This Bomag BW 161 AD-4, BW 202 AD-4 Service Training PDF breaks both tandem rollers down system by system across 178 pages, filed under OEM number 008 099 81. Wiring diagrams trace the supply, starting unit, brake, seat contact and sprinkler circuits, while hydraulic schematics follow oil from the travel, vibration and steering pumps out to the drum drive and vibration motors. Troubleshooting tables for travel, vibration and steering sit beside factory test and adjustment points, so your gauge readings actually settle arguments. Check charge pressure against the 25 bar high idle figure before you condemn a travel pump, then gap the Deutz valves at 0.3 mm intake and 0.5 mm exhaust. A roller stopped mid-mat usually comes down to one missing pressure value. Print the section you need, let it collect grease on the bench, and keep the bookmarked file for the next job.
Complete the set for your BW 161 AD-4, BW 202 AD-4
What's Inside This Bomag BW 161 AD-4, BW 202 AD-4 Manual
| System | Pages | Key Topics |
|---|
| Documentation | 5 | Index of related Bomag publications (each sold separately) |
| General | 6 | Machine Overview, Deutz BF4M 2012 Engines, Hydrostatic Drive Concept |
| Technical Data and Adjustment Values | 7-11 | Engine, Travel Pump, Reduction Gear, Drum Drive, Vibration Pump, Vibration Motor, Steering and Charge Pump, Steering Valve |
| Maintenance | 12-15 | Maintenance Schedule |
| Deutz Diesel Engine | 16-49 | Service Side, Starter Side, Lubrication Oil Circuit, Coolant Circuit |
| Travel System | 50-74 | Travel Pump, Control (Charge Pressure Relief Valve, High Pressure Relief Valve, Pressure Override), Travel Motor |
| Vibration | 75-96 | Vibration Pump (High Pressure Relief Valves, Control) |
| Steering | 97-111 | Steering/Charge Pump, Steering Valve (Priority Valve, Crab Walk, Articulated Joint, Measuring and Adjustment Points, Trouble Shooting Steering System) |
| Electrics, Module Descriptions | 112-148 | Hardware Description, Description of Function |
| Wiring Diagram | 149-176 | Supply, Starting Unit, Brake, Seat Contact, Monitoring Unit, Sprinkler System, Motor Speed, Illumination |
| Hydraulic Diagram | 177-178 | Travel Pump, Vibration Pump, Steering Pump, Steering Valve, Priority Valve, Crab-Walk Valve, Travel Motor, Vibration Motor |
Quick Reference Specifications
| Specification | Value | Page |
|---|
| Travel pump high pressure limitation | 455 bar | p. 8 |
| Travel pump pressure override | 420+/-15 bar | p. 8 |
| Intake valve clearance | 0.3 mm | p. 26 |
| Exhaust valve clearance | 0.5 mm | p. 26 |
| Cylinder head cover tightening torque | 9 +/- 1 Nm | p. 43 |
| Crankcase ventilation tightening torque | 9 +/- 1 Nm | p. 43 |
| Injection pump screws initial tightening torque | 5 Nm | p. 42 |
| Injection pump screws final tightening torque stages | 7 Nm, 10 Nm and 30 Nm | p. 43 |
| Solenoid for high amplitude | 0/12 V | p. 91 |
| Solenoid for low amplitude | 0/12 V | p. 91 |
| Engine Oil Capacity | 9.5L | p. 9 |
| Hydraulic Oil Capacity | 60L | p. 9 |
