Page 499 - Foton Workshop Manual - Auman EST-M
P. 499

Diagnosis - Mechanical fault diagnosis                   DI - 445

              Failure phenomenon list                                                                             IN
                    Failure phenomenon               Possible reason                 Failure elimination
                                                                                                                  DI
                                           1. Vehcile (overloaded)           Follow the rated load

              Body sunken                  2. Spring (no strength)           Replace the plate spring
                                                                                                                  EG
                                           3. Absorber (worn)                Replace the absorber

                                           1. Vehcile (overloaded)           Follow the rated load
                                                                                                                  TR
              Front wheel swinging         2. Spring (no strength)           Replace the plate spring
                                                                                                                  AX
                                           3. Absorber (worn)                Replace the absorber

                                           1. Plate spring broken due to overloaded or  Follow  the  rated  load  and  adjust  the
                                                                                                                  FR
                                           driving at high speed on rough road.   speed

                                           2.  U-bots  loose  or  plate  pin  and
                                                                             Tighten  the  U-bolt  according  to  the   ST
                                           bushing  worn  seriously,  front  wheel
                                                                             specified  torque  when  the  spring  is
                                           positioning  or  left/right  shaft  distance  not
                                                                             pressed flat. Repair or replace the worn
                                           correct.  Braking  off  tracking  or  steering                         BR
                                                                             parts
                                           difficulty
                                                                                                                  BW
              Plate spring broken or noisy   3.  Lack  of  lubrication between leaves and
                                                                             Relubricate or replace the parts
                                           plate spring
                                           4. The declination of various plate elasticity                         EL
                                                                             Check, replace broken leaf or replace the
                                           is  different  or  individual  plate  breaking
                                                                             assembly
                                           causes the body tilting

                                           5. The plate is broken or the absorber fails
                                                                             Replace  the  broken  leaf  or  absorber  or
                                           or the bump stop drops, which impacts the
                                                                             bump stop
                                           stability of vehicle

                                           1.  The  connecting  rod  oil  seal  of  shock
                                                                             Repair or replace the assembly.
                                           absorber is worn.

                                           2. When the vehicle drives on a rough road
                                                                             Dismount  the  absorber  and  check  its
                                           for long time, the absorber cylinder will get
                                                                             performance. If it is not good, replace it
              The absorber leaks or fails   hot
                                           3. The absorber fails             Replace the absorber

                                           4.  The  supporting  rubber  bushing  on  the
                                           absorber is broken and off, which stops the  Replace the broken part
                                           absorber from working normally










                                                          DI-445
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