{"product_id":"jlg-644-1044-telehandler-service-manual-repair-guide-instant-digital-download-pdf","title":"JLG 644 1044 Telehandler Service Manual","description":"\u003cdiv style=\"line-height: 1.45;\"\u003e\n\u003c!-- HEADER --\u003e\n\u003cdiv style=\"background: linear-gradient(rgb(47, 95, 166) 0%, rgb(30, 67, 120) 100%); padding: 16px; border-radius: 6px 6px 0px 0px;\"\u003e\n\u003cdiv style=\"color: rgb(255, 255, 255); font-family: 'Segoe UI', Arial, Helvetica, sans-serif; font-size: 24px; font-weight: 800; letter-spacing: 1px;\"\u003eJLG\u003c\/div\u003e\n\u003cdiv style=\"margin-top: 6px;\"\u003e\u003cspan style=\"color: #e7f0ff; font-family: Segoe UI, Arial, Helvetica, sans-serif;\"\u003e\u003cspan style=\"font-size: 13px; letter-spacing: 0.8px; text-transform: uppercase;\"\u003e\u003cb\u003e644 \/ 844 \/ 1044 Telehandler • Service Manual\u003c\/b\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- INTRO --\u003e\n\u003cdiv style=\"color: rgb(34, 34, 34); font-family: 'Segoe UI', Arial, Helvetica, sans-serif; border-width: 0px 1px 1px; border-image: initial; padding: 14px; background: rgb(255, 255, 255); border-color: initial rgb(215, 215, 215) rgb(215, 215, 215) rgb(215, 215, 215); border-style: initial solid solid solid;\"\u003e\n\u003cdiv style=\"margin-top: 8px; font-size: 13.5px;\"\u003e\n\u003cp\u003eThis is the official OEM service manual for JLG 644B, 6K, 844C, 8K, 1044C, and 10K telehandler models, formerly manufactured under the Lull brand. Covering the complete telescopic handler line with John Deere and Cummins diesel engine variants, this factory manual provides the same detailed service procedures used by authorized JLG dealers and professional equipment technicians.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAdobe Acrobat (PDF) format\u003c\/li\u003e\n\u003cli\u003eFully searchable\u003c\/li\u003e\n\u003cli\u003eEasily print any or all content\u003c\/li\u003e\n\u003cli\u003eEverything needed to repair \u0026amp; maintain your equipment\u003c\/li\u003e\n\u003cli\u003eTroubleshooting instructions, wiring diagrams, and reference material\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- MODELS COVERED --\u003e\n\u003cdiv style=\"background: rgb(238, 244, 251); padding: 14px; border-width: 0px 1px 1px; border-image: initial; border-color: initial rgb(215, 215, 215) rgb(215, 215, 215) rgb(215, 215, 215); border-style: initial solid solid solid;\"\u003e\n\u003cdiv style=\"color: rgb(30, 67, 120); font-family: 'Segoe UI', Arial, Helvetica, sans-serif; font-size: 13.5px; font-weight: 800; text-transform: uppercase;\"\u003eModels Covered\u003c\/div\u003e\n\u003cdiv style=\"margin-top: 8px;\"\u003e\n\u003cdiv style=\"margin-top: 8px;\"\u003e\n\u003cul\u003e\n\u003cli\u003e644B\u003c\/li\u003e\n\u003cli\u003e6K\u003c\/li\u003e\n\u003cli\u003e844C\u003c\/li\u003e\n\u003cli\u003e8K\u003c\/li\u003e\n\u003cli\u003e1044C\u003c\/li\u003e\n\u003cli\u003e10K\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- TOC --\u003e\n\u003cdiv style=\"color: rgb(34, 34, 34); font-family: 'Segoe UI', Arial, Helvetica, sans-serif; background: rgb(255, 255, 255); padding: 14px; border-width: 0px 1px 1px; border-image: initial; border-color: initial rgb(215, 215, 215) rgb(215, 215, 215) rgb(215, 215, 215); border-style: initial solid solid solid;\"\u003e\n\u003cdiv style=\"font-size: 13.5px; font-weight: 800; color: #1e4378; text-transform: uppercase;\"\u003eTable of Contents (950 Pages)\u003c\/div\u003e\n\u003cdiv