like 50 2T 1 Manuale-dofficina : Pagina 34

          2. GENERAL INFORMATION                                                     LIKE 50 2T

 FUEL GAUGE
 1. Pointer does not register correctly (Ignition switch ON)

 Inspection/Adjustment                    Symptom                     Probable Cause

 Check battery circuit
 by operating turn
 signals.                                                             Burned out fuse
                                                                      Weak or dead battery
                            Signals operate    Signals dim, remain    Faulty ignition switch
                            properly           on or don`t operate    Loose or disconnected
 Remove fuel unit and                                                 connector
 check operation of                                                   Broken wire harness
 pointer by moving
 float up and down.
                            Pointer does not        Pointer moves     Faulty float
 Check operation of         move
 pointer by opening
 and shorting fuel unit
 terminal on wire
 harness side.
                           Pointer does not         Pointer moves     Broken or shorted fuel
                           move                                       unit wire
 Check connectors for
 proper connection.
                                                                      Loose or disconnected
                                 Good                   Faulty        connector
                                                                      Incorrectly connected
                                                                      connector
                                                                      Broken or shorted wire in
                                                                      fuel gauge
 2. Pointer fluctuates or swings (Ignition switch ON)

 Inspection/Adjustment                    Symptom                     Probable Cause

 Check battery circuit
 by operating turn
 signals and horn.                                                    Burned out fuse
                                                                      Weak or dead battery
                            Signals operate     Signals dim, remain   Faulty ignition switch
                            properly            on or don`t operate   Loose or disconnected
 Remove fuel unit and                                                 connector
 check operation of                                                   Broken wire harness
 pointer by moving
 float up and down.
                            Pointer moves          Pointer does not   Poor contact in fuel unit
                                                   move
 Move float up and
 down rapidly (1 round
 /sec.) to check the
 operation of pointer.
                           Pointer moves in       Pointer does not
                           accordance with        move in accord-     Insufficient damping oil
                           float                  ance with float     in fuel gauge
 Check connectors for
 proper connection.

                                 Good                   Faulty        Loose or disconnected
                                                                      connector
                                                                      Broken or shorted wire in
                                                                      fuel gauge

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