Yes, it is a regulators job to control the power that goes into the battery.
The alternator setup does that very well.
However, It is my understanding that the Breaker setup that is on the generator only serves to disconnect the generator from the battery when the engine is turned off.
When the engine is running, the Breaker closes and the generator charges the battery whether or not charging is needed.
Adjusting the third brush manually fine tunes the amperage output of the generator. This type of charging system can never be totally balanced for correctly maintaining a correct charge on the battery.
In My Opinion...
Dale
Hello akdale,
May I be allowed to ask? Between m006840's thought of the reliance of the original electrical charging system and your thought of the over charging and battery damage, isn't the difference centered on regulation of the battery's level of charge? Generator or Alternator, isn't it the regulator's job?