Page 1143 - Foton Workshop Manual - Auman EST-M
P. 1143

Brake system – service brake (air pressure)                BR-11

                                                                                                                  IN
               Failure phenomenon              Possible reason                     Failure elimination

              Braking is not working  1.Friction lining (with severe abrasionor ablation)   Grind off the scorched layer of brake shoe with
                                                                                                                  DI
              or not adequate                                             the sandpaper,  change the  mounting angle  of

                                                                          the swing arm or adjust the connecting bolt of
                                                                          swing arm and pull rod.                 EG

                                 2.The internal surface of the friction lining or brake  Clean the  oil stain  on the  surfaces  of  the  friction
                                 drum (with oil stain)                    lining and the brake drum with gasoline and remove   TR
                                                                          the oil marks that are immersed in friction lining.

              Braking   cannot   be  1.Spring air chamber (failure) or control line (leaky)                       AX
                                                                          Check and eliminate one by one
              released           or manual valve (failure)
                                                                          Use the exhaust brake of engine to reach the   FR
                                 1. Frequent brake use
                                                                          purpose

                                 2. Driving operation (inappropriate)     Use the brake evenly                    ST

                                 3. The clearance of brake (too small)    Adjust the brake clearance
                                                                                                                  BR
              Breaking weak/braking   4. Brakng drum (deformed)           Polish the brake drum

              drum burning hot
                                 5.  The  return  spring  of  brake  shoe  (loosened,
                                                                          Replace the reset spring                BW
                                 fractured)

                                                                          Remove the brake device, polish the pin shaft
                                                                                                                  EL
                                 6. Front braking shoe (stuck due to rusting)   ofbrake  shoe,  copper  bush,  and  add  proper

                                                                          amout of lithium base grease



























                                                         BR-011
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