Bomag BW 125 AD-4 Combination Roller Pdf Repair Service Manual 00891524

Factory Workshop Manual for Bomag BW 125 AD-4 Combination Rollers

The Bomag BW 125 AD-4 Combination Roller Repair & Service Manual (P/N: 00891524) is a definitive technical guide for the professional maintenance and overhaul of this Dash-4 series compactor. As a specialized combination model, this machine features a 1250mm vibratory steel drum at the front and four pneumatic tires at the rear, requiring distinct technical procedures for its hybrid compaction system. This manual provides the high-fidelity technical data necessary for precision diagnostics and full system restoration.

Equipped with a robust liquid-cooled diesel powerplant and high-efficiency hydrostatic drive, the BW 125 AD-4 demands accurate hydraulic pressure balancing and electrical fault tracing. This manual offers step-by-step guidance on maintaining the unique front-drum vibration circuits and the synchronized rear-wheel traction system that defines the Dash-4 combination series.

Essential for paving contractors, heavy equipment mechanics, and fleet managers, this professional-grade PDF ensures your equipment meets original OEM safety and performance standards on every jobsite.

Advanced Technical Specifications & Setup

• Hybrid Traction Dynamics: Specialized procedures for the synchronized hydrostatic drive system powering the front drum and the rear pneumatic tire set.
• Engine Performance Data: Detailed diesel engine service routines, including fuel injection diagnostics, cooling system optimization, and valve clearance adjustments.
• Hydraulic Benchmarks: Factory-verified pressure settings and flow testing protocols for the travel, vibration, and steering circuits.
• Critical Torque Values: Precise fastening specifications for articulation joint pins, wheel lug nuts, drum mounts, and vibration exciter housings.

Comprehensive System & Service Coverage

• Vibration & Exciter Units: In-depth instructions for the disassembly and reassembly of the front drum internal components, including bearing fits and frequency testing.
• Rear Pneumatic Drive: Service routines for the rear tire drive axle, focusing on hydraulic motor maintenance and tire pressure calibration for optimal bonding.
• Electrical Infrastructure: High-resolution wiring diagrams covering the Dash-4 control logic, sensors, safety switches, and dashboard instrumentation.
• Combination Spray System: Maintenance guides for the dual-interval pressurized water and emulsion sprayers designed to prevent asphalt pickup on both the drum and tires.
• Hydrostatic Transmission: Troubleshooting workflows for drive power loss, travel pump rebuilding, and hydraulic system flushing.
• Braking & Safety: Full testing and repair procedures for the SAHR parking brake system and operator safety interlocks.

Manual Specifications

• Machine Model: Bomag BW 125 AD-4 (Combination Roller)
• Part Number: 00891524
• Generation: Dash-4 Series
• Format: PDF Digital Download (Fully Searchable & Bookmarked)
• Language: English
• Total Pages: 560+
• File Size: Approximately 49 MB
• Illustrations: High-definition wiring diagrams, hydraulic flow schematics, and exploded assembly views
• Compatibility: Windows, macOS, Android, iOS, and Tablets

Why This Service Manual Is Essential for Repairs

• Targeted Diagnostics: Access logical troubleshooting trees specifically designed for the dual-traction (drum/tire) system.
• Minimize Downtime: Perform advanced in-house calibrations and repairs, reducing the need for expensive and time-consuming dealer service calls.
• Safety Assurance: Verify the correct operation of all operator safety systems and braking mechanisms to protect your crew.
• Instant Keyword Search: The digital PDF format allows you to find specific technical terms like "fault codes" or "valve timing" in seconds.

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Frequently Asked Questions

Does this cover the pneumatic tires?

Yes, this manual includes complete service and repair data for the rear pneumatic tire drive system unique to the combination model.

Are wiring diagrams included?

Yes, the manual features clear, high-resolution wiring diagrams for accurate electrical circuit tracing and fault diagnosis.

Can I access this manual on my smartphone?

Absolutely. The PDF format is universally compatible with all mobile devices, allowing you to reference technical data directly at the machine.

How will I receive the manual?

You will receive an instant download link immediately after purchase, ensuring you can begin your maintenance or repairs without delay.