orrville Oh 44667 [www.ventrac.com](www.ventrac.com)  \nView all manuals  \n[Visit ventrac.com/manuals](Visit ventrac.com/manuals) for the latest version of this operator’s manual.  \nA downloadable parts manual is also available.  \nTo the Owner  \nContact Information and Product Identification  \nIf you need to contact an authorized Ventrac dealer for information on servicing your product, always provide the product model and serial numbers.  \nPlease fill in the following information for future reference. See the picture(s) below to find the location of the identification numbers. Record them in the spaces provided.  \nDate of Purchase:   Dealer:    \nDealer Address:    \nDealer Phone Number:   Dealer Fax Number:    \nModel \\# (A):   Serial \\# (B):    \nAffix Part/Serial Number label here.  \nVenture Products Inc. reserves the right to make changes in design or specifications without obligation to make like changes on previously manufactured products.  \nINTRODUCTION PAGE 5  \nProduct Description .................................................. 5  \nWhy Do I Need an Operator’s Manual? ....................................... 5  \nUsing Your Manual .................................................. 6  \nManual Glossary .................................................... 6  \nSAFETY PAGE 7  \nGeneral Safety Procedures .............................................. 7  \nTraining Required ................................................... 7  \nRequirements for Personal Protective Equipment (PPE) ............................. 7  \nOperation Safety .................................................... 7  \nKeep Riders Off .................................................... 9  \nOperating On Slopes ................................................. 9  \nRoadway Safety ................................................... 10  \nTruck Or Trailer Transport ............................................. 10  \nMaintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10  \nFuel Safety ...................................................... 11  \nHydraulic Safety ................................................... 12  \nCutting Unit Safety ................................................. 13  \nSafety Decals ..................................................... 14  \nOPERATIONAL CONTROLS PAGE 16  \nDeck Pivot Latch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16  \nPrimary SDLA Control Lever ............................................ 16  \nSecondary SDLA Control Lever ........................................... 16  \nGENERAL OPERATION PAGE 17  \nDaily Inspection ................................................... 17  \nAttaching ....................................................... 17  \nDetaching....................................................... 17  \nOperating Procedure ................................................ 17  \nTransport of the Attachment ............................................ 18  \nCutting Height Adjustment ............................................. 18  \nOuter Carrier Wheel Path Adjustment ...................................... 18  \nAnti-Scalp Roller Adjustment ............................................ 18  \nMulching Kit (Optional Accessory) ......................................... 19  \nSERVICE PAGE 20  \nCleaning and General Maintenance ........................................ 20  \nDeck Flip Up Procedure ............................................... 20  \nMower Blade Inspection/Replacement ...................................... 20  \nMower Blade Sharpening .............................................. 20  \nBelt Inspection .................................................... 21  \nAttachment Drive Belt Replacement ....................................... 21  \nGearbox Drive Belt Replacement ...","cbCaij7Psybr4oPb","https://ap.wps.com/l/cbCaij7Psybr4oPb","pdf",2854982,"English","# Introduction\n## Product Description\n## Why Do I Need an Operator’s Manual?\n## Using Your Manual\n## Manual Glossary\n# Safety\n## General Safety Procedures\n## Training Required\n## Requirements for Personal Protective Equipment (PPE)\n## Operation Safety\n## Keep Riders Off\n## Operating On Slopes\n## Roadway Safety\n## Truck Or Trailer Transport\n## Maintenance\n## Fuel Safety\n## Hydraulic Safety\n## Cutting Unit Safety\n## Safety Decals\n# Operational Controls\n## Deck Pivot Latch\n## Primary SDLA Control Lever\n## Secondary SDLA Control Lever\n# General Operation\n## Daily Inspection\n## Attaching\n## Detaching\n## Operating Procedure\n## Transport of the Attachment\n## Cutting Height Adjustment\n## Outer Carrier Wheel Path Adjustment\n## Anti-Scalp Roller Adjustment\n## Mulching Kit (Optional Accessory)\n# Service\n## Cleaning and General Maintenance\n## Deck Flip Up Procedure\n## Mower Blade Inspection/Replacement\n## Mower Blade Sharpening\n## Belt Inspection\n## Attachment Drive Belt Replacement\n## Gearbox Drive Belt Replacement\n## Center Deck Belt Replacement\n## Left Deck Belt Replacement\n## Right Deck Belt Replacement\n## Drive Belt Tension Adjustments\n## Storage\n## Lubrication Locations\n## Checking the Gearbox Oil Level\n## Changing the Gearbox Oil\n## Deck Leveling Procedure\n## Maintenance Schedule\n## Maintenance Checklist\n# Specifications\n## Dimensions\n## Features\n# Warranty","[{\"question\":\"What information must be provided when contacting a Ventrac dealer for service?\",\"answer\":\"Provide the product model and serial numbers. Record the identification numbers in the spaces provided in the owner information section.\"},{\"question\":\"What safety practices are required before operating the MJ840 Contour Mower?\",\"answer\":\"Follow general safety procedures, complete required training, wear the required PPE, and observe operation safety guidance including rules for slopes and roadway/transport conditions.\"},{\"question\":\"What routine maintenance and service items are covered in the manual?\",\"answer\":\"The manual covers cleaning and general maintenance, blade inspection/replacement and sharpening, belt inspections and replacements, lubrication locations, gearbox oil level checks and oil changes, deck leveling, and maintenance schedules and checklists.\"}]","MJ840 Contour Mower - Operator’s Manual - Safety, Operation and Maintenance | PDF",1792722501,76]