Fayat Group BOMAG BW 202 AD-50 Service Manual page 6

Table of contents
7.3.7 Outer gear motors non-reversible............................................................................................ 293
7.3.8 Steering valve.......................................................................................................................... 294
7.4 Charge circuit and fan circuit.................................................................................................. 296
7.5 Travel circuit.............................................................................................................................. 299
7.6 Vibration circuit......................................................................................................................... 305
7.7 Steering and crabwalk.............................................................................................................. 315
7.8 Edge cutter................................................................................................................................ 320
7.9 Tests and adjustments............................................................................................................. 322
7.9.1 Pump overview......................................................................................................................... 322
7.9.2 Activate service mode.............................................................................................................. 325
7.9.3 Driving against the closed brake.............................................................................................. 326
7.9.4 Pressure tests in the travel circuit............................................................................................ 328
7.9.5 Checking/adjusting the neutral positions of the travel pump.................................................... 330
7.9.6 Checking the setting of the high pressure limiting valves in the travel system........................ 333
7.9.7 Pressure tests in the front vibration circuit............................................................................... 336
7.9.8 Pressure tests in the rear vibration circuit................................................................................ 338
7.9.9 Checking the high pressure limiting valves in the front vibration circuit................................... 339
7.9.10 Checking the high pressure relief valves in the rear vibration circuit..................................... 341
7.10 Flushing and bleeding............................................................................................................ 344
7.10.1 Flushing - general.................................................................................................................. 344
7.10.2 Flushing diagram for front drum drive.................................................................................... 347
7.10.3 Flushing the front drum drive................................................................................................. 349
7.10.4 Flushing diagram for rear drum drive..................................................................................... 353
7.10.5 Flushing the rear drum drive.................................................................................................. 355
7.10.6 Flushing diagram for front vibration circuit............................................................................. 360
7.10.7 Flushing the front vibration circuit ......................................................................................... 362
7.10.8 Flushing diagram for rear vibration circuit.............................................................................. 367
7.10.9 Flushing the rear vibration circuit .......................................................................................... 368
7.10.10 Bleeding the travel circuit..................................................................................................... 372
7.10.11 Bleeding the vibration circuit................................................................................................ 374
7.11 Inspection and maintenance work......................................................................................... 377
7.11.1 Maintenance Table................................................................................................................. 377
7.11.2 Checks prior to start up.......................................................................................................... 377
7.11.3 Every 500 operating hours..................................................................................................... 378
7.11.4 Every 1000 operating hours................................................................................................... 378
7.11.5 Every 2000 operating hours................................................................................................... 381
8 Water spraying system..................................................................................................................... 383
8.1 Overview of water spraying system........................................................................................ 384
8.1.1 Tandem rollers.......................................................................................................................... 384
8.1.2 Pump overview......................................................................................................................... 384
8.2 Inspection and maintenance work.......................................................................................... 387
8.2.1 Maintenance Table................................................................................................................... 387
8.2.2 Checks prior to start up............................................................................................................ 387
8.2.3 As required............................................................................................................................... 388
9 Air conditioning................................................................................................................................. 395
9.1 Overview of air conditioning system...................................................................................... 396
6 BW 202 AD-50 / BW 206 AD-50 / BW 202 ADO-50
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