Fayat Group BOMAG BW 202 AD-50 Service Manual page 8

Table of contents
12.2.3 Towing the machine............................................................................................................... 553
12.3 Troubleshooting, electrical systems..................................................................................... 556
12.3.1 Preliminary remarks............................................................................................................... 556
12.3.2 Starting the engine with jump leads....................................................................................... 559
12.3.3 Checking the main battery shutoff.......................................................................................... 560
12.3.4 Fuse assignment.................................................................................................................... 560
12.3.5 Understanding electric circuit diagrams................................................................................. 564
12.3.6 Measuring method................................................................................................................. 577
12.3.7 ESX, checking the electric power supply............................................................................... 581
12.3.8 Diagnostics concept............................................................................................................... 589
12.3.9 Electrics training machine control.......................................................................................... 591
12.4 Trouble shooting, diesel engine............................................................................................ 698
12.4.1 Starting the engine with jump leads....................................................................................... 698
12.4.2 Engine faults.......................................................................................................................... 699
12.5 Trouble shooting, hydraulics................................................................................................. 701
12.5.1 Insufficient hydraulic power.................................................................................................... 701
12.5.2 Trouble shooting axial piston pumps...................................................................................... 704
12.5.3 Trouble shooting axial piston motors..................................................................................... 706
12.5.4 Fault table hydraulic components.......................................................................................... 708
12.6 Trouble shooting, air conditioning system........................................................................... 716
12.6.1 Trouble shooting in refrigerant circuit, basic principles.......................................................... 716
12.6.2 Trouble shooting procedure................................................................................................... 722
12.6.3 Leak test................................................................................................................................. 731
12.6.4 Checking the magnetic clutch ............................................................................................... 732
13 Disposal............................................................................................................................................. 735
13.1 Final shut-down of machine................................................................................................... 736
14 Special tools...................................................................................................................................... 737
14.1 Special tools, electrics........................................................................................................... 738
14.2 Special tools, hydraulic system............................................................................................. 739
14.2.1 Special tools, tests and adjustments...................................................................................... 739
14.2.2 Special tools for flushing........................................................................................................ 741
14.3 Special tools for ADO drum................................................................................................... 742
14.3.1 ADO drum.............................................................................................................................. 742
14.4 List of special tools................................................................................................................. 745
15 Index................................................................................................................................................... 747
Appendix............................................................................................................................................ 761
8
A Circuit diagrams............................................................................................ 763
A.1 Water spraying diagram 921 133 28.......................................................... 763
A.2 Hydraulic diagram 921 125 93................................................................... 765
A.3 Hydraulic diagram 921 130 78................................................................... 767
A.4 Circuit diagram 282................................................................................... 769
A.5 Circuit diagram 486................................................................................... 830
BW 202 AD-50 / BW 206 AD-50 / BW 202 ADO-50
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