TABLE OF CONTENTS
4
Operating instructions • Semitrailer • 505369471-04 • 02/2019
5.1.4 Putting on the wheel chocks ........................................................................... 25
5.2 Landing leg winches ....................................................................................... 25
5.3 Rear braces .................................................................................................... 27
5.3.1 Rear braces with crank mechanism (rigid) .....................................................27
5.3.2 Rear braces with crank mechanism (folding).................................................. 29
5.3.3 Rear braces without crank mechanism........................................................... 31
5.4 Coupling and uncoupling the trailer ................................................................ 32
5.5 Manoeuvring the trailer without a connected compressed air supply ............. 34
5.6 Supply and control connections...................................................................... 35
5.7 Draining the compressed air tanks ................................................................. 37
5.8 Brake system .................................................................................................. 38
5.8.1 Service brake.................................................................................................. 40
5.8.2 Parking brake.................................................................................................. 40
5.8.3 Emergency release devices for the parking brake.......................................... 41
5.9 Air suspension ................................................................................................ 43
5.10 Lift axles..........................................................................................................45
5.11 Rigid axle ........................................................................................................ 46
5.12 Self-steering axle ............................................................................................ 46
5.12.1 Automatically locking the self-steering axle via the back-up interlock ............ 47
5.12.2 Manually locking the self-steering axle ........................................................... 47
5.13 Step-on devices .............................................................................................. 48
5.13.1 Hand strap ...................................................................................................... 48
5.13.2 Aluminium ladder ............................................................................................ 48
5.13.3 Folding telescopic ladder ................................................................................ 49
5.13.4 Fold-down steps .............................................................................................50
5.14 Rear underrun protection................................................................................ 50
5.14.1 Fold-up rear underrun protection .................................................................... 50
5.14.2 Rear underrun protection that swivels on both sides...................................... 51
5.15 Side collision protection .................................................................................. 52
5.15.1 Folding side collision protection with gas pressure springs ............................ 53
5.15.2 Folding side collision protection with lock ....................................................... 53
5.15.3 Swivelling side collision protection with lock................................................... 54
5.16 Rear stacker bracket....................................................................................... 55
5.17 Mud flap .......................................................................................................... 56
5.18 Spare wheel bracket ....................................................................................... 56
5.18.1 Spare wheel with basket storage.................................................................... 57
5.18.2 Spare wheel with winch .................................................................................. 57
5.18.3 Spare wheel in the pallet storage box............................................................. 58
5.18.4 Changing the spare wheel .............................................................................. 58
5.19 Storage box ....................................................................................................59
5.20 Pallet storage box ........................................................................................... 60
5.21 Depots ............................................................................................................61