Fayat Group BOMAG BC 672 RB-4 Service Manual page 6

Table of contents
6.2.2 Repairing the oscillating articulated joint.................................................................................. 494
6.2.3 Inspection and maintenance work............................................................................................ 496
6.3 Compactor wheels and dozer blade........................................................................................ 497
6.3.1 Maintenance Table................................................................................................................... 497
6.3.2 Checks prior to start up............................................................................................................ 497
6.3.3 Every 500 operating hours....................................................................................................... 498
6.3.4 As required............................................................................................................................... 499
6.4 Central lubrication system....................................................................................................... 506
6.4.1 Overview central lubrication system......................................................................................... 507
6.4.2 Technical description................................................................................................................ 507
6.4.3 Control board........................................................................................................................... 509
6.4.4 Lubrication process.................................................................................................................. 516
6.4.5 Progressive distributor............................................................................................................. 517
6.4.6 Lubrication oil pump................................................................................................................. 520
6.4.7 Inspection and maintenance work............................................................................................ 524
6.5 Automatic air conditioning....................................................................................................... 527
6.5.1 Overview of air conditioning system......................................................................................... 527
6.5.2 Physical principles.................................................................................................................... 528
6.5.3 Refrigerant R134a.................................................................................................................... 530
6.5.4 Compressor oil / refrigeration oil.............................................................................................. 533
6.5.5 Working principle of the air conditioning system...................................................................... 535
6.5.6 Monitoring devices................................................................................................................... 535
6.5.7 Description of components....................................................................................................... 536
6.5.8 Climatronic control................................................................................................................... 542
6.5.9 Compressor.............................................................................................................................. 546
6.5.10 Emptying in case of repair...................................................................................................... 548
6.5.11 Drying and evacuation............................................................................................................ 549
6.5.12 Filling instructions................................................................................................................... 549
6.5.13 Steam table for R134a........................................................................................................... 553
6.5.14 Inspection and maintenance work.......................................................................................... 557
6.6 Auxiliary heating, AIRTRONIC................................................................................................. 566
6.6.1 Description of function.............................................................................................................. 566
6.6.2 Fuse assignment...................................................................................................................... 569
6.6.3 Control panel............................................................................................................................ 569
6.6.4 Inspection and maintenance work............................................................................................ 571
7 Troubleshooting................................................................................................................................ 575
7.1 Preliminary remarks.................................................................................................................. 576
7.2 Emergency procedures............................................................................................................ 577
7.2.1 Actuating the emergency stop switch....................................................................................... 577
7.2.2 Emergency exit........................................................................................................................ 577
7.2.3 Disconnecting the battery......................................................................................................... 577
7.2.4 Towing the machine................................................................................................................. 577
7.2.5 After towing.............................................................................................................................. 580
7.3 Troubleshooting, electrical systems....................................................................................... 582
7.3.1 Preliminary remarks................................................................................................................. 582
7.3.2 Starting the engine with jump leads......................................................................................... 585
6 BC 672 RB-4 / BC 772 RB-4 / BC 772 RS-4 / BC 772 EB-4
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