Page 37 - BPW axles with air suspension Series O SL AL
P. 37

Assembly instructions for clamped axle connections                         7.3


                                                              G Geenneerraall
          Maintenance-free axle connection with               Since the end of 1992 BPW has been supplying air
          Airlight II air suspension systems.                 suspension systems with a clamped axle connec-
                                                              tion. The spring seats are centred by a square ring
          Disassembly of axle connection will                 welded onto the axle beam.
          invalidate warranty claims.
                                                              This axle connection permits the use of different
                                                              spring and shock absorber attachments.




                                                              S Seerriieess  aasssseemmbbllyy

                                                              The positive axle connections are assembled in se-
                                                              ries production in an assembly fixture. The axle is
                                                              held on the outside diameter of the hub flanges.
                                                              The two trailing arms are mounted at the trailing
                                                              arm rolled end with bolts Ø 30 (∅ 24 for Airlight II
                                                              air suspension units from build year 9/2007 on-
                                                              wards) in the assembly fixture at the exact length of
                                                              the axle centre, the same height and exact spring
                                                              centre.
                                                              It must be possible to adjust the holding points of
                                                              the fixture to suit different track widths, spring cen-
                                                              tres and trailing arm lengths.
                                                                                 Direction of rotation of wheel

                                                                                        Brake activation









                                                                                     Direction of rotation of wheel
                                                                                     = Brake activation
                                                                                    DIRECTION OF TRAVEL
                                                              R Reemmaarrkkss::

                                                              The direction of rotation of the wheel must corre-
                                                              spond to the direction of activation of the slack
                                                              adjuster.
                                                              In disc-braked axles, make sure there  is  sufficient
                                                              clearance for the brake cylinders and brake callipers
                                                              (take account of the change due to brake pad
                                                              wear!)
                                                              The BPW warranties for new, externally assembled
                          Centring aid for
                          lightweight hubs (page 35)          SL air suspension systems are only valid if the BPW
                                                              installation instructions and the installation manual
                                                              are observed.






           BPW-EA-Luft 1023701e                                                                            37
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