style=\"margin-top: 10px; font-size: 13.5px;\"\u003e\n\u003cdiv style=\"margin-top: 10px;\"\u003e\n\u003cul\u003e\n\u003cli\u003eSAFETY\u003c\/li\u003e\n\u003cli\u003eIDENTIFICATION \u0026amp; SPECIFICATIONS\u003c\/li\u003e\n\u003cli\u003eGENERAL MAINTENANCE\u003c\/li\u003e\n\u003cli\u003eREFERENCE DIAGRAMS\u003c\/li\u003e\n\u003cli\u003eSUPPLY, PRESSURE \u0026amp; RETURN HYDRAULICS\u003c\/li\u003e\n\u003cli\u003eBOOM AND TRANSFER\u003c\/li\u003e\n\u003cli\u003eFRAME TILT AND OSCILLATION\u003c\/li\u003e\n\u003cli\u003eTRANSMISSION\u003c\/li\u003e\n\u003cli\u003eBRAKES\u003c\/li\u003e\n\u003cli\u003eOUTRIGGERS\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- WHAT'S INCLUDED --\u003e\n\u003cdiv style=\"color: rgb(34, 34, 34); font-family: 'Segoe UI', Arial, Helvetica, sans-serif; background: rgb(247, 247, 247); padding: 14px; border-width: 0px 1px 1px; border-image: initial; border-color: initial rgb(215, 215, 215) rgb(215, 215, 215) rgb(215, 215, 215); border-style: initial solid solid solid;\"\u003e\n\u003cdiv style=\"font-size: 13.5px; font-weight: 800; color: #1e4378; text-transform: uppercase;\"\u003eWhat's Included\u003c\/div\u003e\n\u003cdiv style=\"margin-top: 8px; font-size: 13.5px;\"\u003e\n\u003cul\u003e\n\u003cli\u003eComplete hydraulic schematics for all telehandler models\u003c\/li\u003e\n\u003cli\u003eElectrical harness diagrams and lockout circuits\u003c\/li\u003e\n\u003cli\u003eZF transmission service and torque converter procedures\u003c\/li\u003e\n\u003cli\u003eBoom hydraulics and joystick control systems\u003c\/li\u003e\n\u003cli\u003eJohn Deere 4039D\/4045T\/6068D engine specifications\u003c\/li\u003e\n\u003cli\u003eCummins 4BT3.9\/6B5.9 diesel engine specifications\u003c\/li\u003e\n\u003cli\u003eBrake system bleeding and caliper service\u003c\/li\u003e\n\u003cli\u003eOutrigger and stabilizer cylinder procedures\u003c\/li\u003e\n\u003cli\u003eTorque charts and pressure specifications\u003c\/li\u003e\n\u003cli\u003eLubrication schedules and fluid specifications\u003c\/li\u003e\n\u003cli\u003eQuick attach and boom inclinometer service\u003c\/li\u003e\n\u003cli\u003eTroubleshooting and diagnostic procedures\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- FEATURES --\u003e\n\u003cdiv style=\"color: rgb(34, 34, 34); font-family: 'Segoe UI', Arial, Helvetica, sans-serif; background: rgb(255, 255, 255); padding: 14px; border-width: 0px 1px 1px; border-image: initial; border-color: initial rgb(215, 215, 215) rgb(215, 215, 215) rgb(215, 215, 215); border-style: initial solid solid solid;\"\u003e\n\u003cdiv style=\"font-size: 13.5px; font-weight: 800; color: #1e4378; text-transform: uppercase;\"\u003eFeatures\u003c\/div\u003e\n\u003cul\u003e\n\u003cli style=\"font-size: 13.5px;\"\u003eOEM-quality PDF (searchable and printable)\u003c\/li\u003e\n\u003cli style=\"font-size: 13.5px;\"\u003eHigh-resolution diagrams and schematics\u003c\/li\u003e\n\u003cli style=\"font-size: 13.5px;\"\u003eWorks on PC, Mac, tablet, and mobile devices\u003c\/li\u003e\n\u003cli style=\"font-size: 13.5px;\"\u003e\n\u003cb\u003eImportant:\u003c\/b\u003e This is a digital PDF manual. No paper book will be provided.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!-- DON'T SEE WHAT YOU NEED --\u003e\n\u003cdiv style=\"color: rgb(34, 34, 34); font-family: 'Segoe UI', Arial, Helvetica, sans-serif; background: rgb(238, 244, 251); padding: 14px; border-width: 0px 1px 1px; border-image: initial; border-color: initial rgb(215, 215, 215) rgb(215, 215, 215) rgb(215, 215, 215); border-style: initial solid solid solid;\"\u003e\n\u003cdiv style=\"font-size: 13.5px; font-weight: 800; color: #1e4378; text-transform: uppercase;\"\u003eDon't See What You Need?