Page 54 - KNORR Pneumatic Disc Brake
P. 54

12



        Brake Actuator Replacement






        12.2.4. Attach brake chamber using new nuts (see Fig.).
        In order not to tilt the brake chamber during its                            18
        attachment, the nuts must be gradually tightened symmet-
        rically with a suitable tool.


        12.2.5. Then tighten the nuts according to the specifica-
        tions of the actuator manufacturer



        12.2.6. Connect air hose, making sure that the hose is not
        twisted and chafing is not possible.


        12.2.7. Check air connection for leakage.

                                                                             12.2.4 - Attach brake chamber

              Check function and effectiveness of the service
              brake system.





        12.3  Removal of Knorr-Bremse Spring Brake


              Chock wheels before releasing spring brake to
              ensure the vehicle cannot roll away.
        12.3.1. Release parking brake.

                                                                                                        D
        12.3.2. Screw-out  release  bolt  (arrow  D)  to  the  release
        position (refer to the vehicle manufacturer’s recommenda-
        tions) (see Fig.).
                                                                             12.3.2 - Screw out release bolt

        12.3.3. Apply parking brake.


        12.3.4. Disconnect air connections from spring brake (18)                   18
        – take care, air connections must be free of air pressure.


        12.3.5. Unscrew spring brake mounting nuts (see arrows)
        and remove the spring brake (18) (see Fig.).



              It is not allowed to reuse the nuts of the spring
              brake (18).







                                                                        12.3.5 - Knorr-Bremse spring brake removal



                                                            54
   49   50   51   52   53   54   55   56