{"product_id":"bomag-bw-120-ac-4-tandem-vibratory-roller-pdf-service-manual-00891524","title":"Bomag BW 120 AC-4 Tandem Vibratory Roller Pdf Service Manual 00891524","description":"\u003ch2\u003eFactory Workshop Manual for Bomag BW 120 AC-4 Tandem Vibratory Rollers\u003c\/h2\u003e\n\u003cp\u003eThe Bomag BW 120 AC-4 Repair \u0026amp; Service Manual (P\/N: 00891524) is a comprehensive factory-level technical guide designed for the maintenance, diagnostic, and overhaul of this Dash-4 series compactor. As a \"Combination\" model, the BW 120 AC-4 features a 1200mm vibratory steel drum at the front and four pneumatic tires at the rear, requiring specialized technical data for both compaction systems. This manual provides the high-fidelity OEM procedures needed to keep your machine operating at peak industrial performance.\u003c\/p\u003e\n\u003cp\u003ePowered by a robust liquid-cooled diesel engine, the BW 120 AC-4 relies on accurate hydraulic calibration and precise electrical diagnostics. This manual delivers detailed service instructions for the series-parallel hydrostatic drive system, dual-drum vibration circuits, and the specialized rear tire traction assembly.\u003c\/p\u003e\n\u003cp\u003eEssential for field technicians, independent repair shops, and fleet maintenance teams, this searchable PDF manual ensures that all repairs meet the original manufacturer's high-performance and safety benchmarks.\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 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 Accurate pressure settings and flow testing protocols for the travel, vibration, and steering hydraulic 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.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTorque Values:\u003c\/strong\u003e Factory torque specifications for rubber buffer mounts, articulation joint pins, wheel hub bolts, and critical fasteners.\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 instructions for the front drum exciter system, including bearing replacement, shaft alignment, and frequency testing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRear Pneumatic 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 flushing.\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\u003eBrake 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 00891524\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 720+\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFile Size:\u003c\/strong\u003e Approximately 112 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 failures using factory-standard 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 reliance on 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":51913717645588,"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-tandem-vibratory-roller-pdf-service-manual-00891524.jpg?v=1769452199","url":"https:\/\/manualskart.com\/products\/bomag-bw-120-ac-4-tandem-vibratory-roller-pdf-service-manual-00891524","provider":"Manuals Kart","version":"1.0","type":"link"}