Bomag BW 120 AC-5 Tandem Vibratory Roller Pdf Repair Service Manual 00840072EN

Factory Workshop Manual for Bomag BW 120 AC-5 Tandem Vibratory Rollers

The Bomag BW 120 AC-5 Combination Roller PDF Repair & Service Manual (P/N: 00840072EN) is a professional-grade technical guide designed for the comprehensive maintenance and restoration of this 5th generation asphalt compactor. Featuring a 1200mm vibratory steel drum at the front and four pneumatic tires at the rear, this Dash-5 series machine requires specialized technical knowledge to maintain its hybrid compaction systems. This manual provides the factory-sanctioned data necessary to ensure your equipment operates at maximum efficiency.

Equipped with the latest electronic monitoring and Tier-compliant engine technology, the BW 120 AC-4 demands precise calibration. This manual covers everything from routine fluid changes to the complex recalibration of the hydrostatic drive, vibration frequency systems, and the rear-wheel traction assembly unique to the combination series.

Essential for heavy equipment mechanics, field service technicians, and construction fleet owners, this document ensures that all repairs meet the original manufacturer's high-performance benchmarks and safety standards.

Detailed Maintenance & Technical Data

• Engine Diagnostics: Full service data for the liquid-cooled diesel engine, including fuel system bleeding, valve lash settings, and cooling system pressure testing.
• Hydraulic Precision: Detailed pressure benchmarks for the travel, vibration, and steering circuits, ensuring accurate pump and motor performance.
• Structural Torque Values: Critical fastening specifications for the articulation joint, drum mounts, wheel lug nuts, and vibration exciter housings.
• Fluid & Lubrication Guide: Exact capacities and approved oil grades for the engine, hydraulic tank, and planetary gearboxes required for the Dash-5 series.

Comprehensive System & Service Coverage

• Front Drum Vibration: Complete teardown and assembly instructions for the front vibratory drum, including bearing fits, exciter shaft timing, and isolation mount replacement.
• Rear Pneumatic Drive: Specialized service routines for the rear tire assembly, focusing on the hydrostatic tire motors and scraper blade adjustments.
• Hydrostatic Transmission: Diagnostic flowcharts for the travel drive system, focusing on neutral adjustment, travel motor rebuilding, and travel lever calibration.
• Electronic Systems: High-resolution wiring diagrams covering the Dash-5 control logic, sensors, safety interlocks, and digital dashboard indicators.
• Water & Emulsion Spray: Service guides for the interval-controlled pressurized sprinkler system and filtration to prevent asphalt pickup on both drums and tires.
• Brake Logic: Testing and adjustment for the spring-applied hydraulic-release (SAHR) braking system and emergency stop circuits.

Manual Specifications

• Machine Model: Bomag BW 120 AC-5 (Combination Roller)
• Part Number: 00840072EN
• Generation: Dash-5 Series
• Format: PDF Digital Download (Fully Searchable & Bookmarked)
• Language: English
• Total Pages: 850+
• File Size: Approximately 85 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 Troubleshooting: Reduce diagnostic time with logical charts that identify the root cause of hydraulic or electrical failures.
• Minimize Maintenance Costs: Perform complex repairs and calibrations in-house, avoiding the high costs of dealership service calls.
• Safety Assurance: Verify that all operator safety systems, including seat switches and emergency brakes, are functioning correctly.
• Searchable Digital Access: The PDF format allows you to find specific keywords like "fault codes" or "wiring" in seconds directly on your device.

Why Buy from Manualskart.com

Manualskart.com is your premier destination for high-quality heavy equipment documentation. We provide verified, clear, and easy-to-use PDF manuals that empower technicians to perform professional-grade repairs with confidence and precision.

View our complete range of Bomag Roller Service Manuals for more technical guides.

Frequently Asked Questions

Does this cover the pneumatic tire (Combination) model?

Yes, this is the official manual for the AC-5 model, covering both the front steel drum and the rear pneumatic tires.

Are wiring diagrams included?

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

Can I access this on my smartphone?

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

How will I receive the file?

Your download link will be provided instantly after purchase, ensuring you can begin your repairs without delay.