Powerlink A713VS - Alternator Troubleshooting

7.5 Alternator Troubleshooting
Trouble
Causes
Remedies
1.Windingiscut.
1.Intertwistthecutwindingandweld
rmly.
2.Wiringterminalisloose.2.Tightenthewiringterminal.
3.Wiringterminalisdefective.
3.Cleanorreplacethedefective
terminal.
Novoltageorvoltageisinsufcient
whilerunning
4.Speedistoolow.
4.Adjustthespeedandkeeptherated
speed.
1.Speedisunstable.1.Keeptheratedspeed.
Voltageisunstable
2.AVRisdefective.2.CheckAVR,andchangeifnecessary.
1.Overloadrunning.1.Reduceload.
Alternatoroverheats
2.Vent-pipeinsidethealternatoris
clogged.
2.Blowandcleantheinner.
1.Speedistoohigh.1.Keeptheratedspeed.
Voltageistoohigh
2.AVRisdefective.2.CheckAVR,andchangeifnecessary.
1.Speedistoolow.1.Keeptheratedspeed.
Voltageistoolowwhilerunning
withoutload
2.AVRisdefective.
2.CheckAVR,andchangeifnecessary
.
1.Speedsettingisincorrect.1.Checkandadjustthespeed.
2.Shortcircuitontherotor.2.Checkresistanceofthecircuit.
Voltageiscorrectwithoutload,but
toolowunderload
3.Armatureofexcitationisdefective.3.Checkresistanceofthecircuit.
1.Windingofmagneticeldiscut.
1.Checkthecutwinding,intertwistand
weldrmly.
2.Rotorofexcitationisdefective.
2.Checkrotor,repairitandchangeif
necessary.
Voltagedisappearswhilerunning
3.AVRisdefective.3.CheckAVR,andchangeifnecessary.
CHAPTER 7 — TROUBLESHOOTING
52