Extraction
1. There is no need to remove the alternator to replace the brushes.
2. Disconnect the wire to the ground of the generator.
3. From the rear cover of the generator, unscrew the two bolts 1 securing the voltage regulator, and then remove it (photo 4.3 and 4.5).
4. The length of the new brush is 13mm, while the allowable minimum length of the old brush is 5mm.
5. If necessary, unsolder the braided wire 4 and replace the brushes (pic. 4.5).
Pic. 4.5. Bosch alternator voltage regulator
1 - voltage regulator; 2 - guide brush; 3 - springs; 4 - brush wires; 5 - carbon brushes.
Insert springs 3 and new brushes 5 into brush guides 2. Solder wire ends 4.
6. After installing new brushes, you need to check if they move easily in the guides.
7. Insert and screw the voltage regulator to the back cover.
8. Connect the wire to ground to the battery.
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