Page 228 - Mechanic Diesel - TT
P. 228

MECHANIC DIESEL - CITS




                                        Troubles and remedies in starting system

                        Fault                            Trouble                          Remedies

            1  Motor not working          Discharged battery                     Recharge the battery
                                          Reduction in battery voltage due to    Replace the battery
                                          deterioration in the battery.
                                          Improper connection of battery terminals.  Check the combination
                                          Loose connection of ground cable.      Do the combination
                                          Fuse failure                           Replace the fuse
                                          Incorrect connection of ignition switch and  Change the magnetic and
                                          magnetic switch.                       ignition switch position
                                          Loosening of load wire coupler         Tight the load wire coupler
                                          Failure of starter motor control relay.  Repair the relay
            2  Motor not running (sound   Commutator burning out                 Replace the commutator
               of magnetic switch being   Weakening of bush spring               Replace the bush assembly
               activated
                                          Interruption of rotation of the crankshaft  Make repairs
                                          Short circuit of armature layers.      Replace the armature
            3  Starting motor operating too   Incorrect key connections of magnetic   Convert the magnetic switch
               slowly                     switch
                                          Short circuit of armature layers       Repair or replace it
                                          Weakening of bush spring.              Replace it
            4  Starting motor operating but   Wear of pinion tip                 Make repairs
               not cranking               Sliding of over-running clutch is not    Repair the over running clutch
                                          correct
                                          Grinding of ring gear teeth            Replace the flywheel
                                          Slipping of over-running clutch        Replace the over running
                                                                                 clutch
            5  Noise generation           Wear of bushes                         Change the bushes
                                          Teeth of ring gear or pinion wear      Convert the  over running
                                                                                 clutch or flywheel


































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                                     CITS : Automotive - Mechanic Diesel - Lesson 62 - 66
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