Alternator Repair Made Easy

Alternator repair is not very difficult considering the fact that alternators themselves are not very complicated machines. You can do alternator repair yourself or easily find technicians who can fix it for you very quickly. Alternators use either the plug type or the eyelet type terminals and the construction has slightly varied over the years although it can be dealt with.

Disassembling the Alternator

Before starting to dissemble it, you need to take a look at the clock position. You would then need to separate the drive end assembly of the frame from the ring end by removing the 3 through bolts. Remove the shaft nuts and then dissemble the slip ring end frame. After removing the fasteners you can lift out individual components like the regulator and the rectifier bridge.

Repairing the Rectifier

This is one of the most common reasons for alternator repair. You need to connect an ohmmeter at low scale to the terminals of the bridge and if the readings on both sides are same, you need to replace the rectifier.

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.

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