\u003c\/div\u003e\n\u003cdiv style=\"margin-top: 8px; font-size: 13.5px;\"\u003e\n\u003cul\u003e\n\u003cli\u003eWe maintain thousands of reference guides.\u003c\/li\u003e\n\u003cli\u003eMessage us. We can point you to the correct listing or post the one you're looking for.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- BUY WITH CONFIDENCE --\u003e\n\u003cdiv style=\"color: rgb(34, 34, 34); font-family: 'Segoe UI', Arial, Helvetica, sans-serif; background: rgb(255, 255, 255); padding: 14px; border-width: 0px 1px 1px; border-image: initial; border-color: initial rgb(215, 215, 215) rgb(215, 215, 215) rgb(215, 215, 215); border-style: initial solid solid solid;\"\u003e\n\u003cdiv style=\"font-size: 13.5px; font-weight: 800; color: #1e4378; text-transform: uppercase;\"\u003eBuy With Confidence\u003c\/div\u003e\n\u003cdiv style=\"margin-top: 8px; font-size: 13.5px;\"\u003e\n\u003cul\u003e\n\u003cli\u003eThousands of satisfied customers\u003c\/li\u003e\n\u003cli\u003eFast access to digital download\u003c\/li\u003e\n\u003cli\u003eReliable post-sale support\u003c\/li\u003e\n\u003cli\u003e60-day worry-free returns\u003c\/li\u003e\n\u003cli\u003eConsistent 5-star feedback and repeat buyers\u003c\/li\u003e\n\u003cli\u003eIf you have any questions about compatibility, model coverage, or what this manual includes, message us anytime. We pride ourselves on exceptional customer service and can provide expert support on all products we sell.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- CUSTOMER QUOTES --\u003e\n\u003cdiv style=\"color: rgb(34, 34, 34); font-family: 'Segoe UI', Arial, Helvetica, sans-serif; background: rgb(247, 247, 247); padding: 14px; border-width: 0px 1px 1px; border-image: initial; border-color: initial rgb(215, 215, 215) rgb(215, 215, 215) rgb(215, 215, 215); border-style: initial solid solid solid;\"\u003e\n\u003cdiv style=\"font-size: 13.5px; font-weight: 800; color: #1e4378; text-transform: uppercase;\"\u003eWhat Our Customers Are Saying\u003c\/div\u003e\n\u003cdiv style=\"margin-top: 8px; font-size: 13.5px;\"\u003e\n\u003cul\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eBetter than the hard copy I had.\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eLess than 5 minutes after purchase I had already downloaded my manual. Great service.\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eThis was a life saver for a piece of equipment I bought that did not have the manuals.\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eThe manual was just what I needed to fix the problem with my lower unit.\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eGreat customer service. My manual wasn't showing all the pictures and it turned out to be my PDF viewer. The seller helped me determine the problem and get it fixed.\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eExactly what I needed. Zero complaints.\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eTreasure trove of information. Thank You.\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eReceived my repair manual as described — super easy. Will be nice to have detailed instructions for my machine.