2. Set the alternator to a clean running stop with the pulley down.
Bosch generator
3. First, carefully loosen the screws. then unhook the latches and remove the plastic cover from the generator (pic. 6.3).
4. Unscrew the two screws securing the brush assembly and remove it from the generator (pic. 6.4).
Alternator Valeo
5. Unscrew the three nuts and remove the plastic cover from the back of the generator (pic. 6.5).
6. Remove two nuts and one screw, carefully remove the brush assembly from the generator.
7. Remove the plastic cover from the brush assembly.
All types
8. Measure the protrusion of the brushes from the holder. If provided, measure from the manufacturer's emblem (A) stamped on the brush from the side to the edge of the work surface (IN) (pic. 6.8). Check the obtained measurements with the data given in Specifications. If at least one brush protrudes less or is damaged, the entire assembly must be replaced.
9. Wipe the slip rings of the excitation winding of the generator rotor with a cloth soaked in gasoline. If the rings are worn, the alternator may need to be replaced.
10. Generator assembly - reverse procedure. Install the generator as described in paragraph 5.
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