Standard 850 mm (33.5 in), with options to reduce to 610 mm (24 in) Overall Length: 1,897 mm (74.7 in) Overall Height: 1,275 mm (50.2 in) Engine Specifications Engine Model: Hatz 2G40 Type: 2-cylinder, air-cooled diesel engine Power Output: 13.8 kW (18.5 HP) at 2,700 RPM Cooling System: Air-cooled via integrated flywheel blower Performance & Vibration Drive System: Hydrostatic, all-wheel drive Vibration System: Hydrostatic exciter drive Frequency: 32 Hz (1,920 vpm) Centrifugal Force: 72 kN (High) / 36 kN (Low) 2. Fluid Capacities and Specifications
The Bomag BMP851 is a legendary multi-purpose trench roller designed for heavy compaction work on cohesive soils, trenches, and pipeline construction. Known for its articulating chassis and dual-drum hydrostatic drive, this machine operates in demanding environments. To maintain its reliability, prevent catastrophic failures, and extend its operational life, having access to and understanding the official Bomag BMP851 service manual is essential.
The exciter system delivers the compaction force. The service manual explains: Replacing worn drum scrapers. Changing the exciter housing oil. Rebuilding the internal eccentric weights and bearings. 3. Preventative Maintenance Schedule
: Adjusting valve clearances and checking rubber buffers. service manual for bomag bmp851
A factory service manual is the single most important tool in a mechanic's arsenal for keeping this machine running. This comprehensive guide covers what the Bomag BMP851 service manual includes, why it is indispensable, and how to utilize it for troubleshooting and repairs. 1. Document Overview and Specifications
However, that offset capability creates complexity.
Procedures to check high and low-pressure limits using pressure gauges. Standard 850 mm (33
The BOMAG BMP851 is a premier trench compactor known for its reliability in heavy-duty soil compaction. Maintaining this machine requires strict adherence to factory specifications. This comprehensive service guide outlines essential maintenance procedures, troubleshooting workflows, and technical specifications required to keep your BOMAG BMP851 operating at peak performance. Technical Specifications & Fluid Capacities
Reviews for the indicate it is a highly technical, comprehensive resource essential for both professional mechanics and owners performing their own maintenance . Often found as a Service Training Manual , it is praised for its depth in troubleshooting complex systems like the radio and cable remote controls. Key Contents and Quality
If you own or operate a Bomag BMP 851, you already know one thing: this isn’t your average compactor. Known affectionately as the "baby roller" due to its narrow frame and impressive drum offset, the BMP 851 is the king of trench compaction. Changing the exciter housing oil
The BMP 851 typically runs a robust Hatz diesel engine. The manual provides the specific torque specs for the cylinder head, valve clearance settings, and fuel injection timing. If you’re doing an engine rebuild, this data is critical to prevent seizing or poor performance.
The service manual provides detailed diagnostic matrices. Below are three common issues faced by operators and how the manual directs you to solve them. Issue 1: Machine Will Not Move (Hydraulic Starvation) Verify the hydraulic reservoir is full.
If you need help diagnosing a specific issue with your machine, please tell me: