NOTES ON FITTING A NEW PIPE OR A SCREW CONNECTION
IMPORTANT: Do not kink, twist or crush lines.
Do not disassemble screw connection!
Fitting new screw connection:
Insert complete new screw connection consisting of toothed ring (1), banjo bolt (2) and assembly plug (3) into air spring/pipe connection of air supply unit.
Tightening torque, see 37 12 3AZ in 37 12 CONTROL AND SUSPENSION SYSTEMS, REAR
Remove assembly plug (3).
Fig. 54: Identifying Banjo Bolt And Assembly Plug
Slide new pipe (1) into banjo bolt (2) up to marking.
Check installation position of pipe (1) by pulling back slightly.
NOTE: The toothed ring (3) has engaged correctly when the pipe (1) cannot be pulled back.
Fig. 55: Identifying Pipe And Banjo Bolt
Fitting new pipes:
IMPORTANT: To avoid leaks in the air spring system, it is essential to avoid scratches on pipes in particular in the connection area!
REMOVING AND INSTALLING/REPLACING PRESSURE LINES FOR OSCILLATING MOTOR/FRONT AXLE
Remove front pressure lines (1) (from oscillating motor to junction I at side in wheel arch).
Remove rear pressure lines (2) (from junction I to valve block).
Fig. 56: Identifying Front And Rear Pressure Lines
REMOVING AND INSTALLING/REPLACING PRESSURE LINES FOR OSCILLATING MOTOR/REAR AXLE
Remove front pressure lines (1) (from valve block to junction I on vehicle underbody).
Remove middle pressure line (2) (from junction I to junction III on vehicle underbody).
Remove rear pressure lines (3) (from junction II on vehicle underbody to oscillating motor).
Fig. 57: Identifying Front, Middle And Rear Pressure Lines