Fayat Group BOMAG BW 174 APO-4i Service Manual page 6

Table of contents
6.12.1 Activate service mode............................................................................................................ 341
6.12.2 Driving against the closed brake............................................................................................ 342
6.12.3 Turn the steering against an end stop.................................................................................... 345
6.12.4 Checking the rotation speeds................................................................................................. 347
6.12.5 Pressure tests in the travel circuit.......................................................................................... 348
6.12.6 Checking / adjusting the neutral positions of the travel pump................................................ 351
6.12.7 Checking the setting of the high pressure limiting valves in the travel system...................... 353
6.12.8 Pressure tests in the vibration circuit..................................................................................... 356
6.12.9 Checking the setting of the high pressure relief valves in the vibration circuit....................... 357
6.12.10 Checking / adjusting the vibrator shaft speeds.................................................................... 359
6.12.11 Checking the leakage rate of the vibration motor................................................................. 361
6.12.12 Pressure test in the steering circuit...................................................................................... 362
6.13 Flushing and bleeding............................................................................................................ 365
6.13.1 Flushing - general.................................................................................................................. 365
6.13.2 Flushing diagram for travel circuits........................................................................................ 368
6.13.3 Flushing the travel circuit....................................................................................................... 371
6.13.4 Flushing diagram for vibration drive....................................................................................... 377
6.13.5 Flushing the vibration circuit................................................................................................... 378
6.13.6 Bleeding the travel circuit....................................................................................................... 383
6.13.7 Bleeding the vibration circuit.................................................................................................. 385
6.14 Inspection and maintenance work........................................................................................ 388
6.14.1 Maintenance Table................................................................................................................. 388
6.14.2 Checks prior to start up.......................................................................................................... 388
6.14.3 Every 500 operating hours..................................................................................................... 389
6.14.4 Every 1000 operating hours................................................................................................... 391
6.14.5 Every 2000 operating hours................................................................................................... 393
7 ASPHALT MANAGER........................................................................................................................ 395
7.1 Controlled compaction............................................................................................................. 396
7.2 Description of function............................................................................................................. 397
7.3 Automatic measuring and controlling.................................................................................... 399
7.4 MESX, A83................................................................................................................................. 402
7.5 Block diagrams......................................................................................................................... 403
7.6 Asphalt temperature sensor, B106.......................................................................................... 404
7.7 Acceleration transducer, B84 & B85....................................................................................... 405
7.8 Speed sensor, B60.................................................................................................................... 407
7.9 Hydraulic circuit........................................................................................................................ 408
7.9.1 Slewing motor.......................................................................................................................... 412
7.10 Replacing the slewing motor................................................................................................. 414
7.11 Potentiometer on slewing motor, B97................................................................................... 417
7.12 Drum......................................................................................................................................... 421
7.13 Inspection and maintenance work........................................................................................ 423
7.13.1 Maintenance Table................................................................................................................. 423
7.13.2 Every 1000 operating hours................................................................................................... 423
8 Air conditioning................................................................................................................................. 427
8.1 Overview of air conditioning system...................................................................................... 428
8.2 Physical principles.................................................................................................................... 430
6 BW 174 APO-4i / BW 174 AP-4i / BW 174 ACP-4i AM / BW 174 AP-4i AM
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