Fayat Group BOMAG BW 219 DH-5, Service Manual

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5 Hydraulic system
..............................................................................................................................
299
5.1 Basic principles ......................................................................................................................... 301
5.1.1 Open and closed hydraulic circuit............................................................................................ 301
5.1.2 Swash plate principle, pump.................................................................................................... 303
5.1.3 Swash plate principle, motor.................................................................................................... 304
5.1.4 External gear pumps................................................................................................................ 305
5.2 Overview of hydraulics ............................................................................................................. 308
5.3 Description of hydraulic components ..................................................................................... 311
5.3.1 Travel / vibration pump, H1...................................................................................................... 311
5.3.2 Travel motor, H1....................................................................................................................... 315
5.3.3 Vibration motor A2FM.............................................................................................................. 317
5.3.4 Steering valve.......................................................................................................................... 319
5.4 Description of hydraulic circuits ............................................................................................. 321
5.4.1 Charge circuit........................................................................................................................... 322
5.4.2 Travel circuit............................................................................................................................. 323
5.4.3 Vibration circuit......................................................................................................................... 332
5.4.4 Steering circuit......................................................................................................................... 339
5.4.5 Bypass flow filter...................................................................................................................... 343
5.5 Flushing and bleeding .............................................................................................................. 345
5.5.1 Flushing - general.................................................................................................................... 345
5.5.2 Drum drive................................................................................................................................ 348
5.5.3 Axle drive................................................................................................................................. 354
5.5.4 Vibration circuit......................................................................................................................... 360
5.5.5 Bleeding the travel circuit......................................................................................................... 365
5.5.6 Bleeding the vibration circuit.................................................................................................... 367
5.6 Inspection and maintenance work .......................................................................................... 369
5.6.1 Maintenance Table................................................................................................................... 369
5.6.2 Checks prior to start up............................................................................................................ 369
5.6.3 Every 500 operating hours....................................................................................................... 370
5.6.4 Every 1000 operating hours..................................................................................................... 372
5.6.5 Every 2000 operating hours..................................................................................................... 373
6 Machine assemblies
.........................................................................................................................
375
6.1 Diesel engine ............................................................................................................................. 377
6.1.1 Overviews................................................................................................................................ 378
6.1.2 Lubrication oil circuit................................................................................................................. 383
6.1.3 Cooling circuit........................................................................................................................... 385
6.1.4 Fuel system.............................................................................................................................. 387
6.1.5 Deutz Common Rail................................................................................................................. 390
6.1.6 Wastegate charge pressure controller..................................................................................... 395
6.1.7 Exhaust gas recirculation ........................................................................................................ 396
6.1.8 Engine electrics........................................................................................................................ 398
6.1.9 Inspection and maintenance work............................................................................................ 433
6.2 Drum ........................................................................................................................................... 456
6.2.1 Repair overview for drum......................................................................................................... 456
6.2.2 Dismantling the drum............................................................................................................... 459
6.2.3 Dismantling and assembling the change-over weight.............................................................. 474
Table of contents
BW 219 DH-5 / BW 219 PDH-5 / BW 226 DH-5 / BW 226 PDH-5 5
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