Fayat Group BOMAG BW 226 BVC-5 Service Manual page 7

7.2.2 Disconnecting the battery......................................................................................................... 657
7.2.3 Emergency exit........................................................................................................................ 657
7.2.4 Towing the machine................................................................................................................. 658
7.2.5 After towing.............................................................................................................................. 660
7.3 Troubleshooting, electrical systems....................................................................................... 663
7.3.1 Preliminary remarks................................................................................................................. 663
7.3.2 Starting the engine with jump leads......................................................................................... 666
7.3.3 Servicing the battery, checking the main battery isolation....................................................... 667
7.3.4 Fuse assignment...................................................................................................................... 668
7.3.5 ESX, checking the electric power supply................................................................................. 670
7.3.6 Diagnostics concept................................................................................................................. 678
7.4 Trouble shooting, diesel engine.............................................................................................. 681
7.4.1 Starting the engine with jump leads......................................................................................... 681
7.4.2 Engine malfunctions................................................................................................................. 682
7.4.3 DTC fault code list, EMR4........................................................................................................ 684
7.5 Trouble shooting, hydraulics................................................................................................... 744
7.5.1 Insufficient hydraulic power...................................................................................................... 744
7.5.2 Trouble shooting axial piston pumps........................................................................................ 747
7.5.3 Trouble shooting axial piston motors....................................................................................... 749
7.5.4 Fault table hydraulic components............................................................................................ 751
7.6 Troubleshooting, air conditioning system.............................................................................. 759
7.6.1 Trouble shooting in refrigerant circuit, basic principles............................................................ 759
7.6.2 Trouble shooting procedure..................................................................................................... 765
7.6.3 Leak test................................................................................................................................... 774
7.6.4 Checking the magnetic clutch ................................................................................................. 775
7.7 Troubleshooting, auxiliary heating.......................................................................................... 777
7.7.1 Control and safety elements.................................................................................................... 779
7.7.2 Trouble shooting...................................................................................................................... 779
7.7.3 Diagnostics with the module clock........................................................................................... 781
7.7.4 Check the fuel supply............................................................................................................... 785
7.7.5 Circuit diagram, AIRTRONIC D2/D4........................................................................................ 787
7.7.6 Fault code, AIRTRONIC D2/D4............................................................................................... 791
8 Special tools...................................................................................................................................... 797
8.1 Special tools, electrics............................................................................................................. 798
8.2 Special tools, hydraulic system............................................................................................... 799
8.2.1 Special tools, tests and adjustments........................................................................................ 799
8.2.2 Special tools for flushing.......................................................................................................... 801
8.3 Special tools for drum.............................................................................................................. 802
8.4 List of special tools................................................................................................................... 808
9 Index................................................................................................................................................... 809
Appendix............................................................................................................................................ 825
A Circuit diagrams............................................................................................ 827
A.1 Circuit diagram 354................................................................................... 827
A.2 Circuit diagram 520................................................................................... 913
A.3 Hydraulic diagram 480............................................................................. 1009
BW 226 BVC-5 / BW 226 DI-5
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