{"product_id":"bomag-bw-120-ad-4-tandem-vibratory-roller-pdf-repair-service-manual-00891524","title":"Bomag BW 120 AD-4 Tandem Vibratory Roller Pdf Repair Service Manual 00891524","description":"\u003ch2\u003eTechnical Repair Manual for Bomag BW 120 AD-4 Tandem Vibratory Rollers\u003c\/h2\u003e\n\u003cp\u003eThe Bomag BW 120 AD-4 Tandem Vibratory Roller PDF Repair \u0026amp; Service Manual (P\/N: 00891524) is a definitive factory-level technical guide for the professional maintenance, diagnostic, and overhaul procedures of this Dash-4 series compactor. This manual provides the high-fidelity technical data required to keep the machine’s 1200mm (47.2 in) dual-drum system operating at peak factory performance.\u003c\/p\u003e\n\u003cp\u003eEquipped with a Kubota D 1703 M liquid-cooled diesel engine and a high-efficiency hydrostatic drive, the BW 120 AD-4 requires accurate hydraulic pressure balancing and electrical fault diagnosis. This manual delivers step-by-step instructions for the series-parallel travel system, exciter shaft vibration circuits, and the SAHR (Spring-Applied Hydraulically-Released) braking logic.\u003c\/p\u003e\n\u003cp\u003eWhether you are performing a field repair or a complete workshop teardown, this OEM-structured documentation is essential for ensuring your equipment meets original safety and performance standards on every paving jobsite.\u003c\/p\u003e\n\u003ch2\u003eAdvanced Technical Specifications \u0026amp; Setup\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine Performance Data:\u003c\/strong\u003e Comprehensive service routines for the Kubota diesel powerplant, including fuel system priming, valve clearance adjustments, and cooling system thermal management.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHydraulic Benchmarks:\u003c\/strong\u003e Precise factory settings and flow testing protocols for the travel, vibration, and steering hydraulic pumps, featuring specific port locations for gauge attachment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrum Clearances:\u003c\/strong\u003e Exact tolerances for drum scrapers, rubber buffer mounts, and internal bearing fits to ensure uniform compaction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTorque \u0026amp; Fluid Data:\u003c\/strong\u003e Detailed charts for critical bolt torque values, lubricant viscosities, and specific fluid capacities required for the Dash-4 series.\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 Vibration System:\u003c\/strong\u003e In-depth instructions for the disassembly and reassembly of the exciter units, including bearing replacement and frequency optimization (55\/70 Hz).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHydrostatic Transmission:\u003c\/strong\u003e Troubleshooting workflows for loss of drive power, travel motor rebuilding, and high-pressure system flushing after contamination.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectrical Infrastructure:\u003c\/strong\u003e High-resolution wiring diagrams covering the machine's control logic, switches, sensors, safety interlocks, and dashboard instrumentation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSteering \u0026amp; Articulation:\u003c\/strong\u003e Maintenance for the heavy-duty oscillating articulated center joint and steering cylinders for precise maneuverability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePressurized Water Spray:\u003c\/strong\u003e Service guides for the interval-controlled sprinkler system, multi-stage filtration, and nozzle maintenance to prevent asphalt pickup.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBraking \u0026amp; Safety:\u003c\/strong\u003e Full testing and repair procedures for the emergency stop system, seat safety switches, and parking brake release 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 AD-4 (Tandem 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 560+\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFile Size:\u003c\/strong\u003e Approximately 48.5 MB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIllustrations:\u003c\/strong\u003e High-definition wiring diagrams, hydraulic schematics, and exploded assembly views\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Universal PDF for Windows, macOS, Android, and iOS\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 Reduce diagnostic time with logical charts that identify the root cause of hydraulic pressure drops or electrical failures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinimize Downtime:\u003c\/strong\u003e Perform advanced in-house calibrations and major repairs, eliminating the need for expensive dealer service calls.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety Assurance:\u003c\/strong\u003e Verify that all operator safety systems and braking mechanisms are maintained to original factory specifications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstant Access:\u003c\/strong\u003e Digital PDF format allows for rapid keyword searching, making it easy to find terms like \"fault codes\" or \"fuse locations\" instantly.\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 provider of authentic, high-quality technical documentation for the paving industry. Our manuals are professionally processed to ensure maximum legibility for all technical tables and schematics, providing you with the reliable data needed for professional-grade repairs.\u003c\/p\u003e\n\u003cp\u003eExplore more documentation 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 manual cover the engine?\u003c\/h3\u003e\n\u003cp\u003eYes, it includes a dedicated section for the diesel engine covering fuel injection, water pump service, and mechanical adjustments.\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 accurate tracing of electrical circuits and fault diagnosis.\u003c\/p\u003e\n\u003ch3\u003eCan I access this on my phone?\u003c\/h3\u003e\n\u003cp\u003eAbsolutely. The PDF format is fully compatible with 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, ensuring you can begin your maintenance or repairs without delay.\u003c\/p\u003e","brand":"Manuals Kart","offers":[{"title":"Default Title","offer_id":51915681923348,"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-ad-4-tandem-vibratory-roller-pdf-repair-service-manual-00891524.jpg?v=1769503166","url":"https:\/\/manualskart.com\/products\/bomag-bw-120-ad-4-tandem-vibratory-roller-pdf-repair-service-manual-00891524","provider":"Manuals Kart","version":"1.0","type":"link"}