225
11. Fault Finding
Trouble Parts Cause Remedy
No charging
Wiring, ammeter Disconnection, short circuit, loosened connection Correct
Alternator
Disconnection of coils, earth short circuit Replace
Defective rectifier Replace
Disconnection of RF resistor Replace
Regulator Defective regulator Replace
Insufficient
charging
Wiring Disconnection, short circuit, loosened connection Correct
Alternator
Loosened alternator belt Correct
Layer short of rotor coil Replace
Layer short of stator coil Replace
Defective rectifier Replace
Insufficient contact of brush, stained slip ring Correct
Regulator Defective regulator Replace
Battery Defective battery Replace
Over charge
Battery Internal short circuit Replace
Regulator Defective regulator Replace
Unstable
charging
current
Wiring Disconnection or breakage of wire Replace
Alternator
Slackened alternator drive belt Replace
Short of rotor coil, breakage of wire Replace
Shortage of stator coil, breakage of wire Replace
Insufficient contact of brush, stained brush and slip
ring
Correct
Broken brush and sprig Replace
Insufficient contact of terminals Correct
Regulator Defective regulator Replace
Abnormal
noise of
alternator
Alternator
Incorrect installation of alternator Correct
Defective bearing Replace
Rotor core and stator core in contact Correct
Defective diode Replace
Short of stator coil Replace