Cable, radio and infrared Hetronic remotes all drive the same multi-purpose compactor, and this Bomag BMP 851 operator manual PDF carries the full command chain for every one of them across 112 pages under OEM number 008 111 41. Troubleshooting tables walk each remote type through its failure modes, right down to the fault indicator and fault codes on the display module, while the maintenance chart schedules every check from engine oil to the vibrator bearing housings. Pairing a transmitter, entering the machine type code and recharging the power packs each get their own procedure. Set valve clearance to 0.1 mm, blow the combustion air filter out at no more than 5 bar, and stay with 46 mm2/s hydraulic oil when you top up. A compactor that ignores its transmitter stalls the whole backfill schedule. Bookmarked and text-searchable, this PDF goes wherever your 851 does: truck cab, site trailer or the trench edge itself.
What's Inside This Bomag BMP 851 Operator Manual
| System | Pages | Key Topics |
|---|---|---|
| Technical Data | 7-12 | Drive System, Brakes, Steering, Vibration System, Filling Capacities, Noise Values |
| Safety Regulations | 13-20 | General Safety, Starting the Machine, Maintenance Work |
| Indicators and Controls | 21-30 | General Notes |
| Operation | 31-70 | General, Tests Before Taking Into Operation, Opening / Closing the Service Hood, Starting the Engine, Driving the Machine, Safety Inspection for the Cable Remote Control |
| Maintenance | 71-96 | Fuels and Lubricants, Table of Fuels and Lubricants, Running-In Instructions, Maintenance Chart, Checking the Engine Oil Level, Checking the Hydraulic Oil Level |
| Trouble Shooting | 97-112 | Engine, Problems with Remote Control Hetronic with Spiral Cable, Problems with Radio Remote Control Hetronic in Radio Operation, Fault Indicator, Fault Code |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Kinematic viscosity at 40°C | 46 mm2/s | p. 74 |
| Valve clearance | 0.1 mm | p. 83 |
| Air filter replacement interval | after 3 cleaning sessions, but at the latest after 1 year | p. 85 |
| Air filter cleaning pressure | max. 5 bar | p. 87 |
| Basic weight | 1540 kg | p. 8 |
| Operating weight (CECE) | 1548 kg | p. 8 |
| Travel speed 1 | 1.2 km/h | p. 8 |
| Travel speed 2 | 2.7 km/h | p. 8 |
| Fuel tank capacity | 19 l | p. 9 |
| Hydraulic oil capacity | 38 l | p. 9 |
| Engine oil capacity | 2.5 l | p. 9 |
| Drum extension fastening torque | 652 Nm | p. 95 |
Bomag BMP 851 Common Problems This Manual Covers
Bomag BMP 851 loses drive under load, travel function stops responding to remote
Check the hydraulic oil level first; the tank holds 38 l and a low level explains a dead travel circuit faster than anything else. Inspect hoses and fittings under the service hood for leaks. Top up only with 46 mm2/s hydraulic oil from the fuels table on page 74, then work through the procedures starting on page 98.
Manual Section: Trouble Shooting p. 98Engine overheats and shuts down during long vibration passes on hot days
Shut down and let the engine cool. Clean dirt from the cooling fins and the cooling air intake openings with compressed air. Check the engine oil level before restarting; the sump holds only 2.5 l, so even a small loss matters. Engine troubleshooting begins in the section starting on page 97.
Manual Section: Trouble Shooting p. 97Engine cranks but starts hard, then dies after a few minutes of running
Verify fuel level first; the tank only holds 19 l and runs down fast over a full shift of vibration. Drain water from the fuel water separator and replace a clogged fuel filter. Fill only through a clean strainer to keep dirt out; the maintenance chart on page 77 lists the service intervals.
Manual Section: Maintenance p. 72Vibration feels weak and the lift needs extra passes to reach target density
Check the exciter housing oil level and inspect the rubber buffers between drum and frame for cracks or separation; follow the maintenance chart on page 77 for the service intervals, including the 2000 hour hydraulic oil change. If vibration stays weak, start the troubleshooting procedures on page 98.
Manual Section: Maintenance p. 72Remote control connected but the machine will not respond to travel commands
Check that the emergency stop button on the transmitter is released and the spiral cable connector is seated with no bent pins. Test in speed range 1; the machine should creep at 1.2 km/h per the specs on page 8. If it still sits dead, work through the troubleshooting procedures starting on page 98.
Manual Section: Trouble Shooting p. 98Frequently Asked Questions
What is the machine type code for the BOMAG BMP 851?
The machine type code for the BMP 851 is 7101. This code must be entered via the display module when retrofitting a radio or infrared remote control to ensure correct function. p. 64
How do I check the hydraulic oil level on a BOMAG BMP 851?
Check the oil level using the inspection glass on the hydraulic oil tank. If the level has dropped, check all lines, hoses, and components for leakages, then fill with hydraulic oil until it reaches the middle of the MAX-inspection glass. p. 78
What is the required valve clearance for the engine?
The valve clearance for both valves must be set to 0.10 mm on a cold engine (10 to 30 °C). p. 83
What is the oil capacity for the vibrator shaft bearing?
The vibrator shaft bearing requires approximately 1.3 litres of engine oil (SAE 15W/40). p. 75
What is the tightening torque for the drum extension screws?
The fastening screws for the drum extension must be tightened to 652 Nm. p. 95
How is this Bomag BMP 851 Operator Manual delivered?
This is a 112-page searchable PDF ready for immediate download. Works on any device, so pull it up on your phone while you're under the hood. No shipping, no waiting.
Can I print just the pages I need from this Bomag BMP 851 manual?
Absolutely. No DRM or copy protection. Print the whole manual or just the pages you need. Any home or office printer works.
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