{"product_id":"bomag-bw-120-ac-4-combination-roller-pdf-repair-service-manual-00891561","title":"Bomag BW 120 AC-4 Combination Roller Pdf Repair Service Manual 00891561","description":"\u003ch2\u003eFactory Workshop Manual for Bomag BW 120 AC-4 Combination Rollers\u003c\/h2\u003e\n\u003cp\u003eThe Bomag BW 120 AC-4 Combination Roller Repair \u0026amp; Service Manual (P\/N: 00891561) is a professional-grade technical publication designed for the complete maintenance and overhaul of this specialized Dash-4 series compactor. As a combination model, this machine utilizes a 1200mm vibratory steel drum at the front and a set of four pneumatic tires at the rear, offering unique compaction characteristics that require specific technical oversight. This manual provides the OEM-verified data necessary to keep both the drum vibration and tire drive systems in peak condition.\u003c\/p\u003e\n\u003cp\u003eEquipped with a robust diesel engine and a high-efficiency hydrostatic drive, the BW 120 AC-4 demands precise hydraulic calibration and electrical diagnostic accuracy. This manual covers every major system, from the interval-controlled water sprayers to the complex electrical logic of the operator console, ensuring your equipment meets factory performance standards on every paving project.\u003c\/p\u003e\n\u003cp\u003eEssential for heavy equipment mechanics, site technicians, and fleet owners, this searchable PDF manual is the definitive resource for ensuring machine longevity and reducing operational downtime.\u003c\/p\u003e\n\u003ch2\u003eTechnical Specifications \u0026amp; Maintenance Data\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine Systems:\u003c\/strong\u003e Complete service procedures for the liquid-cooled diesel powerplant, including fuel system priming, valve clearance settings, and cooling system pressure tests.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHydraulic Benchmarks:\u003c\/strong\u003e Precise factory pressure settings and flow testing instructions for the travel, vibration, and steering circuits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFluid Capacities:\u003c\/strong\u003e Detailed charts for engine oil, hydraulic fluid, and cooling system capacities, including recommended viscosities for various operating temperatures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTorque Specifications:\u003c\/strong\u003e Accurate torque values for critical fasteners, including the center articulation joint, wheel hub bolts, and drum isolation mounts.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eComprehensive System \u0026amp; Service Coverage\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual-System Vibration:\u003c\/strong\u003e In-depth repair instructions for the front drum exciter system, including bearing replacement, shaft alignment, and frequency testing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePneumatic Rear Drive:\u003c\/strong\u003e Specialized service routines for the rear tire assembly, focusing on the hydrostatic tire motors and scraper blade adjustments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHydrostatic Transmission:\u003c\/strong\u003e Diagnostic workflows for drive power loss, travel pump rebuilding, and closed-loop hydraulic system decontamination.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectrical Infrastructure:\u003c\/strong\u003e High-resolution wiring diagrams covering the Dash-4 control logic, safety interlocks, fuse layouts, and dashboard instrumentation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCombination Spray System:\u003c\/strong\u003e Service instructions for the dual pressurized sprinkler system used to prevent asphalt pickup on both the steel drum and rubber tires.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSteering \u0026amp; Articulation:\u003c\/strong\u003e Procedures for resealing steering cylinders and inspecting the pivot bearings for precise machine maneuverability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBraking Logic:\u003c\/strong\u003e Full testing and adjustment for the spring-applied hydraulic-release (SAHR) parking brake and emergency stop circuits.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eManual Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMachine Model:\u003c\/strong\u003e Bomag BW 120 AC-4 (Combination Roller)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 00891561\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGeneration:\u003c\/strong\u003e Dash-4 Series\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFormat:\u003c\/strong\u003e PDF Digital Download (Fully Searchable \u0026amp; Bookmarked)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLanguage:\u003c\/strong\u003e English\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal Pages:\u003c\/strong\u003e 740+\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFile Size:\u003c\/strong\u003e Approximately 115 MB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIllustrations:\u003c\/strong\u003e High-definition wiring diagrams, hydraulic flow schematics, and exploded assembly views\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Windows, macOS, Android, iOS, and Tablets\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhy This Service Manual Is Essential for Repairs\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTargeted Diagnostics:\u003c\/strong\u003e Quickly identify the root cause of hydraulic pressure drops or electrical circuit failures using factory troubleshooting trees.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIn-House Capabilities:\u003c\/strong\u003e Empower your shop team to perform advanced calibrations and major repairs, reducing the need for expensive dealer service calls.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety Assurance:\u003c\/strong\u003e Verify the integrity of all operator safety systems, including seat switches and braking mechanisms, to protect your crew.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstant Keyword Access:\u003c\/strong\u003e The digital PDF format allows for rapid searching of specific terms like \"fault codes\" or \"valve timing\" for immediate results.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhy Buy from Manualskart.com\u003c\/h2\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/manualskart.com\/\" title=\"Manualskart High Quality Machinery Manuals\"\u003eManualskart.com\u003c\/a\u003e is a trusted source for authentic, high-quality heavy equipment documentation. Our manuals are professionally curated to ensure every diagram is clear and every technical table is accurate, providing paving professionals with the reliable data they need to stay productive.\u003c\/p\u003e\n\u003cp\u003eExplore more in our \u003ca href=\"https:\/\/manualskart.com\/collections\/bomag-machinery-manuals-pdf\" title=\"Bomag Service Manual Collection\"\u003eBomag Service Manual Collection\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eDoes this cover the pneumatic tire drive system?\u003c\/h3\u003e\n\u003cp\u003eYes, as a Combination (AC) manual, it includes full service and repair data for the rear pneumatic tire axle and drive motors.\u003c\/p\u003e\n\u003ch3\u003eAre wiring diagrams included?\u003c\/h3\u003e\n\u003cp\u003eYes, the manual contains clear, high-resolution wiring diagrams that allow for accurate tracing of electrical circuits and fault diagnosis.\u003c\/p\u003e\n\u003ch3\u003eCan I access this manual on my smartphone?\u003c\/h3\u003e\n\u003cp\u003eAbsolutely. The PDF format is universally compatible with all mobile devices, allowing you to reference technical data directly at the machine.\u003c\/p\u003e\n\u003ch3\u003eHow is the manual delivered?\u003c\/h3\u003e\n\u003cp\u003eYou will receive an instant download link immediately after purchase, allowing you to save the PDF to any computer or tablet.\u003c\/p\u003e","brand":"Manuals Kart","offers":[{"title":"Default Title","offer_id":51913714139412,"sku":null,"price":39.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0868\/2133\/9412\/files\/bomag-bw-120-ac-4-combination-roller-pdf-repair-service-manual-00891561.jpg?v=1769451672","url":"https:\/\/manualskart.com\/products\/bomag-bw-120-ac-4-combination-roller-pdf-repair-service-manual-00891561","provider":"Manuals Kart","version":"1.0","type":"link"}