Fayat Group BOMAG BC 473 RB-4 Service Manual page 6

Table of contents
6.5.10 Emptying in case of repair...................................................................................................... 452
6.5.11 Drying and evacuation............................................................................................................ 453
6.5.12 Filling instructions................................................................................................................... 453
6.5.13 Steam table for R134a........................................................................................................... 457
6.5.14 Inspection and maintenance work.......................................................................................... 461
6.6 Auxiliary heating, AIRTRONIC................................................................................................. 469
6.6.1 Description of function.............................................................................................................. 469
6.6.2 Fuse assignment...................................................................................................................... 472
6.6.3 Control panel............................................................................................................................ 472
6.6.4 Inspection and maintenance work............................................................................................ 474
7 Troubleshooting................................................................................................................................ 477
7.1 Preliminary remarks.................................................................................................................. 479
7.2 Emergency procedures............................................................................................................ 480
7.2.1 Actuating the emergency stop switch....................................................................................... 480
7.2.2 Emergency exit........................................................................................................................ 480
7.2.3 Disconnect the battery............................................................................................................. 480
7.2.4 Towing the machine................................................................................................................. 480
7.2.5 After towing.............................................................................................................................. 483
7.3 Troubleshooting, electrical systems....................................................................................... 485
7.3.1 Preliminary remarks................................................................................................................. 485
7.3.2 Starting the engine with jump leads......................................................................................... 488
7.3.3 Checking the main battery switch............................................................................................ 489
7.3.4 Fuse assignment...................................................................................................................... 489
7.3.5 ESX, checking the electric power supply................................................................................. 492
7.3.6 Diagnostics concept................................................................................................................. 500
7.4 Trouble shooting, diesel engine.............................................................................................. 503
7.4.1 Fault - Cause - Remedy........................................................................................................... 503
7.4.2 Starting the engine with jump leads......................................................................................... 506
7.4.3 Operating the engine emergency mode................................................................................... 506
7.4.4 Behaviour of the engine control in case of malfunctions.......................................................... 508
7.4.5 SCR warnings and operation limitations.................................................................................. 510
7.4.6 Fault code control units............................................................................................................ 515
7.5 Trouble shooting, hydraulics................................................................................................... 554
7.5.1 Emergency operation of hood.................................................................................................. 554
7.5.2 Insufficient hydraulic power...................................................................................................... 557
7.5.3 Troubleshooting axial piston pumps......................................................................................... 560
7.5.4 Troubleshooting axial piston motors........................................................................................ 562
7.5.5 Troubleshooting table for hydraulic components..................................................................... 564
7.6 Troubleshooting, air conditioning system.............................................................................. 572
7.6.1 Trouble shooting in refrigerant circuit, basic principles............................................................ 572
7.6.2 Trouble shooting procedure..................................................................................................... 578
7.6.3 Leak test................................................................................................................................... 587
7.6.4 Checking the magnetic clutch ................................................................................................. 588
7.7 Troubleshooting, central lubrication system......................................................................... 590
7.7.1 Function control........................................................................................................................ 590
7.7.2 Faults and causes.................................................................................................................... 592
6 BC 473 RB-4 / BC 473 RS-4 / BC 473 EB-4
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