Page 37 - KNORR Pneumatic Disc Brake
P. 37

8



                                                                                    Caliper Replacement



         8     Caliper Replacement

         For ease of reference, each component of a tool is referred
         to by an identification number e.g. (T28); a complete tool   Tool to press in
         (containing one or more such components) has been given    cover (68a)
         a letter code e.g. (E) - see section 2.1.                      T11             Press-in tool for
                                                                                         cover (68c)
                                                                                           T27       Press-in tool for
                                                                                                       cover (10)
                                                                Tool to press in
         8.0.   To replace the cover (10) use the press-in tool (H),   cover (68d)                       T26
         for cover (68a) use press-in tool (T11), for cover (68c) use   T08
         press-in tool (M) and for cover (68d) tool (T08) is required
         (see Fig.).




         8.1  Removal of Caliper from Carrier
                                                                                (K)        (M)            (H)
         8.1.1.  Remove the brake pads (12) (see Section 6.1).
                                                                           8.0 - Press-in tools for cap and covers
         8.1.2.  Remove brake actuator (see Section 12). If fitted,
         remove wear indicator cable and potentiometer.
               Do not touch electrical contact points - possible
               static discharge!



         Note:  It may be necessary for reasons of accessibility
         to remove the caliper and carrier from the axle (refer to             10                       10
         vehicle manufacturer’s recommendations) or remove only
         the caliper.



         Removal of Cover (10)

         8.1.3.  Use a suitable tool (e.g a chisel) to penetrate the
         cover (10) creating a hole to allow easy removal (see Fig.).
         Note:  during penetration the cover (10) may move
         approximately 10 mm inwards                                 8.1.3 - Penetrate cover in the centre using suitable tool
               Cover (10) should be penetrated in the middle. Do
               not drive the tool between caliper bore and cover
               (10) since caliper bore may be damaged.


                                                                                              10

         8.1.4.  Remove  cover  (10)  using  a  suitable  tool  (e.g
         a  screwdriver)  by inserting  it  into  the created  hole  and
         levering it out.
         Check the inside area of the bearing for dirt or corrosion.
         If necessary replace with a new guide and seal kit. In case
         of damage or excessive corrosion, the caliper must be
         replaced.




                                                                          8.1.4 - Remove cover using suitable tool



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