Page 2212 - Foton Workshop Manual - Tunland (AT)
P. 2212

71-10                         WIRING - INTRODUCTION TO CIRCUITS

           SYMBOLS OF ELECTRICAL COMPONENTS



                                                                 Battery
                                                                   It stores the chemical energy and
                                                                   converts it into the required electric
                                                                   energy for the vehicle's electric
                                                                   equipment.



                                                                 Earthing (grounding)
                                                                   The negative cable of the electric
                                                                   equipment lies on the metal parts such
                                                                   as the frame, with the vehicle's metal
                                                                   body as a common path. This way of
                                                                   connecting negative cable to the vehi-
                                                                   cle is called earthing (grounding).
      71
                                                                 Fusible link (fuse)
                                                                   In high power circuit (or circuit of cer-
                                                                   tain electric equipment), when the
                                                                   current exceeds the rated load, the
                                                                   fuse blows spontaneously and the
                                                                   current will be cut off, so to keep the
                                                                   circuit operating safely.



                                                                 Induction coil
                                                                   When the magnetic field fluctuates (or
                                                                   being divided), the coil circuit will
                                                                   generate induced electromotive force.




                                                                 Solenoid valve
                                                                   The current that flows the magnetic
                                                                   coil will form an electromagnetic field,
                                                                   which can be used to control the oper-
                                                                   ation of the parts.





                                                                 Lamps
                                                                   It is a lighting equipment, as the cur-
                                                                   rent flows through, the filament is
                                                                   heated up and the lamp glows.













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