Restoring vibration control and travel performance to your tandem vibratory roller requires the Bomag BW 191 AD-5 AM, BW 206 AD-5 AM service manual PDF, delivering 914 pages of direct factory data (OEM 008 401 18 EN). The documentation maps out the complete electrical architecture with wiring diagrams for the Kubota and Deutz engines and the Asphalt Manager compaction system. Hydraulic schematics trace the closed-loop travel and vibration circuits, while troubleshooting charts guide you through faults like vibration loss on the front drum exciter. Verify your travel pump output by checking the forward and backward pressure test ports, which must hit exactly 450 bar, and ensure the charge pressure holds at 25 bar. A roller parked mid-mat costs the whole paving train time, so use the digital bookmarks to locate your Deutz EMR4 fault codes fast, print the pages you need, and take them straight to the drum.
What's Inside This Bomag BW 191 AD-5 AM, BW 206 AD-5 AM Manual
| System | Pages | Key Topics |
|---|---|---|
| General | 9-62 | Introduction |
| Technical Data | 63-86 | Bw 191 Ad-5 Am, Bw 206 Ad-5 Am, Additional Technical Data |
| Electric Systems | 109-342 | Basic Principles (Measuring Method, Understanding Electric Circuit Diagrams, Telemecanique Switch, Deutsch Plug, Series Dt and Dtm) |
| Hydraulic System | 343-466 | Basic Principles (Open and Closed Hydraulic Circuit, Swash Plate Principle, Pump, Motor, External Gear Pumps, Outer Gear Motors Non-Reversible) |
| Machine Assemblies | 467-658 | Diesel Engine (Overview of Diesel Engine, Lubrication Oil Circuit Tcd 4.1 / 6.1, Coolant Circuit Tcd 4.1 / 6.1, Common Rail System, Wastegate Charge Pressure Controller, Exhaust Gas Recirculation, Eat – Exhaust Aftertreatment System, Engine Electrics, Maintenance Work) |
| Troubleshooting | 659-788 | Preliminary Remarks, Emergency Procedures (Actuating the Emergency Stop Switch, Disconnecting the Battery, Towing the Machine) |
| Special Tools | 789-794 | List of Special Tools, Electrics |
| Appendix | 813-914 | Circuit Diagrams (Circuit Diagram 485, Hydraulic Diagram 921 130 77, Water Spraying Diagram 921 133 28) |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Temperature sensor for hydraulic oil | 1K at 18°C | p. 164 |
| Solenoid valve resistance | 6 Ω | p. 356 |
| Charge pressure test port pressure | 25 bar | p. 356 |
| Solenoid valves resistance | 6 Ω | p. 411 |
| Hydraulic oil filter replacement interval | 1000 operating hours | p. 462 |
| AdBlue/DEF filter cover tightening torque | 22.5 Nm (16.6 ft·lbf) | p. 539 |
| Fastening screw for idler pulley | 80 Nm (59 ft·lbf) | p. 549 |
| Maximum air pressure for cleaning air filter | 2.1 bar (30 psi) | p. 552 |
| Pressure switch low pressure off | 1.5 ±0.5 bar | p. 615 |
| Pressure switch low pressure on | 3.5 bar | p. 615 |
| Bending radius for GH 134 NW8 hose | 50 mm | p. 616 |
| Bending radius for GH 134 NW10 hose | 65 mm | p. 616 |
Bomag BW 191 AD-5 AM, BW 206 AD-5 AM Common Problems This Manual Covers
Bomag BW 191 AD-5 AM hard vibration loss on front drum and exciter will not engage
Test the vibration circuit start-up pressure at the test port. Verify it hits 380 bar as detailed on page 388 before dropping to the 100 to 120 bar operating pressure. If pressure is low, inspect the solenoid valve and ensure resistance measures exactly 6 Ω.
Manual Section: Hydraulic System p. 388Travel performance drops after an hour of paving and hydraulic system overheats
Check the sight glass on the tank to confirm the hydraulic oil level is approximately 3 cm (1.2 in) below the top edge, as shown on page 461. Drain and refill the 80 L system capacity if fluid is burnt, and replace the return filter.
Manual Section: Hydraulic System p. 461Engine derates heavily under load during compaction passes and throws emissions fault codes
Inspect the aftertreatment system components and verify the AdBlue/DEF filter cover is tight. Torque the cover to exactly 22.5 Nm (16.6 ft·lbf) as specified on page 539. Pull active DTCs from the engine control module to trace specific SCR warning strategy faults.
Manual Section: Machine Assemblies p. 539Diesel engine turns over slowly or lacks power when pushing material on a steep grade
Remove the primary engine air filter element and inspect for heavy dust packing. Clean the element using a blow gun, strictly limiting maximum air pressure to 2.1 bar (30 psi) to prevent paper tear, following the maintenance procedures outlined on page 552.
Manual Section: Machine Assemblies p. 552Frequently Asked Questions
How do I reset the fault codes on the BMESX control?
To delete all stored faults, ensure the engine is not running, enter code number 0710 (without service code 9999), and switch the ignition off and on again. p. 225
What is the tightening torque for the precision spreader mounting screws on the Bomag BW 191 AD-5 AM, BW 206 AD-5 AM?
The locking screws for mounting the precision spreader should be tightened to 10 Nm (7.4 ft-lbf), turned in from the right and left sides. p. 635
What torque is required for the counter nut on the Bomag BW 191 AD-5 AM, BW 206 AD-5 AM high pressure limiting valve?
When adjusting the high pressure limiting valves for the bypass function, the counter nut must be tightened to 22 Nm. p. 363
What is the correct valve clearance for the intake and exhaust valves on the Bomag BW 191 AD-5 AM, BW 206 AD-5 AM?
The valve clearance adjustment angle is 75° ± 15° for the intake valve and 120° ± 15° for the exhaust valve. p. 545
What is the tightening torque for the cylinder head cover screws on the Bomag BW 191 AD-5 AM, BW 206 AD-5 AM?
When reinstalling the cylinder head cover after adjusting the valve clearance, the screws should be tightened to 13 Nm (10 ft-lbf). p. 546
How will I receive this Bomag BW 191 AD-5 AM Service Manual?
Instant PDF download. You get the full 914-page searchable Service Manual immediately after payment. Open it on your laptop, tablet, or phone right in the shop.
Is this Bomag BW 191 AD-5 AM Service Manual printable?
Yes. The PDF has no DRM restrictions, so print any page or section you need for your shop. Works with any standard printer.
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