Bearing OEM part number 008 925 49, this 874-page factory document is the Bomag BW 161 ADO-5, BW 161 AC-5, BW 161 AD-5 service manual pdf required to maintain your tandem vibratory and combination rollers. Full hydraulic schematics trace the closed-loop travel pump and drum drive motor circuits, letting you track down charge pressure drops before they stall a pass. Detailed troubleshooting charts guide your diagnostic process through the electrical system and common-rail diesel engine, tying fault codes back to the power board and CAN bus circuitry. Factory specifications eliminate the guesswork, confirming exact limits like the flushing valve pressure relief rated at 16 bar and the V-belt pulley tightening torque set between 58.4 and 78.9 Nm. Guessing at a hydrostatic fault usually guarantees a ruined component or a second teardown, so download this bookmarked, text-searchable file to get your roller back on the mat and finishing the lift.
What's Inside This Bomag BW 161 ADO-5, BW 161 AC-5, BW 161 AD-5 Manual
| System | Pages | Key Topics |
|---|---|---|
| General | 11-60 | Introduction |
| Fuels and Lubricants | 61-68 | Engine Oil, Fuel, Coolant, Hydraulic Oil, Gear Oil Sae 75W-90 |
| Technical Data | 69-84 | Technical Data Bw 161 Ad-5, Technical Data Bw 161 AC-5, Technical Data Bw 161 Ado-5, Additional Technical Data, Terms and Basis of Calculation |
| Electric Systems | 105-194 | Overview of Electric System, Table of Fuels and Lubricants (Table of Operating Means, Comparison Bomag Kubota), Wiring, CAN Bus Overview, Power Board, Control Console Cabin |
| Diesel Engine | 195-254 | Overview of Diesel Engine, Features, Cooling System (Removing and Installing the Thermostat), Intake Air Heating, Fuel Supply, Common-Rail System, Exhaust System |
| Hydraulic System | 255-378 | Overview of Hydraulics (Pump Overview), Open and Closed Hydraulic Circuit |
| Water Spraying System | 379-392 | Overview of Water Spraying System (Tandem Rollers, Combination Rollers, Pump Overview), Maintenance Work (Maintenance Table, Checks Prior to Start Up, As Required) |
| Air Conditioning | 393-428 | Overview of Air Conditioning System, Physical Principles, Refrigerant R134a, Compressor Oil / Refrigeration Oil, Working Principle of the Air Conditioning System |
| Drum | 429-532 | Ad Drum (Overview, Ad Drum, Ad/Ap Removing, Assembling the Exciter Unit) |
| Chip Spreader | 533-542 | Mounting / Removing the Precision Spreader (Preliminary Remarks and Safety Notes), Maintenance Work (Maintenance Table, Checks Prior to Start Up, Every 1000 Operating Hours) |
| Cabin Assembly | 543-552 | Lifting Eyes, Fastening Screws, Bulkhead Seal, Seat Contact Switch, Air Conditioning, Windscreen Washer System |
| Troubleshooting | 553-740 | Preliminary Remarks, Emergency Procedures (Actuating the Emergency Stop Switch, Disconnecting the Battery, Towing the Machine) |
| Disposal | 741-742 | Final Shut-Down of Machine |
| Special Tools | 743-752 | Electrics, Special Tools for Ado Drum, List of Special Tools |
| Appendix | 771-874 | Circuit Diagrams (Water Spraying Diagram 921 133 28, Hydraulic Diagram 921 125 78c, Hydraulic Diagram 921 125 95c, Circuit Diagram 366) |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| V-belt pulley tightening torque | 58.4 to 78.9 Nm | p. 176 |
| Tightening torque for wheel nuts (fine thread) M22 x 1.5 | 500 - 600 Nm | p. 49 |
| Hydraulic oil filter replacement interval | 1000 operating hours | p. 372 |
| Flushing valve pressure relief valve | 16 bar | p. 323 |
| Solenoid valve for brake (Y04) current | 1.8 A | p. 122 |
| Temperature sensor for hydraulic oil (B98) resistance | 1K at 18°C | p. 115 |
| Radial seal assembly drift punch diameter | 0.4 mm smaller than the outer diameter of the seal | p. 43 |
| Engine Oil Capacity | 13L | p. 66 |
| Fuel Tank Capacity | 145L | p. 66 |
| Coolant Capacity | 18L | p. 66 |
| Hydraulic System Oil Capacity | 80L | p. 66 |
| Refrigerant R134a Capacity | 1300g | p. 66 |
Bomag BW 161 ADO-5, BW 161 AC-5, BW 161 AD-5 Common Problems This Manual Covers
Bomag BW 161 ADO-5 travel system loses drive or feels weak under load on hot asphalt
Check the brake releasing pressure on page 276 to verify it reaches 30 bar. If pressure drops, inspect the closed-loop travel pump. Replace the hydraulic oil filter if the machine exceeds the 1000 operating hours interval noted on page 372.
Manual Section: Hydraulic System p. 276Vibration not engaging on one drum or both drums during heavy compaction passes
Inspect the drum drive motor circuit and test the flushing valve pressure relief valve on page 323. Confirm it holds exactly 16 bar. Check the drum components and verify the V-belt pulley tightening torque on page 176 is 58.4 to 78.9 Nm.
Manual Section: Hydraulic System p. 323Parking brake does not hold the roller on an incline or slips unexpectedly during operation
Test the solenoid valve for brake (Y04) circuit. Measure the current draw on page 122 and verify it reads exactly 1.8 A. If the current is out of spec, replace the solenoid to restore holding force before returning the machine to the paving train.
Manual Section: Electric Systems p. 122Machine overheats during continuous paving work and the hydraulic temperature warning alarm sounds
Measure the temperature sensor for hydraulic oil (B98) resistance. Verify the sensor reads exactly 1K at 18°C as shown on page 115. Drain the tank and refill the hydraulic system oil capacity to the specified 80L limit found on page 66.
Manual Section: Electric Systems p. 115Frequently Asked Questions
How do I delete all stored faults on the machine?
To delete all stored faults, ensure the engine is not running. Enter code number 0710 (without service code 9999) and then switch the ignition off and on again. All stored faults will be deleted. p. 619
What is the procedure for checking the engine oil level?
If the engine is warm, shut it down and wait five minutes before checking. If the engine is cold, you can check it immediately. The oil level must be between the MIN and MAX marks on the dipstick. p. 230
What is the tightening torque for the M12 wheel nuts on the Bomag BW 161 ADO-5, BW 161 AC-5, BW 161 AD-5?
The tightening torque for M12 x 1.5 wheel nuts is 100 Nm. p. 49
What is the required coolant mixing ratio for the Bomag BW 161 ADO-5, BW 161 AC-5, BW 161 AD-5?
Always use a mixture of anti-freeze agent and clean, dehardened water with a mixing ratio of 1:1. p. 63
What oil viscosity is recommended for the Bomag BW 161 ADO-5, BW 161 AC-5, BW 161 AD-5 above 25 °C?
For ambient temperatures higher than 25 °C (77 °F), the recommended oil viscosity classes are SAE 30, SAE 10W-30, or SAE 15W-40. p. 62
What do I get after purchasing this Bomag BW 161 ADO-5 manual?
A 874-page Service Manual in searchable PDF format, available the moment you complete checkout. View on computer, tablet, or phone, with no shipping wait.
Are there any print restrictions on this Bomag BW 161 ADO-5 manual?
Zero restrictions. The PDF is DRM-free. Print whatever sections you need to take out to the shop. Standard letter or A4 paper works.
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