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- FREQUENTLY ASKED QUESTIONS --\u003e\n\u003cdiv style=\"color: rgb(34, 34, 34); font-family: 'Segoe UI', Arial, Helvetica, sans-serif; background: rgb(255, 255, 255); padding: 14px; border-width: 0px 1px 1px; border-image: initial; border-color: initial rgb(215, 215, 215) rgb(215, 215, 215) rgb(215, 215, 215); border-style: initial solid solid solid;\"\u003e\n\u003cdiv style=\"font-size: 13.5px; font-weight: 800; color: #1e4378; text-transform: uppercase;\"\u003eFrequently Asked Questions\u003c\/div\u003e\n\u003cdiv style=\"margin-top: 12px; font-size: 13.5px;\"\u003e\n\u003cdiv style=\"margin-bottom: 12px;\"\u003e\n\u003cdiv style=\"font-weight: bold; color: rgb(34, 34, 34);\"\u003eQ: Is this the official factory manual?\u003c\/div\u003e\n\u003cdiv style=\"margin-top: 4px; color: rgb(60, 60, 60);\"\u003eA: Yes — this is the same OEM factory service manual used by authorized dealership technicians.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 4px;\"\u003e\n\u003cdiv style=\"font-weight: bold; color: rgb(34, 34, 34);\"\u003eQ: How do I receive this manual?\u003c\/div\u003e\n\u003cdiv style=\"margin-top: 4px; color: rgb(60, 60, 60);\"\u003eA: You will receive a download link in your email immediately after purchase. The download link will also appear on your checkout page.  No physical item is shipped. The PDF works on any PC, Mac, tablet, or phone and requires free Adobe Acrobat Reader.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- ALSO SEARCHABLE AS --\u003e\n\u003cdiv style=\"color: rgb(34, 34, 34); font-family: 'Segoe UI', Arial, Helvetica, sans-serif; background: rgb(247, 247, 247); padding: 14px; border-width: 0px 1px 1px; border-image: initial; border-color: initial rgb(215, 215, 215) rgb(215, 215, 215) rgb(215, 215, 215); border-style: initial solid solid solid;\"\u003e\n\u003cdiv style=\"font-size: 13.5px; font-weight: 800; color: #1e4378; text-transform: uppercase;\"\u003eAlso Searchable As\u003c\/div\u003e\n\u003cdiv style=\"margin-top: 8px; font-size: 13.5px; color: rgb(60, 60, 60);\"\u003eJLG telehandler service manual, Lull 644 repair manual, JLG 1044C workshop manual, 844C service guide, JLG telescopic handler manual, 6K 8K 10K repair guide, JLG forklift service manual\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- SHIPPING \u0026 RETURNS --\u003e\n\u003cdiv style=\"color: rgb(255, 255, 255); font-family: 'Segoe UI', Arial, Helvetica, sans-serif; background: rgb(42, 42, 42); padding: 12px 14px; border-radius: 0px 0px 6px 6px;\"\u003e\n\u003cdiv style=\"font-weight: 800; text-transform: uppercase;\"\u003eShipping \u0026amp; Returns\u003c\/div\u003e\n\u003cdiv style=\"margin-top: 8px; font-size: 13.5px;\"\u003e\n\u003cp\u003e\u003cb\u003eShipping\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInstant Digital Delivery\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eReturns\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIf you're not fully satisfied, simply contact us for a no-hassle refund.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cstyle\u003e\ntable, th, td {\n    border: none;\n}\n\u003c\/style\u003e","brand":"JLG","offers":[{"title":"Default Title","offer_id":48162963259648,"sku":"JLG_644","price":12.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0664\/1785\/2672\/files\/d5540adc-il_fullxfull.7161545811_642j.jpg?v=1773409218","url":"https:\/\/dalmanuals.com\/products\/jlg-644-1044-telehandler-service-manual-repair-guide-instant-digital-download-pdf","provider":"DAL Manuals","version":"1.0","type":"link"}