subject: Alternator Repair In Brief [print this page] You would also want to clean out the brush holder or probably replace the brush assembly if the brushes are damaged. The slip rings too should be cleaned by spinning the rotor with the hand. You must use a find cloth to get proper cleaning done. You would need to solder the connectors and also put the brush holder back in. An alternator which is an A/C generator can charge better even at lower RPMs which is why they are preferred over DC generators. In a vehicle, an alternator problem could be diagnosed through some standard procedures although you must be careful as the symptoms could as well be pointing to a bad battery or bad started. By disconnecting the battery cable you can replace the alternator in a vehicle too.
