Fayat BOMAG BW 161 AC-50, Service Manual, Page: 5 / 41

5.30.4 Float switch in water tank, B33.............................................................................................. 190
5.30.5 Float switch for coolant compensation tank, B55................................................................... 190
5.31 Inspection and maintenance work
........................................................................................
191
5.31.1 Maintenance Table................................................................................................................. 191
5.31.2 Every 500 operating hours..................................................................................................... 191
5.31.3 Every 5000 operating hours................................................................................................... 192
5.31.4 As required............................................................................................................................. 193
6 Diesel engine ..................................................................................................................................... 195
6.1 Overview of diesel engine
........................................................................................................
196
6.2 Service side
...............................................................................................................................
198
6.3 Starter side
................................................................................................................................
199
6.4 Lubrication oil circuit
................................................................................................................
200
6.5 Coolant circuit
...........................................................................................................................
202
6.6 Replacing the thermostat
.........................................................................................................
204
6.7 Fuel supply
................................................................................................................................
206
6.8 Injection system
........................................................................................................................
208
6.9 Injection pump replacement during service
...........................................................................
210
6.9.1 Disassembling the injection pump............................................................................................ 210
6.9.2 Determining the start of injection.............................................................................................. 212
6.9.3 Installing the injection pump..................................................................................................... 215
6.10 Injection valve replacement during service
..........................................................................
220
6.11 Checking / repairing injection valves
....................................................................................
223
6.12 Checking the compression
....................................................................................................
229
6.13 Inspection and maintenance work
........................................................................................
231
6.13.1 Maintenance Table................................................................................................................. 231
6.13.2 Checks prior to start up.......................................................................................................... 232
6.13.3 Every 250 operating hours..................................................................................................... 233
6.13.4 Every 500 operating hours..................................................................................................... 238
6.13.5 Every 1000 operating hours................................................................................................... 240
6.13.6 Every 2000 operating hours................................................................................................... 247
6.13.7 Every 3000 operating hours................................................................................................... 250
6.13.8 As required............................................................................................................................. 250
7 Hydraulic system .............................................................................................................................. 255
7.1 Overview of hydraulics
.............................................................................................................
256
7.1.1 Pump overview......................................................................................................................... 258
7.2 Open and closed hydraulic circuit
..........................................................................................
261
7.3 Hydraulic units
..........................................................................................................................
263
7.3.1 Travel pump, A4VG71 EP........................................................................................................ 263
7.3.2 Vibration pump, A10VG28 / 45 EP........................................................................................... 269
7.3.3 Swash plate principle, pump.................................................................................................... 274
7.3.4 Drum drive motor..................................................................................................................... 276
7.3.5 Vibration motor......................................................................................................................... 280
7.3.6 External gear pumps................................................................................................................ 282
7.3.7 Outer gear motors non-reversible............................................................................................ 284
7.3.8 Steering valve.......................................................................................................................... 285
7.4 Charge circuit and fan circuit
..................................................................................................
287
Table of contents
BW 161 AC-50 / BW 161 AD-50 / BW 161 ADO-50 5
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