
3.4.1 Diesel engine............................................................................................................................. 98
3.4.2 Drum.......................................................................................................................................... 99
3.4.3 Air conditioning......................................................................................................................... 101
3.4.4 Auxiliary heating, AIRTRONIC................................................................................................. 102
4 Electric systems................................................................................................................................ 103
4.1 Basic principles......................................................................................................................... 104
4.1.1 Measuring method................................................................................................................... 105
4.1.2 Understanding electric circuit diagrams................................................................................... 109
4.1.3 Telemecanique switch.............................................................................................................. 122
4.1.4 Deutsch plug, series DT and DTM........................................................................................... 124
4.2 Overview of electric system..................................................................................................... 128
4.2.1 Central electrics....................................................................................................................... 130
4.2.2 Operator’s stand...................................................................................................................... 132
4.2.3 Wiring....................................................................................................................................... 133
4.2.4 CAN BUS overview.................................................................................................................. 149
4.2.5 Table of fuels and lubricants..................................................................................................... 151
4.3 Starting the engine with jump leads........................................................................................ 159
4.4 Fuse assignment....................................................................................................................... 160
4.4.1 Notes on safety........................................................................................................................ 160
4.4.2 Central electrics....................................................................................................................... 160
4.4.3 Main fuses................................................................................................................................ 161
4.4.4 Control console cabin............................................................................................................... 162
4.5 Central electrics........................................................................................................................ 163
4.6 Description of electrical components..................................................................................... 171
4.6.1 Control console cabin .............................................................................................................. 172
4.6.2 Acceleration transducer, B62 & B171...................................................................................... 174
4.6.3 Differential pressure switch for hydraulic oil filter, B21............................................................. 175
4.6.4 Air filter vacuum switch, B03.................................................................................................... 175
4.6.5 Sensor, water in fuel, B124...................................................................................................... 176
4.6.6 Float switch coolant tank, B55................................................................................................. 176
4.6.7 Level sensor in diesel tank (R03)............................................................................................. 177
4.6.8 Charge control light.................................................................................................................. 177
4.6.9 Electric module, A108.............................................................................................................. 179
4.7 Training of electric system....................................................................................................... 180
4.7.1 Electrics training machine control............................................................................................ 180
4.7.2 Electrics training metrology control.......................................................................................... 289
4.8 Inspection and maintenance work.......................................................................................... 309
4.8.1 Maintenance Table................................................................................................................... 309
4.8.2 Every 500 operating hours....................................................................................................... 309
4.8.3 As required............................................................................................................................... 310
5 Hydraulic system.............................................................................................................................. 313
5.1 Basic principles......................................................................................................................... 314
5.1.1 Open and closed hydraulic circuit............................................................................................ 315
5.1.2 Swash plate principle, pump.................................................................................................... 317
5.1.3 Swash plate principle, motor.................................................................................................... 318
5.1.4 External gear pumps................................................................................................................ 319
Table of contents
BW 226 BVC-5 / BW 226 DI-5
4
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