Bomag bw 120 ad manual




















Service manual includes repair and service information, maintenance instructions, complete description of repair and troubleshoot procedures, illustrations and diagrams for tandem vibratory roller and combination roller Bomag following models:. This service manual provides information on repair, maintenance instructions, diagrams, service instructions, etc.

This manual addresses the professionaly qualified personnel or the after sales service of Bomag, and should be of help and assistance in correct and efficient repair and maintenance work. This manual describes the disassembly, dismantling, assembly, installation and repair of components and assemblies. This service manual is in PDF.

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Have something to exchange? If you have a catalog, that we do not have in our list, we would gladly discuss the details of exchange or purchase. Bomag pdf manual instant preview. Electric circuit diagrams Table of contents Function groups Reference lines, frames Potential cross references Relay cross references List of components Electric system. The contents of this training shall enable the service engineer to perform adjustments and trouble shooting as well as all necessary repair work in a professional manner.

The owner of the machine should recognize that the service engineer is fully familiar with the machine. He should realize that the service engineer applies the correct measures to detect a possible fault on a machine and that all repair measures are performed with skill and knowledge. Persons participating on this training course should be confident when having to work on this machine.

Documentation For the BOMAG machines described in this training manual the following documentation is additionally available: Attention! They are most suitable for the compaction of bituminous materials as well as light compaction tasks in earthwork. Compaction is achieved by the vibration of both drums or the vibration of the drum and the static load of the rubber tires. The power output from the water cooled Kubota diesel engine is transferred to drums or wheels travel and vibration systems and to the steering via the hydrostatic drive systems of the machine.

This type of power transmission ensures lowest possible efficiency losses. The motors for the respective drive systems are always arranged on one side of the machine. Since it is beneficial for many applications e. This roller combines the high compaction power of a vibration drum with the excellent surface sealing effect of rubber tires in one machine. This machine obviously achieves considerable savings in costs when compared with a pure vibratory or pneumatic tired roller.

The standard equipment of the machine includes a gravity sprinkler system. A pressure sprinkler system is optionally available on request. In connection with the scrapers the water sprinkler system avoids picking up of material by the drums. On the AC-machines a pressure sprinkler system prevents sticking of dirt and bitumen to the rubber tires.

For this purpose the tires are sprayed with emulsion. Front and rear frames of the machine are joined by an oscillating articulated joint. The amply dimensioned oscillation angle makes sure that the drums always have ground contact over the entire width. Both travel motors are fitted with integrated brakes working as parking brakes. Depending on the position of the brake solenoid valve these brakes are released by charge pressure when starting the engine and applied when shutting the engine down.

To be able to meet these demands the machine must always be ready to be loaded up to its limits. Apart from that, all safety installations must always be fully functional when working under the partly very dangerous conditions on a construction site. Thorough maintenance of the machine is therefore mandatory. This not only guarantees a remarkably higher functional safety, but also prolongs the lifetime of the machine and of important components.

The time required for thorough maintenance is only minor when being compared with the malfunctions and faults that may occur if these instructions are not observed. The maintenance intervals are given in operating hours. It is quite obvious that with each maintenance interval all the work for shorter preceding intervals must also be performed.

During the hour interval you must also perform the maintenance work for the and hour intervals. It should also be clear, that with the hours interval only the work for the 10 and hour intervals must be performed. For maintenance work you must only use the fuels and lubricants mentioned in the table of fuels and lubricants oils, fuels, grease etc. The engine is an upright water-cooled four-stroke diesel engine.

Travel pump Pressure test port A high pressure forward Pressure test port B high pressure reverse High pressure relief valves.



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